Elgazzar, S., Rusz, J., Amft, M., Oppeneer, P. M., Mydosh, J. A.
Spontaneous, collective ordering of electronic degrees of freedom leads to second-order phase transitions that are characterized by an order parameter. The notion "hidden order" (HO) has recently...
Magneto-thermal evidence of a partial gap at the Fermi surface of UPt_2Si_2 (2008)
Johannsen, N., Suellow, S., Sologubenko, A. V., Lorenz, T., Mydosh, J. A.
Motivated by the observation of a giant Nernst effect in URu_2Si_2, the thermoelectric response of the related system UPt_2Si_2 was investigated using thermal and electric transport properties such...
TlFe4Sb12: Weak itinerant ferromagnetic analogue to alkali-metal iron-antimony skutterudites (2008)
Leithe-Jasper, A., Schnelle, W., Rosner, H., Cardoso-Gil, R., Baenitz, M., Mydosh, J. A., ...
Field-dependent thermal transport in the Haldane chain compound NENP (2007)
Sologubenko, A. V., Lorenz, T., Mydosh, J. A., Rosch, A., Shortsleeves, K. C., Turnbull, M. M.
We present a study of the magnetic field-dependent thermal transport in the spin S=1 chain material Ni(C2H8N2)2NO2(ClO4) (NENP). The measured thermal conductivity is found to be very sensitive to the...
Mott-Hubbard versus charge-transfer behavior in LaSrMnO4 studied via optical conductivity (2007)
Gössling, A., Haverkort, M. W., Benomar, M., Wu, H., Senff, D., Möller, T., ...
Using spectroscopic ellipsometry, we study the optical conductivity sigma(omega) of insulating LaSrMnO4 in the energy range of 0.75-5.8 eV from 15 to 330 K. The layered structure gives rise to a...
NMR investigations of U2Ru2Sn: A possible Kondo insulator (2007)
Rajarajan, A. K., Rabis, A., Baenitz, M., Gippius, A. A., Morozowa, E. N., Mydosh, J. A., ...
Far-infrared optical investigation of the heavy-fermion semiconductor U2Ru2Sn (2007)
Sichelschmidt, J., Voevodin, V., Mydosh, J. A., Steglich, F.
Field induced metastabilities in U(Ru0.96Rh0.04)2Si2 (2007)
Silhanek, A. V., Jaime, M., Harrison, N., Batista, C. D., Amitsuka, H., Nakatsuji, S., ...
Mott-Hubbard exciton in the optical conductivity of YTiO3 and SmTiO3 (2006)
Gössling, A., Schmitz, R., Roth, H., Haverkort, M. W., Lorenz, T., Mydosh, J. A., ...
In the Mott-Hubbard insulators YTiO3 and SmTiO3 we study optical excitations from the lower to the upper Hubbard band, d^1d^1 -> d^0d^2. The multi-peak structure observed in the optical conductivity...
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...
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...
Metallurgy and characterization of R2Ni2Pb intermetallic compounds (2003)
Chinchure, A. D., Muñoz-Sandoval, E., Gortenmulder, T. J., Hendrikx, R. W. A., Mydosh, J. A.
Magnetic-Field-Induced Quantum Critical Point and Competing Order Parameters in URu2Si2 (2003)
Kim, K. H., Harrison, N., Jaime, M., Boebinger, G. S., Mydosh, J. A.
Divergence of the Grüneisen Ratio at Quantum Critical Points in Heavy Fermion Metals (2003)
Küchler, R., Oeschler, N., Gegenwart, P., Cichorek, T., Neumaier, K., Tegus, O., ...
Ferromagnetic Ordering in Alkali-Metal Iron Antimonides: NaFe4Sb12 and KFe4Sb12 (2003)
Leithe-Jasper, A., Schnelle, W., Rosner, H., Senthilkumaran, N., Rabis, A., Baenitz, M., ...
Effect of disorder on the magnetic and transport properties of UPd2-xSn (2003)
Maksimov, I., Litterst, F. J., Rechenberg, H., Feyerherm, R., Hendrikx, R. W. A., ...
Heavy carriers and non-Drude optical conductivity in MnSi (2003)
Mena, F. P., Damascelli, A., Fäth, M., Menovsky, A. A., Mydosh, J. A.
