Non-Fermi-liquid behavior in Ce(Ru1-xFex)2Ge2: cause and effect (2006)
Montfrooij, W., Aronson, M.C., Rainford, B.D., Mydosh, J.A., Hendrikx, R.W.A., Gortenmulder, T.J., ...
Non-Fermi-liquid behavior in Ce(Ru$_{1-x}$Fe$_x$)$_2$Ge$_2$: cause and effect (2005)
Montfrooij, W., Aronson, M. C., Rainford, B. D., Mydosh, J. A., Hendrikx, R., Gortenmulder, T., ...
We present inelastic neutron scattering measurements on the intermetallic compounds Ce(Ru$_{1-x}$Fe$_x$)$_2$Ge$_2$ ($x$=0.65, 0.76 and 0.87). These compounds represent samples in a magnetically...
Montfrooij, W., Aronson, M.C., Rainford, B.D., Mydosh, J.A., Hendrikx, R., Gortenmuller, T., ...
We present inelastic neutron scattering measurements on the heavy-fermion compound Ce(Ru1–xFex)2Ge2 (x=0.87). This composition is close to the quantum critical point (QCP) compound (x=0.76) in...
Spin fluctuations in the skutterudite compound LaFe4Sb12 (2005)
Viennois,R., Charar,S., Ravot,D., Haen,P., Mauger,A., Bentin,A., ...
Spin fluctuations in the skutterudite compound LaFe4Sb12 (2005)
Viennois, R., Charar, S., Ravot, D., Haen, P., Mauger, A., Bentin, A., ...
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...
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, ...
Viennois,R., Ravot,D., Terki,F., Hernandez,C., Charar,S., Haen,P., ...
Extended versus local fluctuations in quantum critical Ce(Ru1-xFex)2Ge2 (x=xc=0.76) (2003)
Montfrooij, W., Aronson, M.C., Rainford, B.D., Mydosh, J.A., Murani, A.P., Haen, P., ...
We present inelastic neutron scattering experiments, performed near the antiferromagnetic quantum critical point in Ce(Ru0.24Fe0.76)2Ge2. Both local and long-range fluctuations of the local moments...
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....
Extended versus local fluctuations in quantum critical Ce(Ru1-xFex)2Ge2 (x = xc = 0.76) (2003)
Montfrooij, W., Aronson, M.C., Rainford, B.D., Mydosh, J.A., Murani, A.P., Haen, P., ...
We present inelastic neutron scattering experiments, performed near the antiferromagnetic quantum critical point in Ce(Ru0.24Fe0.76)2Ge2. Both local and long-range fluctuations of the local moments...
Magnetic properties of Ce(Rh1-xRux)2Si2 single crystals for x up to 0.5 (2003)
Haen, P., Lapierre, F., Lejay, P., Jaworska-Golab, T., Sekine, C., De Brion, S.
Magnetic phase diagram of filled skutterudite SmRu4P12 (2003)
Sekine, C., Shirotani, I., Marsuhara, K., Haen, P., De Brion, S., Chouteau, G., ...
non-Local Quantum Criticality in Ce(Ru_{1-x} Fe_x)_2 Ge_2 (x = x_c = 0.76) (2002)
Montfrooij, W., Aronson, M. C., Rainford, B. D., Mydosh, J. A., Murani, A. P., Haen, P., ...
We present the results of inelastic neutron scattering measurements, performed near the antiferromagnetic quantum critical point in Ce(Ru_{0.24} Fe_{0.76})_2 Ge_2. Both local and long range...
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 ....
Brusetti, R., Haen, P., Marcus, J.
We revisited the problem of the stability of the superconducting state in RbxWO3 and identified the main causes of the contradictory data previously published. We have shown that the ordering of the...
Fysiotherapeutische testen (2002)
Coppoolse, R., Leeuwerink, J., Braunbach-Bakhuys, O., Haen, P., Klaassen, R.
Het leren uitvoeren van tests is essentieel voor een therapeut. Fysiotherapeutische testen kunnen uitstekend worden gebruikt als hulpmiddel bij het verbeteren van de technische vaardigheden van de...
The magnetic pressure phase diagram of CeRu2(Ge,Si)(2) studied by neutron diffraction (2001)
Sullow, S., McIntyre, G.J., Haen, P., Rainford, B.D., Fukuhara, T.
Previously, an analogy has been observed between the application of hydrostatic and chemical pressure on the properties of CeRu2(Ge,Si)2 alloys. In order to test this analogy on a microscopic scale...
Positron Annihilation Study of CeCu2Si2 (1997)
Vasumathi,D., Barbiellini,B., Manuel,A. A., Hoffmann,L., Jarlborg,T., Molder,R., ...
Positron Annihilation Study of CeCu2Si2 (1997)
Vasumathi, D., Barbiellini, B., Manuel, A. A., Hoffmann, L., Jarlborg, T., Molder, R., ...
