Heavy fermion material: Ce versus Yb case (2009)
Heavy fermion compounds are complex systems but excellent materials to study quantum criticality with the switch of different ground states. Here a special attention is given on the interplay between...
Observation of the J-sheet of the Fermi surface of YbRh2Si2 (2009)
Sutton, A. B., Rourke, P. M. C., Taufour, V., McCollam, A., Lapertot, G., Knebel, G., ...
We report a previously unobserved quantum oscillation frequency in YbRh2Si2. This is the first quantum oscillation that can definitely be assigned to the larger of the two major sheets of the Fermi...
Quantum criticality of Ce$_{1-x}$La$_{x}$Ru$_{2}$Si$_{2}$ : the magnetically ordered phase (2009)
Raymond, S., Knafo, W., Flouquet, J., Bourdarot, F., Lejay, P.
We report specific heat and neutron scattering experiments performed on the system Ce$_{1-x}$La$_{x}$Ru$_{2}$Si$_{2}$ on the magnetic side of its quantum critical phase diagram. The Kondo temperature...
Suppression of hidden order in URu2Si2 under pressure and restoration in magnetic field (2009)
Hassinger, E, Aoki, D, Bourdarot, F, Knebel, G, Taufour, V, Raymond, S, ...
We describe here recent inelastic neutron scattering experiments on the heavy fermion compound URu2Si2 realized in order to clarify the nature of the hidden order (HO) phase which occurs below T_0 =...
Pressure-phase diagram of UCoGe by ac-susceptibility and resistivity measurements (2009)
Hassinger, E., Aoki, D., Knebel, G., Flouquet, J.
UCoGe is one of the few compounds showing the coexistence of ferromagnetism and superconductivity at ambient pressure. With T_Curie = 3 K and T_SC = 0.6 K it is near a quantum phase transition; the...
Evolution of the spin resonance in CeCoIn$_5$ under magnetic field (2009)
Panarin, J., Raymond, S., Lapertot, G., Flouquet, J.
The evolution of the magnetic excitation spectrum of the unconventional superconductor CeCoIn$_{5}$ was studied by inelastic neutron scattering as a function of magnetic field applied in the [1, -1,...
Mass Enhancement and Reentrant Ground State in Magnetic Field (2009)
Miyake, A., Aoki, D., Knebel, G., Taufour, V., Flouquet, J.
Three different cases of magnetic field reentrant ground states in heavy fermion systems, URhGe, UGe$_2$ and CeRhIn$_5$ recently studied in Grenoble, are discussed. URhGe is a ferromagnetic...
Nodeless spin triplet superconducting gap in Sr2RuO4 (2008)
Suderow, H., Crespo, V., Guillamon, I., Vieira, S., Servant, F., Lejay, P., ...
We report on tunneling spectroscopy measurements using a Scanning Tunneling Microscope (STM) on the spin triplet superconductor Sr2RuO4. We find a negligible density of states close to the Fermi...
On the destruction of the hidden order in URu$_2$Si$_2$ by a strong magnetic field (2008)
Levallois, J., Behnia, K., Flouquet, J., Lejay, P., Proust, C.
We present a study of transport properties of the heavy fermion URu$_2$Si$_2$ in pulsed magnetic field. The large Nernst response of the hidden order state is found to be suppressed when the magnetic...
Transport anomalies across the quantum limit in semimetallic Bi$_{0.96}$Sb$_{0.04}$ (2008)
Banerjee, A., Fauque, B., Izawa, K., Miyake, A., Sheikin, I., Flouquet, J., ...
We report on a study of electronic transport in semi-metallic Bi$_{0.96}$Sb$_{0.04}$. At zero field, the system is a very dilute Fermi liquid displaying a T$^{2}$ resistivity with an enhanced...
Magnetic-Field Dependence of the YbRh2Si2 Fermi Surface (2008)
Rourke, P. M. C., McCollam, A., Lapertot, G., Knebel, G., Flouquet, J., Julian, S. R.
Magnetic-field-induced changes of the Fermi surface play a central role in theories of the exotic quantum criticality of YbRh2Si2. We have carried out de Haas-van Alphen measurements in the...
The high-field Fermi surface of YbRh2Si2 (2008)
Rourke, P. M. C., McCollam, A., Lapertot, G., Knebel, G., Flouquet, J., Julian, S. R.
We present quantum oscillation measurements of YbRh2Si2 at magnetic fields above the Kondo-suppression scale H0 ~ 10 T. Comparison with electronic structure calculations is complicated because the...
Koutroulakis, G., Mitrović, V. F., Horvatić, M., Berthier, C., Lapertot, G., Flouquet, J.
We report $^{115}$In nuclear magnetic resonance (NMR) measurements in CeCoIn$_5$ at low temperature ($T \approx 70$ mK) as a function of magnetic field ($H_0$) from 2 T to 13.5 T applied...
Mitrović, V. F., Koutroulakis, G., Klanjšek, M., Horvatić, M., Berthier, C., Lapertot, G., ...
The study of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state has been of considerable recent interest. Below the temperature $T^*$ which is believed to be the transition temperature ($T$) to the...
A signature of hidden order in URu2Si2 : the excitation at the wavevector Q0 = (100) (2008)
Villaume, A., Bourdarot, F., Hassinger, E., Raymond, S., Taufour, V., Aoki, D., ...
Simultaneous neutron-scattering and thermal expansion measurements on the heavy-fermion superconductor URu2Si2 under hydrostatic pressure of 0.67 GPa have been performed in order to detect the...
The Fermi surface and f-valence electron count of UPt3 (2008)
McMullan, G. J., Rourke, P. M. C., Norman, M. R., Huxley, A. D., Doiron-Leyraud, N., Flouquet, J., ...
Combining old and new de Haas-van Alphen (dHvA) and magnetoresistance data, we arrive at a detailed picture of the Fermi surface of the heavy fermion superconductor UPt3. Our work was partially...
Ambient-pressure thermodynamic measurements on UGe§2. (2008)
Hardy, F., Meingast, C., Löhneysen, H.von, Flouquet, J., Huxley, A., Lashley, J., ...
72.Jahrestagung der Deutschen Physikalischen Gesellschaft und DPG Frühjahrstagung des Arbeitskreises Festkörperphysik, Fachverband Tiefe Temperaturen, Berlin, 25.-29.Februar 2008
Skutterudite Results Shed Light on Heavy Fermion Physics (2007)
Hassinger, E., Derr, J., Levallois, J., Aoki, D., Behnia, K., Bourdarot, F., ...
Only few selected examples among the great diversity of anomalous rare earth skutterudite are reviewed. Focus is first given on PrFe4P12 in comparison with URu2Si2. For PrFe4P12, great progress has...
Phase Diagram of CeCoIn_5 in the Vicinity of H_{c2} as Determined by NMR (2007)
Mitrović, V. F., Koutroulakis, G., Horvatić, M., Berthier, C., Lapertot, G., ...
We report ^{115}In nuclear magnetic resonance (NMR) measurements in the heavy-fermion superconductor CeCoIn_5 as a function of temperature in different magnetic fields applied parallel to the $(\hat...
Collapse of antiferromagnetism in CeRh2Si2 : volume versus entropy (2007)
Villaume, A., Aoki, D., Haga, Y., Knebel, G., Boursier, R., Flouquet, J.
