254 citations · 3.6k across the 95 of their papers we have counts for
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Systematic Evolution of Magnetic Anisotropy and Crystal-electric-field Ground States in SmTr2Ge2
Ryuji Higashinaka, Kokoro Higo, Tatsuma D. Matsuda +1
We investigated the crystal-electric-field (CEF) states in SmTr2Ge2 (Tr= Co-Cu and Ag) with the ThCr2Si2-type structure by magnetization and specific heat measurements. The magneti…
Incommensurate Magnetic Ordered Phase with Enhanced Low-Temperature Magnetic Specific Heat in SmAuAl
Ryuji Higashinaka, Takuma Iwami, Kohsuke Saitou +12
Neutron scattering and muon spin rotation (SR) measurements on single-crystal SmAuAl reveal magnetically ordered states associated with successive transitions at $T_{\rm…
Magnetic Order of Dresselhaus-type Antiferromagnet EuIrInGe Studied by Single Crystal Neutron Diffraction
Chihiro Tabata, Koji Kaneko, Akiko Nakao +3
The magnetic order of EuIrInGe, which crystallizes in a Dresselhaus-type noncentrosymmetric tetragonal structure, was investigated using two complementary single-crysta…
Collinear Magnetic Structure in the Diamond Network Magnet EuTiAl
Masahiro Kawamata, Ryuji Higashinaka, Takeshi Matsumura +5
The magnetic structure of EuTiAl, in which magnetic Eu ions form a diamond network, was investigated using neutron and resonant X-ray diffraction on powder and si…
Emergent Anomalous Hall Effect in the Eu-Based Compound with a Diamond Network: The Centrosymmetric Cubic Antiferromagnet EuTiAl
Ryuji Higashinaka, Kohsuke Sato, Ryosei Ideura +2
The centrosymmetric cubic compound EuTiAl, in which magnetic Eu ions form a diamond network, undergoes an antiferromagnetic transition at T = 3.3 K and exhibits meta…
Isotropic parallel antiferromagnetism in the magnetic-field-induced charge-ordered state of SmRuP caused by - hybridization
T. Matsumura, S. Michimura, T. Inami +12
Nature of the field-induced charge ordered phase (phase II) of SmRuP has been investigated by resonant x-ray diffraction (RXD) and polarized neutron diffraction (PND), f…
High-field moment polarization in the itinerant ferromagnet URhSi
W. Knafo, T. D. Matsuda, F. Hardy +2
We report a high-magnetic-field study of the itinerant ferromagnet URhSi. Magnetization and electrical resistivity were measured under magnetic fields up to 58~T applied alo…
Transport Spectroscopy of the Field Induced Cascade of Lifshitz Transitions in YbRh2Si2
Alexandre Pourret, Sergei G. Sharapov, Tatsuma D. Matsuda +3
A series of strong anomalies in the thermoelectric power is observed in the heavy fermion compound YbRhSi under the effect of magnetic field varying in the range from 9.5~T…
Phenomenological approach to study the degree of the itinerancy of the electrons in actinide ferromagnets with spin fluctuation theory
Naoyuki Tateiwa, Jiri Pospisil, Yoshinori Haga +3
Actinide compounds with 5f electrons have been attracting much attention because of their interesting magnetic and electronic properties such as heavy fermion state, unconventional…
Itinerant ferromagnetism in actinide 5f electrons system: Phenomenological analysis with spin fluctuation theory
Naoyuki Tateiwa, Jiri Pospisil, Yoshinori Haga +3
We have carried out an analysis of magnetic data in 69 uranium, 7 neptunium and 4 plutonium ferromagnets with the spin fluctuation theory developed by Takahashi (Y. Takahashi, J. P…
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…
Atomic displacements and lattice distortion in the magnetic-field-induced charge ordered state of SmRuP
T. Matsumura, S. Michimura, T. Inami +5
Structural properties of SmRuP in the anomalous magnetic ordered phase between K and K in magnetic fields has been studied by x-ray dif…
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…
Thermal conductivity through the quantum critical point in YbRh2Si2 at very low temperature
M. Taupin, G. Knebel, T. D. Matsuda +5
The thermal conductivity of YbRh2Si2 has been measured down to very low temperatures under field in the basal plane. An additional channel for heat transport appears below 30 mK, b…
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…
Direct observation of lattice symmetry breaking at the hidden-order transition in URu2Si2
S. Tonegawa, S. Kasahara, T. Fukuda +12
Since the 1985 discovery of the phase transition at K in the heavy-fermion metal URuSi, neither symmetry change in the crystal structure nor magnetic orde…
Pressure-induced ferromagnetism with strong Ising-type anisotropy in YbCuSi
Naoyuki Tateiwa, Tatsuma D. Matsuda, Yoshinori Haga +1
We report dc magnetic measurements on YbCuSi at pressures above 10 GPa using a miniature ceramic anvil cell. YbCuSi shows a pressure-induced transition from the non…
Fermi surface in the hidden-order state of URuSi under intense pulsed magnetic fields up to 81~T
G. W. Scheerer, W. Knafo, D. Aoki +14
We present measurements of the resistivity of URu2Si2 high-quality single crystals in pulsed high magnetic fields up to 81~T at a temperature of 1.4~K and up to 60~T at t…
Cyclotron resonance study of quasiparticle mass and scattering rate in the hidden-order and superconducting phases of URu2Si2
S. Tonegawa, K. Hashimoto, K. Ikada +10
The observation of cyclotron resonance in ultra-clean crystals of URu2Si2 [S. Tonegawa et al., PRL 109, 036401 (2012)] provides another route besides quantum oscillations to the de…
Single crystal growth and physical properties of a new uranium compound URhIn
Y. Matsumoto, Y. Haga, N. Tateiwa +4
We have grown the new uranium compound URhIn with the tetragonal HoCoGa-type by the In self flux method. In contrast to the nonmagnetic ground state of the isoelectronic an…
Magnetic Polarization and Fermi Surface Instability: Case of YbRh2Si2
A. Pourret, G. Knebel, G. Lapertot +2
We report thermoelectric and resitivity measurements of antiferromagnetic heavy fermion compound YRh2Si2 at low temperatures down and under high magnetic field. At low temperature,…
High-field moment polarization in the ferromagnetic superconductor UCoGe
W. Knafo, T. D. Matsuda, D. Aoki +7
We report magnetization and magnetoresistivity measurements on the isostructural ferromagnetic superconductors UCoGe and URhGe in magnetic fields up to 60 T and temperatures from 1…
Cyclotron Resonance in the Hidden-Order Phase of URu2Si2
S. Tonegawa, K. Hashimoto, K. Ikada +9
We report the first observation of cyclotron resonance in the hidden-order phase of ultra-clean URuSi crystals, which allows the full determination of angle-dependent elect…
High-Field Fermi Surface Properties in the Low Carrier Heavy Fermion Compound URu2Si2
Dai Aoki, Georg Knebel, Ilya Sheikin +4
We performed the Shubnikov-de Haas (SdH) experiments of the low carrier heavy fermion compound URu2Si2 at high fields up to 34T and at low temperatures down to 30mK. All main SdH b…