Suppression of the Gruneisen parameter of CeCu6 by a magnetic field (1995)
Holtmeier, S., Visser, A. De, Haen, P., Flouquet, J., Walker, M.B.
Crystal-field and magnetic-ordering in the cubic kondo-lattice ybpdsb (1994)
Lebras, G, Bonville, P, Imbert, P, Polatsek, G, Besnus, Mj, Haen, P, ...
Specific heat and Yb-170 Mossbauer spectroscopy measurements performed in cubic YbPdSb show that the Yb3+ CEF ground state is the GAMMA8 quartet with a Kondo temperature T(K) congruent-to 8 K. A...
Coexistence of magnetic and mixed valence states in Ce5Rh4 (1991)
Sereni, J., Nieva, G., Kappler, J., Haen, P.
Magnetic, specific heat and resistivity measurements lead to assume that in the Ce5Rh4 compound the three different Ce local environments induce two kinds of ground states. The atoms in the position...
Coexistence of magnetic and mixed valence states in Ce5Rh4 (1991)
Sereni, J., Nieva, G., Kappler, J., Haen, P.
Magnetic, specific heat and resistivity measurements lead to assume that in the Ce5Rh4 compound the three different Ce local environments induce two kinds of ground states. The atoms in the position...
Coexistence of magnetic and mixed valence states in Ce5Rh4 (1991)
Sereni, J., Nieva, G., Kappler, J., Haen, P.
Magnetic, specific heat and resistivity measurements lead to assume that in the Ce5Rh4 compound the three different Ce local environments induce two kinds of ground states. The atoms in the position...
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., ...
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., ...
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...
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....
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...
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...
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....
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...
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...
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....
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...
Novel magnetoacoustic effects in heavy-Fermion systems in high magnetic fields (1987)
Kouroudis, I., Weber, D., Yoshizawa, M., Lüthi, B., Puech, L., Haen, P., ...
ATOMIC RELAXATION IN MIXED-VALENT SYSTEMS DEDUCED FROM EXAFS SPECTROSCOPY (1986)
Wetta, N., Krill, G., Haen, P., Lapierre, F., Ravet, M., Godart, C., ...
We will present how it is possible, from EXAFS spectroscopy, to estimate atomic relaxation effects even in homogeneous mixed valent compounds, for which these relaxations are known to be very small....
ATOMIC RELAXATION IN MIXED-VALENT SYSTEMS DEDUCED FROM EXAFS SPECTROSCOPY (1986)
Wetta, N., Krill, G., Haen, P., Lapierre, F., Ravet, M., Godart, C., ...
We will present how it is possible, from EXAFS spectroscopy, to estimate atomic relaxation effects even in homogeneous mixed valent compounds, for which these relaxations are known to be very small....
ATOMIC RELAXATION IN MIXED-VALENT SYSTEMS DEDUCED FROM EXAFS SPECTROSCOPY (1986)
Wetta, N., Krill, G., Haen, P., Lapierre, F., Ravet, M., Godart, C., ...
We will present how it is possible, from EXAFS spectroscopy, to estimate atomic relaxation effects even in homogeneous mixed valent compounds, for which these relaxations are known to be very small....
MAGNETORESISTANCE OF Sm1-xLaxS, Sm1-xYx S AND SmS1-xAsx ALLOYS (1980)
Haen, P., Holtzberg, F., Lapierre, F., Peña, O., Penney, T., Tournier, R.
The magnetoresistance of Sm1-xLaxS, Sm1-xYxS and SmS1-xAsx alloys has been measured at 4.2 K and 1.5 K in fields up to 180 Koe. Different behaviours are observed depending on whether or not Kondo...
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...
MAGNETORESISTANCE OF Sm1-xLaxS, Sm1-xYx S AND SmS1-xAsx ALLOYS (1980)
Haen, P., Holtzberg, F., Lapierre, F., Peña, O., Penney, T., Tournier, R.
The magnetoresistance of Sm1-xLaxS, Sm1-xYxS and SmS1-xAsx alloys has been measured at 4.2 K and 1.5 K in fields up to 180 Koe. Different behaviours are observed depending on whether or not Kondo...
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...
MAGNETORESISTANCE OF Sm1-xLaxS, Sm1-xYx S AND SmS1-xAsx ALLOYS (1980)
Haen, P., Holtzberg, F., Lapierre, F., Peña, O., Penney, T., Tournier, R.
The magnetoresistance of Sm1-xLaxS, Sm1-xYxS and SmS1-xAsx alloys has been measured at 4.2 K and 1.5 K in fields up to 180 Koe. Different behaviours are observed depending on whether or not Kondo...
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...
Meerschaut, A., Rouxel, J., Haen, P., Monceau, P., Núñez-Regueiro, M.
A new tantalum trisulfide with a monoclinic unit cell has been characterized : a = 9.515 (2) Å, b = 3.341 2 (4) Å, c = 14.912 (2) Å, β = 109.99° (2), V = 445.5 Å3 with Z = 6. The compound...