The thermal expansion of the heavy fermion compound CeRh2Si2 has been measured under pressure as a function of temperature using strain gages. A large anomaly associated to the Neel temperature has...
ESR of YbRh2Si2 and 174YbRh2Si2 : local and itinerant properties (2007)
Wykhoff, J., Sichelschmidt, J., Lapertot, G., Knebel, G., Flouquet, J., Fazlishanov, I. I., ...
Below the Kondo temperature the heavy Fermion compound YbRh$_{2}$Si$_{2}$ shows a well defined Electron Spin Resonance (ESR) with local Yb$^{3+}$ properties. We report a detailed analysis of the ESR...
Thermoelectric response near a quantum critical point: the case of CeCoIn5 (2007)
Izawa, K., Behnia, K., Matsuda, Y., Shishido, H., Settai, R., Onuki, Y., ...
We present a study of thermoelectric coefficients in CeCoIn_5 down to 0.1 K and up to 16 T in order to probe the thermoelectric signatures of quantum criticality. In the vicinity of the field-induced...
Magnetic structure of CeRhIn$_{5}$ under magnetic field (2007)
Raymond, S., Ressouche, E., Knebel, G., Aoki, D., Flouquet, J.
The magnetically ordered ground state of CeRhIn$_{5}$ at ambient pressure and zero magnetic field is an incomensurate helicoidal phase with the propagation vector $\bf{k}$=(1/2, 1/2, 0.298) and the...
Braithwaite, D., Lapertot, G., Bordet, P., Sugawara, H., ...
A thorough characterization of many samples of the filled skutterudite compound PrOs4Sb12 is provided. We find that the double superconducting transition in the specific heat Tc1~1.89K and Tc2~1.72K...
Capan, C., Behnia, K., Hinderer, J., Jansen, A. G. M., Lang, W., Marcenat, Ch., ...
We present a study of Nernst effect in underdoped $La_{2-x}Sr_xCuO_4$ in magnetic fields as high as 28T. At high fields, a sizeable Nernst signal was found to persist in presence of a field-induced...
On the local and itinerant properties of the ESR in YbRh2Si2 (2007)
Wykhoff, J., Sichelschmidt, J., Lapertot, G., Knebel, G., Flouquet, J., Fazlishanov, I. I., ...
Further analysis of the quantum critical point of Ce§1§-§xLa§xRu§2Si§2. (2007)
Raymond, S., Knafo, W., Flouquet, J., Lejay, P.
Journal of Low Temperature Physics, 147(2007) S.215-30
Raymond, S., Rueff, J. P., D'Astuto, M., Braithwaite, D., Krisch, M., Flouquet, J.
The phonon dispersion curve of SmS under pressure was studied by inelastic x-ray scattering around the pressure-induced valence transition. A significant softening of the longitudinal acoustic modes...
Raymond, S., Regnault, L. P., Flouquet, J., Wildes, A., Lejay, P.
Inelastic neutron scattering experiments performed on a single crystal of the antiferromagnetic compound Ce$_{0.87}$La$_{0.13}$Ru$_{2}$Si$_{2}$ under applied pressures of up to 5 kbar are reported. A...
Further analysis of the quantum critical point of Ce$_{1-x}$La$_{x}$Ru$_{2}$Si$_{2}$ (2006)
Raymond, S., Knafo, W., Flouquet, J., Lejay, P.
New data on the spin dynamics and the magnetic order of Ce$_{1-x}$La$_{x}$Ru$_{2}$Si$_{2}$ are presented. The importance of the Kondo effect at the quantum critical point of this system is emphasized...
Unconventional resistivity at the border of metallic antiferromagnetism in NiS2 (2006)
Niklowitz, P. G., Steiner, M. J., Lonzarich, G. G., Braithwaite, D., Knebel, G., Flouquet, J., ...
We report low-temperature and high-pressure measurements of the electrical resistivity \rho(T) of the antiferromagnetic compound NiS_2 in its high-pressure metallic state. The form of \rho(T)...
Interplay between different states in heavy fermion physics (2006)
Knebel, G., Izawa, K., Bourdarot, F., Hassinger, E., Salce, B., Aoki, D., ...
Calorimetry experiments under high pressure were used to clarify the interplay between different states such as superconductivity and antiferromagnetism in CeRhIn5, spin density wave and large moment...
Observation of Spin Susceptibility Enhancement in the Possible FFLO State in CeCoIn$_5$ (2006)
Mitrovic, V. F., Horvatic, M., Berthier, C., Knebel, G., Lapertot, G., Flouquet, J.
We report $^{115}$In nuclear magnetic resonance (NMR) measurements of the heavy-fermion superconductor CeCoIn$_5$ in the vicinity of the superconducting critical field $H_{c2}$ for a magnetic field...
Evidence for a new magnetic field scale in CeCoIn5 (2006)
Sheikin, I., Jin, H., Bel, R., Behnia, K., Proust, C., Flouquet, J., ...
The Nernst coefficient of CeCoIn5 displays two distinct anomalies in magnetic field. The feature detected at H-K similar to 23 T is similar to what is observed in CeRu2Si2 at H-m=7.8 T where a...
Magnetism and superconductivity of heavy fermion matter (2006)
Flouquet, J., Knebel, G., Braithwaite, D., Aoki, D., Brison, J. P., Hardy, F., ...
The interplay of magnetism and unconventional superconductivity (d singlet wave or p triplet wave) in a strongly correlated electronic system (SCES) is discussed with recent examples found in heavy...
Knebel, G., Boursier, R., Hassinger, E., Lapertot, G., Niklowitz, P. G., Pourret, A., ...
We present detailed measurements of the electrical resistivity and microcalorimetry under magnetic field and high pressure which confirm the proximity of YbRh2Si2 to a quantum critical point at...
Mitrović, V. F., Horvatić, M., Berthier, C., Knebel, G., Lapertot, G., Flouquet, J.
We report In-115 nuclear magnetic resonance measurements of the heavy-fermion superconductor CeCoIn5 in the vicinity of the superconducting critical field H-c2 for a magnetic field applied...
Knebel, G., Aoki, D., Braithwaite, D., Salce, B., Flouquet, J.
We report on detailed ac calorimetry measurements under high pressure and magnetic field of CeRhIn5. Under hydrostatic pressure the antiferromagnetic order vanishes near p_c*=2 GPa due to a first...
Valence and magnetic ordering in intermediate valence compounds : TmSe versus SmB6 (2005)
Derr, J., Knebel, G., Lapertot, G., Salce, B., Measson, M-A., Flouquet, J.
The intermediate valent systems TmSe and SmB6 have been investigated up to 16 and 18 GPa by ac microcalorimetry with a pressure (p) tuning realized in situ at low temperature. For TmSe, the...
Valence and magnetic instabilities in Sm compounds at high pressures (2005)
Barla, A., Derr, J., Salce, B., Lapertot, G., Flouquet, J., ...
We report on the study of the response to high pressures of the electronic and magnetic properties of several Sm-based compounds, which span at ambient pressure the whole range of stable charge...
Probing the extended non-Fermi liquid regimes of MnSi and Fe (2005)
Pedrazzini, P., Jaccard, D., Lapertot, G., Flouquet, J., Inada, Y., Kohara, H., ...
Recent studies show that the non-Fermi liquid (NFL) behavior of MnSi and Fe spans over an unexpectedly broad pressure range, between the critical pressure p_c and around 2p_c. In order to determine...
