306 citations · 2.5k across the 44 of their papers we have counts for
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Low Curie-temperature ferromagnetic phase in SmPt2Cd20 possibly accompanied by strong quantum fluctuations
Akira Yamada, Shota Oike, Ryuji Higashinaka +2
Electrical resistivity, magnetization and specific heat have been measured for single crystals of SmPtCd. It has been found that SmPtCd exhibits a ferroma…
Pronounced - Log T Divergence in Specific Heat of Nonmetallic CeOBiS: A Mother Phase of BiS-Based Superconductor
Ryuji Higashinaka, Takuya Asano, Takuya Nakashima +5
The low-temperature properties of CeOBiS single crystals are studied by electrical resistivity, magnetization, and specific heat measurements. Ce 4f -electrons are found to be…
Possible Existence of Partially Disordered Sm Ions in Magnetically Ordered State of Ising Magnet SmPt2Si2: a Single Crystal Study
Kengo Fushiya, Tatsuma D. Matsuda, Ryuji Higashinaka +2
We have succeeded in growing single crystals of SmPt2Si2 and have performed electrical resistivity, magnetization and specific heat measurements. The magnetic susceptibility shows…
Unusual Field-Insensitive Phase Transition and Kondo Behavior in SmTiAl
Ryuji Higashinaka, Takuya Maruyama, Akihiro Nakama +3
Magnetization, electrical resistivity and specific heat measurements were performed on high-quality single crystalline SmTiAl (residual resistivity ratio 40) grow…
f-Electron-Nuclear Hyperfine-Coupled Multiplets in the Unconventional Charge Order Phase of Filled Skutterudite PrRu4P12
Yuji Aoki, Takahiro Namiki, Shanta R. Saha +6
In the unconventional f-electron-associated charge order phase of filled skutterudite PrRu4P12, the low-temperature behaviors of the triplet crystalline-electric-field ground state…
Superconducting properties of Pr-based Filled skutterudite PrRuAs
T. Namiki, Y. Aoki, H. Sato +5
We report on systematic study of superconducting characteristics and Pr crystalline-electric-field (CEF) levels of filled-skutterudite \pra ( = 2.33 K). The temperature…
Role of p-f Hybridization in the Metal-Non-Metal Transition of PrRu4P12
Kazuaki Iwasa, Lijie Hao, Tomoo Hasegawa +10
Electronic state evolution in the metal-non-metal transition of PrRu4P12 has been studied by X-ray and polarized neutron diffraction experiments. It has been revealed that, in the…
Evolution of 4f-Electron States in the Metal-Insulator Transition of PrRuP
Kazuaki Iwasa, Lijie Hao, Keitaro Kuwahara +7
Magnetic excitations of the filled skutterudite PrRu4P12 exhibiting a metal-insulator (M-I) transition at TM-I= 63 K were studied by inelastic neutron scattering experiment. The sp…
Direct Observation of Quadrupolar Excitons in the Heavy-Fermion Superconductor PrOsSb
K. Kuwahara, K. Iwasa, M. Kohgi +8
We report inelastic neutron scattering experiments performed to investigate the low energy magnetic excitations on single crystals of the heavy-fermion superconductor PrOsSb$…
Complex magnetic phase diagram of CePd_{2-x}Ni_xAl_3 around its critical concentration
J. G. Sereni, P. Pedrazzini, E. Bauer +3
Thermal, magnetic and transport measurements are reported on CePd_{2-x}Ni_xAl_3 in the 0<= x <= 1 range, including the effect of pressure (p) and magnetic field on some selected sa…
Specific Heat Study on Heavy-Fermion Pr compounds with filled skutterudite structure
Y. Aoki, T. Namiki, T. Kanayama +4
Rare 4f^2-based heavy-fermion behaviors have been revealed recently in Pr-based filled skutterudites PrFe4P12 and PrOs4Sb12. Recent studies on the thermal properties on both compou…
Fermi surface of the heavy fermion superconductor PrOsSb
H. Sugawara, S. Osaki, S. R. Saha +8
We have investigated the de Haas-van Alphen effect in the Pr-based heavy fermion superconductor PrOsSb.The topology of Fermi surface is close to the reference compound L…
The effect of uniaxial pressure on the magnetic anomalies of the heavy-fermion metamagnet CeRu2Si2
S. R. Saha, H. Sugawara, T. Namiki +2
The effect of uniaxial pressure (P_u) on the magnetic susceptibility (X), magnetization (M), and magnetoresistance (MR) of the heavy-fermion metamagnet CeRu2Si2 has been investigat…
Thermodynamical Study on the Heavy-Fermion Superconductor PrOs4Sb12: Evidence for Field-Induced Phase Transition
Y. Aoki, T. Namiki, S. Ohsaki +3
We report measurements of low-temperature specific heat on the 4f^2-based heavy-fermion superconductor PrOs4Sb12. In magnetic fields above 4.5 T in the normal state, distinct anoma…
Anomalous heavy-fermion and ordered states in the filled skutterudite PrFe4P12
Y. Aoki, T. Namiki, T. D. Matsuda +3
Specific heat and magnetization measurements have been performed on high-quality single crystals of filled-skutterudite PrFe_4P_{12} in order to study the high-field heavy-fermion…
Unusual behaviors in the transport properties of REFeP (RE: La, Ce, Pr, and Nd)
H. Sato, Y. Abe, H. Okada +4
We have investigated the resistivity (), thermoelectric power (TEP) and Hall coefficient () on high quality single crystals of REFeP. TEP in CeFeP$_{12…
Exotic Heavy Fermion State in the Filled Skutterudite PrFeP Uncovered by the de Haas-van Alphen Effect
H. Sugawara, T. D. Matsuda, K. Abe +6
We report the de Haas-van Alphen (dHvA) experiment on the filled skutterudite PrFeP exhibiting apparent Kondo-like behaviors in the transport and thermal properties. We…
Magnetic, thermal, and transport properties on single crystals of antiferromagnetic Kondo-lattice Ce2PdSi3
S. R. Saha, H. Sugawara, T. D. Matsuda +3
Magnetization, heat capacity, electrical resistivity, thermoelectric power, and Hall effect have been investigated on single-crystalline Ce_2PdSi_3. This compound is shown to order…
Specific Heat Study of Non-Fermi Liquid Behavior in CeNi_2Ge_2: Anomalous Peak in Quasi-Particle Density-of-States
Yuji Aoki, Jun Urakawa, Hitoshi Sugawara +3
To investigate the non-Fermi liquid (NFL) behavior in a nonalloyed system CeNi_2Ge_2, we have measured the temperature and field dependences of the specific heat C on a CeNi_2Ge_2…