Magnetic structure and transitions of Dy2Ni2Pb (2003)
Prokeš, K., Muñoz-Sandoval, E., Chinchure, A. D., Mydosh, J. A.
Multiple magnetic transitions in single-crystal Gd5Rh4Ge10 (2003)
Ramakrishnan, S., Patil, N. G., Nieuwenhuys, G. J., Mydosh, J. A.
Chinchure, A. D., Sandoval, E. M., Mydosh, J. A.
We have measured the magnetization and magnetoresistance for a series of rare-earth (R=Er,Ho,Dy) plumbide intermetallic compounds, R2Ni2Pb. These materials form in an unusual orthorhombic structure...
High Magnetic Field Studies of the Hidden Order Transition in URu2Si2 (2002)
Jaime, M., Kim, K. H., Jorge, G., McCall, S., Mydosh, J. A.
We studied in detail the low temperature/high magnetic field phases of URu2Si2 single crystals with specific heat, magnetocaloric effect, and magnetoresistance in magnetic fields up to 45 T. Data...
Structure and magnetic order of the Heusler compound Co2NbSn (2002)
Wolter, A. U. B., Bosse, A., Baabe, D., Maksimov, I., Mienert, D., Klauss, H. H., ...
We present a detailed study of the structural and magnetic phase transitions of the Heusler compound Co2NbSn. This material undergoes a structural transition at T-S=235 K from the cubic Heusler Fm3m...
Magnetic phase diagram and crystal fields of superconducting ErNi2B2C (1995)
Sullow, S., Ludolph, B., Snel, C.E., Kayzel, F.E., Bruck, E.H., Nieuwenhuys, G.J., ...
Evidence for secondary-phase superconductivity in YNi4BC02 (1994)
Süllow, S., Hendrikx, R.W.A., Gortenmulder, T., Nieuwenhuys, G.J., Menovsky, A.A., Schenk, A., ...
Superconducting Phases of URu2Si2 (1991)
Ramirez, A.P., Siegrist, T., Palstra, T.T.M., Bruck, E.H., Garrett, J.D., Menovsky, A.A., ...
Magnetic Properties of the Ternary Compounds CeT2Si2 and UT2Si2 (1986)
Palstra, T.T.M., Menovsky, A.A., Nieuwenhuys, G.J., Mydosh, J.A.
We have investigated the magnetic properties of the intermetallic compounds CeT2Si2 and UT2Si2, with T a transition metal. From our measurements we have determined a trend from Pauli-paramagnetism...
Electrical Transport Properties of the Ternary Compounds UTSn, UTSb and ThTSn (1986)
Palstra, T.T.M., Nieuwenhuys, G.J., Mydosh, J.A., Buschow, K.H.J.
The resistivity of the equiatomic ternary compounds UTSn, UTSb and ThTSn is up to two orders of magnitude larger than Mooij’s criterion: ρmax = 250 μΩcm. An exponential decrease of the...
Neutron Diffraction and Magnetostriction of Cubic La(FexAl1-x)13 Intermetallic Compounds (1986)
Palstra, T.T.M., Nieuwenhuys, G.J., Mydosh, J.A., Helmholdt, R.B., Buschow, K.H.J.
The ferromagnetic and antiferromagnetic states of La(FexAl1-x)13 were studied by neutron diffraction and magnetostriction measurements. We present a model for the magnetic structure of the...
High-Magnetic-Field and High-Pressure Effects in Monocrystalline URu2Si2 (1986)
Boer, F.R. De, Franse, J.J.M., Louis, E., Menovsky, A.A., Mydosh, J.A., Palstra, T.T.M., ...
High-field magnetisation and high-pressure resistivity measurements have been performed on monocrystalline samples of the superconducting compound URu2Si2 just above Tc. At 1.4 K, well below the...
Helmholdt, R.B., Palstra, T.T.M., Nieuwenhuys, G.J., Mydosh, J.A., Buschow, K.H.J.
La(FexAl1–x)13 pseudobinary intermetallic compounds, which can be stabilized for 0.46
Anisotropic electrical resistivity of the magnetic heavy-fermion superconductor URu2Si2 (1986)
Palstra, T.T.M., Menovsky, A.A., Mydosh, J.A.
Electrical-resistivity measurements ρ(T,H) on single-crystal URu2Si2 have been performed between 0.3 and 300 K in fields up to 7 T. ρ(T) is highly anisotropic with the 300-K values parallel to the...