One impurity effect of Tm in YSe. Kondo effect and Van Vleck behavior (1979)
Berger, A., Haen, P., Holtzberg, F., Lapierre, F., Mignot, J., Penney, T., ...
Low temperature magnetization and resistivity measurements in the dilute TmxY1-xSe system show both Tm2+ and Tm3+ like behavior. However, since the results are nearly linear with concentration, they...
Meerschaut, A., Rouxel, J., Haen, P., Monceau, P., Núñez-Regueiro, M.
A new tantalum trisulfide with a monoclinic unit cell has been characterized : a = 9.515 (2) Å, b = 3.341 2 (4) Å, c = 14.912 (2) Å, β = 109.99° (2), V = 445.5 Å3 with Z = 6. The compound...
One impurity effect of Tm in YSe. Kondo effect and Van Vleck behavior (1979)
Berger, A., Haen, P., Holtzberg, F., Lapierre, F., Mignot, J., Penney, T., ...
Low temperature magnetization and resistivity measurements in the dilute TmxY1-xSe system show both Tm2+ and Tm3+ like behavior. However, since the results are nearly linear with concentration, they...
Meerschaut, A., Rouxel, J., Haen, P., Monceau, P., Núñez-Regueiro, M.
A new tantalum trisulfide with a monoclinic unit cell has been characterized : a = 9.515 (2) Å, b = 3.341 2 (4) Å, c = 14.912 (2) Å, β = 109.99° (2), V = 445.5 Å3 with Z = 6. The compound...
One impurity effect of Tm in YSe. Kondo effect and Van Vleck behavior (1979)
Berger, A., Haen, P., Holtzberg, F., Lapierre, F., Mignot, J., Penney, T., ...
Low temperature magnetization and resistivity measurements in the dilute TmxY1-xSe system show both Tm2+ and Tm3+ like behavior. However, since the results are nearly linear with concentration, they...
ELECTRICAL RESISTIVITY ANOMALIES IN THE LINEAR COMPOUND NbSe3 DOWN TO 7 mK (1978)
Haen, P., Mignot, J., Monceau, P., Núñez Regueiro, M.
We report on detailed resistivity measurements of the linear compound NbSe3 down to 7 mK. Two drops in resistivity occur at 2.2 K and 0.4 K indicating two new transitions. Strongly non-linear effects...
ELECTRICAL RESISTIVITY ANOMALIES IN THE LINEAR COMPOUND NbSe3 DOWN TO 7 mK (1978)
Haen, P., Mignot, J., Monceau, P., Núñez Regueiro, M.
We report on detailed resistivity measurements of the linear compound NbSe3 down to 7 mK. Two drops in resistivity occur at 2.2 K and 0.4 K indicating two new transitions. Strongly non-linear effects...
ELECTRICAL RESISTIVITY ANOMALIES IN THE LINEAR COMPOUND NbSe3 DOWN TO 7 mK (1978)
Haen, P., Mignot, J., Monceau, P., Núñez Regueiro, M.
We report on detailed resistivity measurements of the linear compound NbSe3 down to 7 mK. Two drops in resistivity occur at 2.2 K and 0.4 K indicating two new transitions. Strongly non-linear effects...
EFFECT OF PRESSURE AND ELECTRIC FIELD ON CDW INDUCED RESISTIVITY ANOMALIES IN NbSe3 (1976)
Haen, P., Waysand, G., Boch, G., Waintal, A., Monceau, P., Ong, N., ...
We report the effect of pressure on the two resistivity anomalies at 145 K and 59 K in NbSe3 and resulting from charge density wave formation. The rate of decrease of the critical temperature with...
EFFECT OF PRESSURE AND ELECTRIC FIELD ON CDW INDUCED RESISTIVITY ANOMALIES IN NbSe3 (1976)
Haen, P., Waysand, G., Boch, G., Waintal, A., Monceau, P., Ong, N., ...
We report the effect of pressure on the two resistivity anomalies at 145 K and 59 K in NbSe3 and resulting from charge density wave formation. The rate of decrease of the critical temperature with...
EFFECT OF PRESSURE AND ELECTRIC FIELD ON CDW INDUCED RESISTIVITY ANOMALIES IN NbSe3 (1976)
Haen, P., Waysand, G., Boch, G., Waintal, A., Monceau, P., Ong, N., ...
We report the effect of pressure on the two resistivity anomalies at 145 K and 59 K in NbSe3 and resulting from charge density wave formation. The rate of decrease of the critical temperature with...
Nous avons mesuré, entre leur température de transition supraconductrice et l'ambiante, la résistivité électrique de deux échantillons de niobium et d'échantillons d'alliages Nb-Hf en phase...
Nous avons mesuré, entre leur température de transition supraconductrice et l'ambiante, la résistivité électrique de deux échantillons de niobium et d'échantillons d'alliages Nb-Hf en phase...
Nous avons mesuré, entre leur température de transition supraconductrice et l'ambiante, la résistivité électrique de deux échantillons de niobium et d'échantillons d'alliages Nb-Hf en phase...