Field-induced non-Fermi-liquid resistivity of stoichiometric YbAgGe single crystals (2005)
Niklowitz, P. G., Knebel, G., Flouquet, J., Bud'ko, S. L., Canfield, P. C.
We have investigated hexagonal YbAgGe down to 70 mK by measuring the magnetic-field and temperature dependence of the resistivity rho of single crystals in fields up to 14 T. Our results extend the...
Evidence for a new magnetic field scale in CeCoIn5 (2005)
Sheikin, I., Jin, H., Bel, R., Behnia, K., Proust, C., Flouquet, J., ...
The Nernst coefficient of CeCoIn5 displays a distinct anomaly at H_K ~ 23 T. This feature is reminiscent of what is observed at 7.8 T in CeRu2Si2, a well-established case of metamagnetic transition....
Magnetism and superconductivity of heavy fermion matter (2005)
Flouquet, J., Knebel, G., Braithwaite, D., Aoki, D., Brison, J. P., Hardy, F., ...
The interplay of magnetism and unconventional superconductivity (d singlet wave or p triplet wave) in strongly correlated electronic system (SCES) is discussed with recent examples found in heavy...
Kuwahara, K., Iwasa, K., Kohgi, M., Kaneko, K., Metoki, N., Raymond, S., ...
We report inelastic neutron scattering experiments performed to investigate the low energy magnetic excitations on single crystals of the heavy-fermion superconductor PrOs$_{4}$Sb$_{12}$. The...
On the Heavy Fermion Road (2005)
The heavy fermion properties are reviewed on selected examples often studied in Grenoble. The physical problems are presented as example of exotic matter at low temperature with three major insights:...
Knafo, W., Raymond, S., Fåk, B., Adams, M. A., Lejay, P., Flouquet, J.
We report inelastic neutron scattering measurements performed on a single crystal of the heavy fermion compound Ce$_{0.925}$La$_{0.075}$Ru$_{2}$Si$_{2}$, which is at the borderline between an...
Low-energy spin fluctuations in the heavy-fermion compound Ce0.925La0.075Ru2Si2 (2005)
Knafo, W, Raymond, S, Fak, B, Adams, M A, Lejay, P, Flouquet, J
An inelastic neutron scattering study of single-crystal heavy-fermion YbAgGe (2005)
Fåk, B, McMorrow, D F, Niklowitz, P G, Raymond, S, Ressouche, E, Flouquet, J, ...
High-pressure investigations of the itinerant ferromagnet CoS§2. (2005)
Barakat, S., Braithwaite, D., Alireza, P., Grube, K., Uhlarz, M., Wilson, J., ...
Internat.Conf.on Strongly Correlated Electron Systems (SCES '04), Karlsruhe, July 26-30, 2004
High-pressure investigations of the itinerant ferromagnet CoS§2. (2005)
Barakat, S., Braithwaite, D., Alireza, P., Grube, K., Uhlarz, M., Wilson, J., ...
Physica B, 359-361(2005) S.1216-18
Thermal transport in the hidden-order state of URu$_{2}$Si$_{2}$ (2004)
Behnia, K., Bel, R., Kasahara, Y., Nakajima, Y., Jin, H., Aubin, H., ...
We present a study of thermal conductivity in the normal state of the heavy-fermion superconductor URu$_{2}$Si$_{2}$. Ordering at 18K leads to a steep increase in thermal conductivity and (in...
Spin-fluctuation dominated electrical transport of Ni3Al at high pressure (2004)
Niklowitz, P. G., Beckers, F., Lonzarich, G. G., Knebel, G., Salce, B., Thomasson, J., ...
We present the first study of a magnetic quantum phase transition in the itinerant-electron ferromagnet Ni3Al at high pressures. Electrical resistivity measurements in a diamond anvil cell at...
Inelastic neutron scattering study of single crystal heavy fermion YbAgGe (2004)
Fak, B., McMorrow, D. F., Niklowitz, P. G., Raymond, S., Ressouche, E., Flouquet, J., ...
Single crystals of the heavy-fermion compound YbAgGe have been studied by neutron scattering. The magnetic ordering occurring below T1=0.5 K is characterized by a commensurate propagation vector...
Itinerant magnetism in Kondo crystal CeB6 as indicated by polarized neutron scattering (2004)
Plakhty, V. P., Regnault, L. P., Goltsev, A. V., Gavrilov, S. V., Yakhou, F., Flouquet, J., ...
A magnetic Bragg reflection corresponding to the wave vector k13 = (2pi/a)[1/2,1/2,1/2] of the antiferro-quadrupolar ordering is found in CeB6 in zero magnetic field below the Neel temperature TN....
High pressure phase diagrams of CeRhIn$_5$ and CeCoIn$_5$ studied by ac calorimetry (2004)
Knebel, G, Méasson, M-A, Salce, B, Aoki, D, Braithwaite, D, Brison, J P, ...
The pressure-temperature phase diagrams of the heavy fermion antiferromagnet CeRhIn$_5$ and the heavy fermion superconductor CeCoIn$_5$ have been studied under hydrostatic pressure by ac calorimetry...
Kondo engineering : from single Kondo impurity to the Kondo lattice (2004)
Flouquet, J., Barla, A., Boursier, R., Derr, J., Knebel, G.
In the first step, experiments on a single cerium or ytterbium Kondo impurity reveal the importance of the Kondo temperature by comparison to other type of couplings like the hyperfine interaction,...
Valence and magnetic instabilities in Sm compounds at high pressures (2004)
Barla, A., Derr, J., Salce, B., Lapertot, G., Flouquet, J., ...
We report on the study of the response to high pressures of the electronic and magnetic properties of several Sm-based compounds, which span at ambient pressure the whole range of stable charge...
Knafo, W., Raymond, S., Flouquet, J., Fåk, B., Adams, M. A., Haen, P., ...
Inelastic neutron scattering measurements have been performed on single crystals of the heavy fermion compound Ce$_{0.925}$La$_{0.075}$Ru$_{2}$Si$_{2}$ in broad energy [0.1, 9.5 meV] and temperature...
Superconducting phase diagram of the filled skuterrudite PrOs4Sb12 (2004)
Braithwaite, D., Flouquet, J., Seyfarth, G., Brison, J.P., Lhotel, E., ...
We present new measurements of the specific heat of the heavy fermion superconductor PrOs4Sb12, on a sample which exhibits two sharp distinct anomalies at Tc1= 1.89K and Tc2= 1.72K. They are used to...
Superconducting phase diagram of the filled skuterrudite PrOs4Sb12 (2004)
Braithwaite, D., Flouquet, J., Seyfarth, G., Brison, J.P., Lhotel, E., ...
We present new measurements of the specific heat of the heavy fermion superconductor PrOs4Sb12, on a sample which exhibits two sharp distinct anomalies at Tc1= 1.89K and Tc2= 1.72K. They are used to...
Superconducting phase diagram of the filled skuterrudite PrOs4Sb12 (2004)
Braithwaite, D., Flouquet, J., Seyfarth, G., Brison, J. P., Lhotel, E., ...
We present new measurements of the specific heat of the heavy fermion superconductor PrOs4Sb12, on a sample which exhibits two sharp distinct anomalies at Tc1= 1.89K and Tc2= 1.72K. They are used to...
Anomalous scaling behaviour of the dynamical spin susceptibility of Ce0.925La0.075Ru2Si2 (2004)
Knafo, W, Raymond, S, Flouquet, J, Fak, B, Adams, M A, Haen, P, ...