Superconductivity in the ternary rare-earth (Y, La, and Lu) compounds RPd2Si2 and RRh2Si2 (1986)
Palstra, T.T.M., Lu, G., Menovsky, A.A., Nieuwenhuys, G.J., Kes, P.H., Mydosh, J.A.
We have investigated the superconducting and metallurgical properties of the ternary compounds RPd2Si2 and RRh2Si2 with R = Y, La, and Lu. All RPd2Si2 compounds and LaRh2Si2 were found to be type-I...
Palstra, T.T.M., Nieuwenhuys, G.J., Mydosh, J.A., Buschow, K.H.J.
Cubic La(FexAl1–x)13 intermetallic compounds can be stabilized with iron concentration x between 0.46 and 0.92 in the NaZn13-type structure (D23) with Fm3c (Oh6) space-group symmetry. Here the...
Superconducting and Magnetic Transitions in the Heavy-Fermion System URu2Si2 (1985)
Palstra, T.T.M., Menovsky, A.A., Berg, J. Van Den, Dirkmaat, A.J., Kes, P.H., Nieuwenhuys, G.J., ...
The intermetallic compound URu2Si2 can be classified as a heavy-fermion system because of its large linear specific-heat coefficient γ=180 mJ/mol·K2. Susceptibility, magnetization, and...
Coexistence of Spin-Glass and Antiferromagnetic Orders in the Ising System Fe0.55Mg0.45Cl2 (1985)
Wong, Po-zen, Molnar, S. Von, Palstra, T.T.M., Mydosh, J.A., Yoshizawa, H., Shapiro, S.M., ...
The low-temperature phase of the dilute Ising antiferromagnet Fe0.55Mg0.45Cl2 in zero field is studied by specific-heat, ac-susceptibility, and neutron-scattering experiments. We find that in this...
Magnetic properties of cubic La(FexAl1–x)13 intermetallic compounds (1984)
Palstra, T.T.M., Nieuwenhuys, G.J., Mydosh, J.A.
We report susceptibility and magnetization measurements for La(FexAl1–x)13 which can be stabilized over the x range 0.46–0.92. At low x values a mictomagnetic regime occurs with distinct cusps in...
Metamagnetic transitions in cubic La(FexAl1-x)13 intermetallic compounds (1984)
Palstra, T.T.M., Werij, H.G.C., Nieuwenhuys, G.J., Mydosh, J.A., Boer, F.R. De, Buschow, K.H.J.
Cubic NaZn13-type compounds of the form La(FexAl1-x)13 were stabilised with compositions between LaFe6Al7 and LaFe12Al1. For compositions above LaFe11.2Al1.8 (x = 0.861) a low-temperature...
Spin Fluctuations and Superconductivity in UPt3 (1984)
Franse, J.J.M., Frings, P.H., Visser, A. De, Menovsky, A., Palstra, T.T.M., Kes, P.H., ...
A survey is presented on the magnetic and superconducting properties of hexagonal single-crystalline UPt3. Specific-heat experiments between 0.5 K and 20 K reveal a T3ln T/T* contribution, which...
Bulk superconductivity in the heavy-fermion superconductor UPt3 (1984)
Palstra, T.T.M., Kes, P.H., Mydosh, J.A., Visser, A. De, Franse, J.J.M., Menovsky, A.
We have investigated the superconducting properties of UPt3 by determining the Meissner effect via ac and dc susceptibility and magnetization measurements. We found an upper and lower limit of the...
Palstra, T.T.M., Mydosh, J.A., Nieuwenhuys, G.J., Buschow, K.H.J.
The magnetic properties of the cubic NaZn13 type pseudobinary compounds La(TxSi1-x)13 were studied for T = Fe, Co and Ni in the temperature range 4.2-300 K. 57Fe Mössbauer spectroscopy was performed...
Crystal-structure transformations and magnetic-ordering phenomena in GdCu1–xGax (1983)
Palstra, T.T.M., Morgownik, A.F.J., Mydosh, J.A., Geerken, B.M., Buschow, K.H.J.
Electrical resistivity, magnetic susceptibility, thermal expansion, x-ray diffraction, and scanning calorimetry measurements have been performed over wide temperature ranges on the pseudobinary...