Valence and magnetic instabilities in Sm compounds at high pressures (2004)
Barla, A., Derr, J., Salce, B., Lapertot, G., Flouquet, J., ...
We report on the study of the response to high pressures of the electronic and magnetic properties of several Sm-based compounds, which span at ambient pressure the whole range of stable charge...
Valence and magnetic instabilities in Sm compounds at high pressures (2004)
Barla, A., Derr, J., Salce, B., Lapertot, G., Flouquet, J., ...
We report on the study of the response to high pressures of the electronic and magnetic properties of several Sm-based compounds, which span at ambient pressure the whole range of stable charge...
Superconducting phase diagram of the filled skuterrudite PrOs4Sb12 (2004)
Braithwaite, D., Flouquet, J., Seyfarth, G., Brison, J.P., Lhotel, E., ...
We present new measurements of the specific heat of the heavy fermion superconductor PrOs4Sb12, on a sample which exhibits two sharp distinct anomalies at Tc1= 1.89K and Tc2= 1.72K. They are used to...
De Haas-van Alphen effect study of CePd2Si2 (2004)
Sheikin, I., Gröger, A., Raymond, S., Jaccard, D., Aoki, D., Harima, H., ...
Pressure-induced magnetic phase transition in gold-phase SmS (2004)
Haga, Y., Derr, J., Barla, A., Salce, B., Lapertot, G., Sheikin, I., ...
High magnetic field study of CePd2Si2 (2004)
Sheikin, I., Gröger, A., Raymond, S., Jaccard, D., Aoki, D., Harima, H., ...
Superconducting phase diagram of the filled skuterrudite PrOs4Sb12 (2004)
Braithwaite, D., Flouquet, J., Seyfarth, G., Brison, J.P., Lhotel, E., ...
We present new measurements of the specific heat of the heavy fermion superconductor PrOs4Sb12, on a sample which exhibits two sharp distinct anomalies at Tc1= 1.89K and Tc2= 1.72K. They are used to...
Pressure dependence of magnetism in URu2Si2 (2003)
Bourdarot, F., Fak, B., Mineev, V. P., Zhitomirsky, M. E., Kernavanois, N., Raymond, S., ...
Neutron-scattering and specific-heat measurements of the heavy-fermion superconductor URu2Si2 under hydrostatic pressure and with Rh-doping [U(Ru{0.98}Rh{0.02})2Si2] show the existence of two...
Polarization analysis of the inelastic magnetic scattering in Sr2RuO4 (2003)
Fak, B., Raymond, S., Servant, F., Lejay, P., Flouquet, J.
The spin fluctuations in the normal state of the unconventional superconductor Sr2RuO4 have been studied using inelastic neutron scattering with polarization analysis on single crystals. We find that...
Spin Fluctuations and Non-Fermi-Liquid Behavior of CeNi_2Ge_2 (2003)
Kadowaki, H., Fåk, B., Fukuhara, T., Maezawa, K., Nakajima, K., Adams, M. A., ...
Neutron scattering shows that non-Fermi-liquid behavior of the heavy-fermion compound CeNi_2Ge_2 is brought about by the development of low-energy spin fluctuations with an energy scale of 0.6 meV....
Phase diagram of heavy fermion systems (2003)
Flouquet, J., Haga, Y., Haen, P., Braithwaite, D., Knebel, G., Raymond, S., ...
The Meccano of heavy fermion systems is shown on different cases going from anomalous monochalcogenides to cerium intermetallic compounds with special focus on the ideal case of the CeRu2Si2 series....
Knafo, W., Raymond, S., Fak, B., Lapertot, G., Canfield, P. C., Flouquet, J.
Inelastic neutron scattering experiments were performed on single crystals of the heavy-fermion compound CeIn$_{3}$ for temperatures below and above the N\'eel temperature, $T_N$. In the...
Characterisation of high energy electron irradiation damage in UPt3 samples (2003)
Rodiere, P., Brison, J. P., Huxley, A. D., Albenque, F. Rullier, Flouquet, J.
We present transport and specific heat measurements on high quality single crystals of UPt$_3$ before and after irradiation by high energy electrons. We observe a strong dependence of the critical...
Spin fluctuations and non-Fermi-liquid behaviour of CeNi2Ge2 (2003)
Kadowaki, H, Fak, B, Fukuhara, T, Maezawa, K, Nakajima, K, Adams, M A, ...
High magnetic field study of CePd2Si2 (2003)
Sheikin, I., Gröger, A., Raymond, S., Jaccard, D., Aoki, D., Harima, H., ...
Raymond, S., Rueff, J. P., D'Astuto, M., Braithwaite, D., Krisch, M., Flouquet, J.
The phonon dispersion curve of SmS under pressure was studied by inelastic x-ray scattering around the pressure-induced valence transition. A significant softening of the longitudinal acoustic modes...
Flouquet, J., Haen, P., Raymond, S., Aoki, D., Knebel, G.
Focus is given on the macroscopic and microscopic experimental works realized during a decade on the clear case of itinerant metamagnetism in the heavy fermion paramagnetic compound CeRu2Si2 ....
Entropy of vortex cores near the superconductor-insulator transition in an underdoped cuprate (2002)
Capan, C., Behnia, K., Hinderer, J., Jansen, A. G. M., Lang, W., Marcenat, C., ...
We present a study of Nernst effect in underdoped La2-xSrxCuO4 in magnetic fields as high as 28 T. At high fields, a sizable Nernst signal was found to persist in the presence of a field- induced...
Experimental studies of ferromagnetic superconductors. (2002)
Pfleiderer, C., Uhlarz, M., Vollmer, R., Löhneysen, H.von, Hayden, S.M., Lonzarich, G.G., ...
Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Regensburg, 11.-15.März 2002
Experimental studies of ferromagnetic superconductors. (2002)
Pfleiderer, C., Uhlarz, M., Vollmer, R., Löhneysen, H.von, Hayden, S.M., Lanzarich, G.G., ...
Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Regensburg, 11.-15.März 2002
Capan, C., Behnia, K., Hinderer, J., Jansen, A. G. M., Lang, W., Marcenat, Ch., ...
We present a study of Nernst effect in underdoped $La_{2-x}Sr_xCuO_4$ in magnetic fields as high as 28T. At high fields, a sizeable Nernst signal was found to persist in presence of a field-induced...
Raymond, S., Regnault, L. P., Flouquet, J., Wildes, A., Lejay, P.
Inelastic neutron scattering experiments performed on a single crystal of the antiferromagnetic compound Ce$_{0.87}$La$_{0.13}$Ru$_{2}$Si$_{2}$ under applied pressures of up to 5 kbar are reported. A...
Magnetic order of UPt3 under uniaxial pressure (2001)
Van Dijk, N.H., Rodiere, P., Yakhou, F., F?k, B., Huxley, A., ...
Magnetic order of UPt3 under uniaxial pressure (2001)
Van Dijk, N.H., Rodiere, P., Yakhou, F., F?k, B., Huxley, A., ...
Hall resistivity in the heavy fermion normal state of UPt3 up to 26 T. (1999)
Kambe, S., Huxley, A., Flouquet, J., Jansen, A. G. M., Wyder, P.
Resonant magnetic x-ray scattering in UPd2Si2 at the uranium L2,3 edges (1998)
Wermeille, D, Vettier, C, Bernhoeft, N, Stunault, A, Langridge, S, De Bergevin, F, ...
Strong axial anisotropy of the magnetic penetration length in superconducting UPt3 (1998)
Yaouanc, A, Huxley, A, Flouquet, J, Bonville, P, Gubbens, P C M, ...
Thermal Conductivity and Gap Structure of the Superconducting Phases of UPt3 (1997)
Suderow, H., Brison, J. P., Huxley, A., Flouquet, J.
We present new measurements of the thermal conductivity of UPt3 down to very low temperatures (16mK) and under magnetic fields (up to 4 T) which cover all the superconducting phases of UPt3. The...
De Réotier, P. Dalmas, Huxley, A., Yaouanc, A., Flouquet, J., Bonville, P., Imbert, P., ...
We present muon spin relaxation measurements performed on crystals of the heavy fermion superconductor UPt$_3$. In zero applied field, contrary to a previous report, we do not observe an increase of...
Huxley, A, Yaouanc, A, Flouquet, J, Bonville, P, Imbert, P, ...
Suppression of the Gruneisen parameter of CeCu6 by a magnetic field (1995)
Holtmeier, S., Visser, A. De, Haen, P., Flouquet, J., Walker, M.B.
Expansivity of the superconducting phases of UPt3 (1993)
Dijk, N.H. Van, Visser, A. De, Franse, J.J.M., Holtmeier, S., Taillefer, L., Flouquet, J.
Search for Antiferromagnetic Order in Ube13 Via Magnetovolume Effects (1992)
Devisser, A., Vandijk, N.H., Bakker, K., Franse, J.J.M., Lacerda, A., Flouquet, J., ...
Field Suppression of the Heavy-Fermion State in Ceru2si2 (1991)
Vandermeulen, H.P., Devisser, A., Franse, J.J.M., Berendschot, Ttjm, Perenboom, Jaaj, Vankempen, H., ...
Anisotropy in the Thermal-Expansion of Heavy-Fermion Upt3 at the Superconducting Transition (1990)
Devisser, A., Menovsky, A.A., Franse, J.J.M., Hasselbach, K., Lacerda, A., Taillefer, L., ...
Normal and superconducting properties of UBe13 (1989)
Brison, J.P., Laborde, O., Jaccard, D., Flouquet, J., Morin, P., Fisk, Z., ...
Extensive magnetoresistivity experiments in large temperature (30 mK < T < 80 K) and field (H < 20 T) ranges are reported. At high temperatures (T > 4 K), the magnetoresistivity obeys a scaling law...
Thermal-Expansion of Monocrystalline Heavy-Fermion Cecu6 (1989)
Devisser, A., Lacerda, A., Haen, P., Flouquet, J., Kayzel, F.E., Franse, J.J.M.
Volume Effect at the Metamagnetic Transition in Ceru2si2 (1989)
Lacerda, A., Devisser, A., Puech, L., Lejay, P., Haen, P., Flouquet, J., ...
Normal and superconducting properties of UBe13 (1989)
Brison, J.P., Laborde, O., Jaccard, D., Flouquet, J., Morin, P., Fisk, Z., ...
Extensive magnetoresistivity experiments in large temperature (30 mK < T < 80 K) and field (H < 20 T) ranges are reported. At high temperatures (T > 4 K), the magnetoresistivity obeys a scaling law...
Normal and superconducting properties of UBe13 (1989)
Brison, J.P., Laborde, O., Jaccard, D., Flouquet, J., Morin, P., Fisk, Z., ...
Extensive magnetoresistivity experiments in large temperature (30 mK < T < 80 K) and field (H < 20 T) ranges are reported. At high temperatures (T > 4 K), the magnetoresistivity obeys a scaling law...
High-pressure magnetization of the heavy-Fermion system CeRu2Si 2 . (1988)
Voiron, J., Lejay, P., Haen, P., Flouquet, J.
The low-temperature magnetization of single-crystal CeRu2Si 2 has been investigated under hydrostatic pressures up to 6 kbar. The results reveal an extremely rapid decrease of the magnetic...
MAGNETIC PROPERTIES OF THE (Ce, La) Ru2Si2 SYSTEM (1988)
Haen, H., Kappler, J., Lapierre, F., Lehmann, P., Lejay, P., Flouquet, J., ...
Magnetization measurements of Ce1-xLaxRu2Si2 single crystals are reported. Antiferromagnetic order occurs for 0.08 ≤ x ≤ 0.9. For H parallel to the tetragonal c-axis, metamagnetic...
SPECIFIC HEAT OF (Ce, La) Ru2Si2 AT HIGH MAGNETIC FIELDS (1988)
Fisher, R., Phillips, N., Marcenat, C., Flouquet, J., Haen, P., Lejay, P., ...
Specific heat (C) measurements on Ce1-xLaxRu2Si2 were made in order to observe the change in C on going from a long range magnetically ordered system (x ≥ 0.08) to a paramagnetic system....
Regnault, L., Erkelens, W., Rossat-Mignod, J., Jacoud, J., Flouquet, J., Mignot, J., ...
Inelastic neutron scattering experiments have been performed on the heavy fermion compound CeCu6 at very low temperatures (T >≈ 20 mK) and under magnetic fields up to 50 kOe. The analysis of...
THERMAL EXPANSION OF HEAVY-FERMION CeRu2Si2 (1988)
De Visser, A., Haen, P., Lejay, P., Flouquet, J.
The coefficients of linear thermal expansion of single-crystalline samples of the tetragonal heavy-fermion compound CeRu2Si2, and its non-magnetic analog LaRu2Si2, have been measured in the...
TRANSPORT PROPERTIES OF HEAVY ELECTRON METALS (1988)
Jaccard, D., Sierro, J., Brison, J., Flouquet, J.
Resistivity (ρ) and thermoelectric power (Q) experiments are described for two different ground states at zero pressure (P) : a normal phase (CeAl3) and a superconducting phase (UBe13). In...
High-pressure magnetization of the heavy-Fermion system CeRu2Si 2 . (1988)
Voiron, J., Lejay, P., Haen, P., Flouquet, J.
The low-temperature magnetization of single-crystal CeRu2Si 2 has been investigated under hydrostatic pressures up to 6 kbar. The results reveal an extremely rapid decrease of the magnetic...
MAGNETIC PROPERTIES OF THE (Ce, La) Ru2Si2 SYSTEM (1988)
Haen, H., Kappler, J., Lapierre, F., Lehmann, P., Lejay, P., Flouquet, J., ...
Magnetization measurements of Ce1-xLaxRu2Si2 single crystals are reported. Antiferromagnetic order occurs for 0.08 ≤ x ≤ 0.9. For H parallel to the tetragonal c-axis, metamagnetic...
SPECIFIC HEAT OF (Ce, La) Ru2Si2 AT HIGH MAGNETIC FIELDS (1988)
Fisher, R., Phillips, N., Marcenat, C., Flouquet, J., Haen, P., Lejay, P., ...
Specific heat (C) measurements on Ce1-xLaxRu2Si2 were made in order to observe the change in C on going from a long range magnetically ordered system (x ≥ 0.08) to a paramagnetic system....
Regnault, L., Erkelens, W., Rossat-Mignod, J., Jacoud, J., Flouquet, J., Mignot, J., ...
Inelastic neutron scattering experiments have been performed on the heavy fermion compound CeCu6 at very low temperatures (T >≈ 20 mK) and under magnetic fields up to 50 kOe. The analysis of...
THERMAL EXPANSION OF HEAVY-FERMION CeRu2Si2 (1988)
De Visser, A., Haen, P., Lejay, P., Flouquet, J.
The coefficients of linear thermal expansion of single-crystalline samples of the tetragonal heavy-fermion compound CeRu2Si2, and its non-magnetic analog LaRu2Si2, have been measured in the...
TRANSPORT PROPERTIES OF HEAVY ELECTRON METALS (1988)
Jaccard, D., Sierro, J., Brison, J., Flouquet, J.
Resistivity (ρ) and thermoelectric power (Q) experiments are described for two different ground states at zero pressure (P) : a normal phase (CeAl3) and a superconducting phase (UBe13). In...
High-pressure magnetization of the heavy-Fermion system CeRu2Si 2 . (1988)
Voiron, J., Lejay, P., Haen, P., Flouquet, J.
The low-temperature magnetization of single-crystal CeRu2Si 2 has been investigated under hydrostatic pressures up to 6 kbar. The results reveal an extremely rapid decrease of the magnetic...
MAGNETIC PROPERTIES OF THE (Ce, La) Ru2Si2 SYSTEM (1988)
Haen, H., Kappler, J., Lapierre, F., Lehmann, P., Lejay, P., Flouquet, J., ...
Magnetization measurements of Ce1-xLaxRu2Si2 single crystals are reported. Antiferromagnetic order occurs for 0.08 ≤ x ≤ 0.9. For H parallel to the tetragonal c-axis, metamagnetic...
SPECIFIC HEAT OF (Ce, La) Ru2Si2 AT HIGH MAGNETIC FIELDS (1988)
Fisher, R., Phillips, N., Marcenat, C., Flouquet, J., Haen, P., Lejay, P., ...
Specific heat (C) measurements on Ce1-xLaxRu2Si2 were made in order to observe the change in C on going from a long range magnetically ordered system (x ≥ 0.08) to a paramagnetic system....
Regnault, L., Erkelens, W., Rossat-Mignod, J., Jacoud, J., Flouquet, J., Mignot, J., ...
Inelastic neutron scattering experiments have been performed on the heavy fermion compound CeCu6 at very low temperatures (T >≈ 20 mK) and under magnetic fields up to 50 kOe. The analysis of...
THERMAL EXPANSION OF HEAVY-FERMION CeRu2Si2 (1988)
De Visser, A., Haen, P., Lejay, P., Flouquet, J.
The coefficients of linear thermal expansion of single-crystalline samples of the tetragonal heavy-fermion compound CeRu2Si2, and its non-magnetic analog LaRu2Si2, have been measured in the...
TRANSPORT PROPERTIES OF HEAVY ELECTRON METALS (1988)
Jaccard, D., Sierro, J., Brison, J., Flouquet, J.
Resistivity (ρ) and thermoelectric power (Q) experiments are described for two different ground states at zero pressure (P) : a normal phase (CeAl3) and a superconducting phase (UBe13). In...
Novel magnetoacoustic effects in heavy-Fermion systems in high magnetic fields (1987)
Kouroudis, I., Weber, D., Yoshizawa, M., Lüthi, B., Puech, L., Haen, P., ...
Magnetic diffraction in solid 3He (1985)
Benoit, A., Bossy, J., Flouquet, J., Schweizer, J.
Magnetic diffraction in a bcc single crystal of 3He directly proves the occurrence of an antiferromagnetic ordering with a propagation vector (1 /2, 0, 0).
Neutron diffraction study of HoMo6S8 single crystal (1985)
Rossat-Mignod, J., Burlet, P., Quézel, S., Benoît, A., Flouquet, J., Horyn, R., ...
The first neutron diffraction results obtained on single crystals of HoMo 6S8 are reported. At temperatures below Tm = 0.65 K, HoMo6S8 develops a magnetic ordering of long period; the magnetic...
Thermal conductivity and thermoelectric power of UBe13 (1985)
Jaccard, D., Flouquet, J., Fisk, Z., Smith, J.L., Ott, H.R.
Measurements of the resistivity, thermoelectric power and thermal conductivity of the heavy fermion compound UBe13 and their relations to the temperature-upper critical field phase diagram are...
Magnetic diffraction in solid 3He (1985)
Benoit, A., Bossy, J., Flouquet, J., Schweizer, J.
Magnetic diffraction in a bcc single crystal of 3He directly proves the occurrence of an antiferromagnetic ordering with a propagation vector (1 /2, 0, 0).
Neutron diffraction study of HoMo6S8 single crystal (1985)
Rossat-Mignod, J., Burlet, P., Quézel, S., Benoît, A., Flouquet, J., Horyn, R., ...
The first neutron diffraction results obtained on single crystals of HoMo 6S8 are reported. At temperatures below Tm = 0.65 K, HoMo6S8 develops a magnetic ordering of long period; the magnetic...
Thermal conductivity and thermoelectric power of UBe13 (1985)
Jaccard, D., Flouquet, J., Fisk, Z., Smith, J.L., Ott, H.R.
Measurements of the resistivity, thermoelectric power and thermal conductivity of the heavy fermion compound UBe13 and their relations to the temperature-upper critical field phase diagram are...
Magnetic diffraction in solid 3He (1985)
Benoit, A., Bossy, J., Flouquet, J., Schweizer, J.
Magnetic diffraction in a bcc single crystal of 3He directly proves the occurrence of an antiferromagnetic ordering with a propagation vector (1 /2, 0, 0).
Neutron diffraction study of HoMo6S8 single crystal (1985)
Rossat-Mignod, J., Burlet, P., Quézel, S., Benoît, A., Flouquet, J., Horyn, R., ...
The first neutron diffraction results obtained on single crystals of HoMo 6S8 are reported. At temperatures below Tm = 0.65 K, HoMo6S8 develops a magnetic ordering of long period; the magnetic...
Thermal conductivity and thermoelectric power of UBe13 (1985)
Jaccard, D., Flouquet, J., Fisk, Z., Smith, J.L., Ott, H.R.
Measurements of the resistivity, thermoelectric power and thermal conductivity of the heavy fermion compound UBe13 and their relations to the temperature-upper critical field phase diagram are...
Magnetic transition of solid 3He observed by polarized neutrons (1982)
Benoit, A., Flouquet, J., Rufin, D., Schweizer, J.
Measurements of the transmission of polarized neutrons through a weakly polarized solid 3He target are reported. Temperatures down to 0.45 mK have been reached. This permits experimentation on the...
Magnetic transition of solid 3He observed by polarized neutrons (1982)
Benoit, A., Flouquet, J., Rufin, D., Schweizer, J.
Measurements of the transmission of polarized neutrons through a weakly polarized solid 3He target are reported. Temperatures down to 0.45 mK have been reached. This permits experimentation on the...
Magnetic transition of solid 3He observed by polarized neutrons (1982)
Benoit, A., Flouquet, J., Rufin, D., Schweizer, J.
Measurements of the transmission of polarized neutrons through a weakly polarized solid 3He target are reported. Temperatures down to 0.45 mK have been reached. This permits experimentation on the...
INTERMEDIATE VALENCE : THEORETICAL MODELS FOR ANOMALOUS RARE-EARTH ALLOYS AND COMPOUNDS (1980)
Coqblin, B., Bhattacharjee, A., Jullien, R., Flouquet, J.
The magnetic properties of anomalous rare-earth systems are described here. Firstly, the main results of the one-impurity models are recalled and applied to Kondo alloys or compounds and to...
MAGNETIC PROPERTIES OF TmSe (1980)
Flouquet, J., Holtzberg, F., Papoular, M., Pena, O., Tournier, R., Vettier, C.
The magnetic properties of TmSe are discussed using recent results of neutron diffraction and magnetization under pressure. An analysis is made using a competition between exchange and a one ion...
RESISTIVITY OF TmSe UNDER PRESSURE AT VERY LOW TEMPERATURE (1980)
Flouquet, J., Haen, P., Holtzberg, F., Lapierre, F., Mignot, J., Ribault, M., ...
Resistivity measurements of a nearly stoichiometric sample up to 6 kbar and down to 25 mK are reported. For 6 kbar, the resistivity ρ rises up to 120 mΩ.cm at 30 mK whereas just above the...
INTERMEDIATE VALENCE : THEORETICAL MODELS FOR ANOMALOUS RARE-EARTH ALLOYS AND COMPOUNDS (1980)
Coqblin, B., Bhattacharjee, A., Jullien, R., Flouquet, J.
The magnetic properties of anomalous rare-earth systems are described here. Firstly, the main results of the one-impurity models are recalled and applied to Kondo alloys or compounds and to...
MAGNETIC PROPERTIES OF TmSe (1980)
Flouquet, J., Holtzberg, F., Papoular, M., Pena, O., Tournier, R., Vettier, C.
The magnetic properties of TmSe are discussed using recent results of neutron diffraction and magnetization under pressure. An analysis is made using a competition between exchange and a one ion...
RESISTIVITY OF TmSe UNDER PRESSURE AT VERY LOW TEMPERATURE (1980)
Flouquet, J., Haen, P., Holtzberg, F., Lapierre, F., Mignot, J., Ribault, M., ...
Resistivity measurements of a nearly stoichiometric sample up to 6 kbar and down to 25 mK are reported. For 6 kbar, the resistivity ρ rises up to 120 mΩ.cm at 30 mK whereas just above the...
INTERMEDIATE VALENCE : THEORETICAL MODELS FOR ANOMALOUS RARE-EARTH ALLOYS AND COMPOUNDS (1980)
Coqblin, B., Bhattacharjee, A., Jullien, R., Flouquet, J.
The magnetic properties of anomalous rare-earth systems are described here. Firstly, the main results of the one-impurity models are recalled and applied to Kondo alloys or compounds and to...
MAGNETIC PROPERTIES OF TmSe (1980)
Flouquet, J., Holtzberg, F., Papoular, M., Pena, O., Tournier, R., Vettier, C.
The magnetic properties of TmSe are discussed using recent results of neutron diffraction and magnetization under pressure. An analysis is made using a competition between exchange and a one ion...
RESISTIVITY OF TmSe UNDER PRESSURE AT VERY LOW TEMPERATURE (1980)
Flouquet, J., Haen, P., Holtzberg, F., Lapierre, F., Mignot, J., Ribault, M., ...
Resistivity measurements of a nearly stoichiometric sample up to 6 kbar and down to 25 mK are reported. For 6 kbar, the resistivity ρ rises up to 120 mΩ.cm at 30 mK whereas just above the...
Low temperature properties of the abnormal cerium compounds (1979)
Benoit, A., Flouquet, J., Ribault, M.
After a short summary of the nuclear orientation results obtained on the cerium compounds, we discuss their low temperature properties mainly the phase diagram magnetic field-critical temperature.
Magnetization and specific heat of abnormal cerium compounds (1979)
Berton, A., Chaussy, J., Chouteau, G., Cornut, B., Flouquet, J., Odin, J., ...
The abnormal cerium compounds CeIn3, CeAl2, CeAl3 are studied by magnetization and specific heat measurements under pressure. The vicinity of the low temperature magnetic-non magnetic transition for...
The low temperature magnetic properties of ytterbium in f.c.c. phase (1979)
Ribault, M., Benoit, A., Flouquet, J., Chouteau, G.
The nuclear orientation results obtained under pressure for 3d impurities dissolved in the f.c.c. Ytterbium are compared with magnetization and de Haas Van Alphen experiments performed on the matrix....
Thermal expansion of Al3Ce at very low temperatures (1979)
Ribault, M., Benoit, A., Flouquet, J., Palleau, J.
Below 1 K the thermal expansion coefficient α of Al3Ce is negative and linearly approaches zero at 0 K. The pressure variation of the specific heat yT deduced from the initial variation of...
Low temperature properties of the abnormal cerium compounds (1979)
Benoit, A., Flouquet, J., Ribault, M.
After a short summary of the nuclear orientation results obtained on the cerium compounds, we discuss their low temperature properties mainly the phase diagram magnetic field-critical temperature.
Magnetization and specific heat of abnormal cerium compounds (1979)
Berton, A., Chaussy, J., Chouteau, G., Cornut, B., Flouquet, J., Odin, J., ...
The abnormal cerium compounds CeIn3, CeAl2, CeAl3 are studied by magnetization and specific heat measurements under pressure. The vicinity of the low temperature magnetic-non magnetic transition for...
The low temperature magnetic properties of ytterbium in f.c.c. phase (1979)
Ribault, M., Benoit, A., Flouquet, J., Chouteau, G.
The nuclear orientation results obtained under pressure for 3d impurities dissolved in the f.c.c. Ytterbium are compared with magnetization and de Haas Van Alphen experiments performed on the matrix....
Thermal expansion of Al3Ce at very low temperatures (1979)
Ribault, M., Benoit, A., Flouquet, J., Palleau, J.
Below 1 K the thermal expansion coefficient α of Al3Ce is negative and linearly approaches zero at 0 K. The pressure variation of the specific heat yT deduced from the initial variation of...
Low temperature properties of the abnormal cerium compounds (1979)
Benoit, A., Flouquet, J., Ribault, M.
After a short summary of the nuclear orientation results obtained on the cerium compounds, we discuss their low temperature properties mainly the phase diagram magnetic field-critical temperature.
Magnetization and specific heat of abnormal cerium compounds (1979)
Berton, A., Chaussy, J., Chouteau, G., Cornut, B., Flouquet, J., Odin, J., ...
The abnormal cerium compounds CeIn3, CeAl2, CeAl3 are studied by magnetization and specific heat measurements under pressure. The vicinity of the low temperature magnetic-non magnetic transition for...
The low temperature magnetic properties of ytterbium in f.c.c. phase (1979)
Ribault, M., Benoit, A., Flouquet, J., Chouteau, G.
The nuclear orientation results obtained under pressure for 3d impurities dissolved in the f.c.c. Ytterbium are compared with magnetization and de Haas Van Alphen experiments performed on the matrix....
Thermal expansion of Al3Ce at very low temperatures (1979)
Ribault, M., Benoit, A., Flouquet, J., Palleau, J.
Below 1 K the thermal expansion coefficient α of Al3Ce is negative and linearly approaches zero at 0 K. The pressure variation of the specific heat yT deduced from the initial variation of...
Abnormal ordered kondo lattice (1978)
Benoit, A., Flouquet, J., Ribault, M., Flouquet, F., Chouteau, G., Tournier, R.
Using a very crude model, we calculate at 0 K the magnetic ground state of the cerium intermetallic compounds and derive the corresponding value of the linear temperature coefficient of the specific...
KONDO COUPLING, HYPERFINE AND EXCHANGE INTERACTIONS (1978)
Firstly, the possible observation of an hyperfine structure in dilute alloys is discussed in function of the strength of the Kondo coupling ; other examples of inner structures of the local moment...
Magnetic ordering in Ce3Al11 (1978)
Chouteau, G., Flouquet, J., Keradec, J.P., Palleau, J., Peyrard, J., Tournier, R.
The magnetic properties of Ce3Al11 have been studied at low temperatures under pressure. We show that some of the striking properties of CeAl3 may be due to the presence of small amounts of Ce 3Al11.
Nuclear orientation experiments on cerium intermetallic compounds (1978)
Benoit, A., Flouquet, J., Ribault, M.
Nuclear orientation experiments on In3Ce, Pb3Ce, Sn3Ce show that the first compound is well ordered, that Sn 3Ce is a Kondo lattice and that further experiments must be performed in order to confirm...
NUCLEAR ORIENTATION EXPERIMENTS ON DILUTE ALLOY OF - Pt Mn (1978)
Benoit, A., Brewer, W., Flouquet, J., Ribault, M., Tholence, J.L., Wassermann, E.
Nuclear orientation measurements were performed on dilute alloys of Pt Mnx. At low concentration x ≤ 40 ppm, coupling between impurities is observed above their ordering temperatures, at...
Abnormal ordered kondo lattice (1978)
Benoit, A., Flouquet, J., Ribault, M., Flouquet, F., Chouteau, G., Tournier, R.
Using a very crude model, we calculate at 0 K the magnetic ground state of the cerium intermetallic compounds and derive the corresponding value of the linear temperature coefficient of the specific...
KONDO COUPLING, HYPERFINE AND EXCHANGE INTERACTIONS (1978)
Firstly, the possible observation of an hyperfine structure in dilute alloys is discussed in function of the strength of the Kondo coupling ; other examples of inner structures of the local moment...
Magnetic ordering in Ce3Al11 (1978)
Chouteau, G., Flouquet, J., Keradec, J.P., Palleau, J., Peyrard, J., Tournier, R.
The magnetic properties of Ce3Al11 have been studied at low temperatures under pressure. We show that some of the striking properties of CeAl3 may be due to the presence of small amounts of Ce 3Al11.
Nuclear orientation experiments on cerium intermetallic compounds (1978)
Benoit, A., Flouquet, J., Ribault, M.
Nuclear orientation experiments on In3Ce, Pb3Ce, Sn3Ce show that the first compound is well ordered, that Sn 3Ce is a Kondo lattice and that further experiments must be performed in order to confirm...
NUCLEAR ORIENTATION EXPERIMENTS ON DILUTE ALLOY OF - Pt Mn (1978)
Benoit, A., Brewer, W., Flouquet, J., Ribault, M., Tholence, J.L., Wassermann, E.
Nuclear orientation measurements were performed on dilute alloys of Pt Mnx. At low concentration x ≤ 40 ppm, coupling between impurities is observed above their ordering temperatures, at...
Abnormal ordered kondo lattice (1978)
Benoit, A., Flouquet, J., Ribault, M., Flouquet, F., Chouteau, G., Tournier, R.
Using a very crude model, we calculate at 0 K the magnetic ground state of the cerium intermetallic compounds and derive the corresponding value of the linear temperature coefficient of the specific...
KONDO COUPLING, HYPERFINE AND EXCHANGE INTERACTIONS (1978)
Firstly, the possible observation of an hyperfine structure in dilute alloys is discussed in function of the strength of the Kondo coupling ; other examples of inner structures of the local moment...
Magnetic ordering in Ce3Al11 (1978)
Chouteau, G., Flouquet, J., Keradec, J.P., Palleau, J., Peyrard, J., Tournier, R.
The magnetic properties of Ce3Al11 have been studied at low temperatures under pressure. We show that some of the striking properties of CeAl3 may be due to the presence of small amounts of Ce 3Al11.
Nuclear orientation experiments on cerium intermetallic compounds (1978)
Benoit, A., Flouquet, J., Ribault, M.
Nuclear orientation experiments on In3Ce, Pb3Ce, Sn3Ce show that the first compound is well ordered, that Sn 3Ce is a Kondo lattice and that further experiments must be performed in order to confirm...
NUCLEAR ORIENTATION EXPERIMENTS ON DILUTE ALLOY OF - Pt Mn (1978)
Benoit, A., Brewer, W., Flouquet, J., Ribault, M., Tholence, J.L., Wassermann, E.
Nuclear orientation measurements were performed on dilute alloys of Pt Mnx. At low concentration x ≤ 40 ppm, coupling between impurities is observed above their ordering temperatures, at...
Boysen, J., Brewer, W., Flouquet, J.
The usefulness of combining classical magnetisation measurements and hyperfine measurements (e. g. NMR or Nuclear Orientation (NO)) on dilute alloys is discussed. Recent measurements on dilute AuCo...
Sanchez, J., Benoit, A., Flouquet, J., Frossati, G.
Nous avons utilisé l'orientation nucléaire pour étalonner des résistances au carbone du type Speer 100 Ω, 1/2 W dans la gamme 30-5 mK. Nous montrons que la sensibilité reste excellente...
IMPLANTATIONS DANS LES ALLIAGES DILUÉS (1974)
Benoit, A., Flouquet, J., Sanchez, J.
Les expériences d'orientation nucléaire (i) sur des échantillons d'Au175, 169Yb fondus ou implantés (ii) sur des monocristaux de Mg137mCe implantés montrent clairement que l'effet des défauts...
Boysen, J., Brewer, W., Flouquet, J.
The usefulness of combining classical magnetisation measurements and hyperfine measurements (e. g. NMR or Nuclear Orientation (NO)) on dilute alloys is discussed. Recent measurements on dilute AuCo...
Sanchez, J., Benoit, A., Flouquet, J., Frossati, G.
Nous avons utilisé l'orientation nucléaire pour étalonner des résistances au carbone du type Speer 100 Ω, 1/2 W dans la gamme 30-5 mK. Nous montrons que la sensibilité reste excellente...
IMPLANTATIONS DANS LES ALLIAGES DILUÉS (1974)
Benoit, A., Flouquet, J., Sanchez, J.
Les expériences d'orientation nucléaire (i) sur des échantillons d'Au175, 169Yb fondus ou implantés (ii) sur des monocristaux de Mg137mCe implantés montrent clairement que l'effet des défauts...
Boysen, J., Brewer, W., Flouquet, J.
The usefulness of combining classical magnetisation measurements and hyperfine measurements (e. g. NMR or Nuclear Orientation (NO)) on dilute alloys is discussed. Recent measurements on dilute AuCo...
Sanchez, J., Benoit, A., Flouquet, J., Frossati, G.
Nous avons utilisé l'orientation nucléaire pour étalonner des résistances au carbone du type Speer 100 Ω, 1/2 W dans la gamme 30-5 mK. Nous montrons que la sensibilité reste excellente...
IMPLANTATIONS DANS LES ALLIAGES DILUÉS (1974)
Benoit, A., Flouquet, J., Sanchez, J.
Les expériences d'orientation nucléaire (i) sur des échantillons d'Au175, 169Yb fondus ou implantés (ii) sur des monocristaux de Mg137mCe implantés montrent clairement que l'effet des défauts...