254 citations · 894 across the 14 of their papers we have counts for
10 papers · 1 filter
Field-angular Dependence of Pairing Interaction in URhGe: Comparison with UCoGe
Yo Tokunaga, Dai Aoki, Hadrien Mayaffre +8
The field-angular dependence of Co-NMR spin-lattice relaxation rate 1/T1 has been measured for a 10% Co-doped single crystal of URhGe. The experiment revealed that spin fluctuation…
125Te-NMR Study on a Single Crystal of Heavy Fermion Superconductor UTe2
Yo Tokunaga, Hironori Sakai, Shinsaku Kambe +11
We report 125Te-NMR studies on a newly discovered heavy fermion superconductor UTe2. Using a single crystal, we have measured the 125Te-NMR Knight shift K and spin-lattice relaxati…
Ferromagnetic Critical Behavior in U(CoFe)Al () Studied by Co Nuclear Quadrupole Resonance Measurement
Kosuke Karube, Taisuke Hattori, Kenji Ishida +1
In order to investigate physical properties around a ferromagnetic (FM) quantum transition point and a tricritical point (TCP) in the itinerant-electron metamagnetic compound UCoAl…
Quantum Criticality Based on Large Ising Spins: YbCoGe with New 1-2-4 Structure Type
K. Kitagawa, Y. Kishimoto, M. Iwatani +8
We present a new type of quantum critical material YbCoGe, having the largest quantum-critical pseudospin size ever. The YbCoGe-type structure is new, forms in the…
Anisotropic Uniaxial Pressure Response in UCoAl Studied by Nuclear Magnetic Resonance Measurement
Kosuke Karube, Shunsaku Kitagawa, Taisuke Hattori +3
We have performed nuclear quadrupole resonance and nuclear magnetic resonance measurements on UCoAl with strong Ising-type anisotropy under - and -axes uniaxial pressure. In…
Relationship between Ferromagnetic Criticality and the Enhancement of Superconductivity Induced by Transverse Magnetic Fields in UCoGe
Taisuke Hattori, Kosuke Karube, Kenji Ishida +3
We have performed 59Co NMR experiments on the ferromagnetic superconductor UCoGe under magnetic fields (H) along the a- and b- axes to investigate the relationship between ferromag…
Spin-Density-Wave-Type Ordering of LaCoGe Revealed by ^{59}Co- and ^{139}La-Nuclear Magnetic Resonance Measurements
Kosuke Karube, Taisuke Hattori, Kenji Ishida +3
The low-temperature magnetic properties of LaCoGe with the tetragonal CeFeSi-type structure were investigated by ^{59}Co- and ^{139}La-nuclear magnetic resonance (NMR) and nuclear…
Quantum critical state in a magnetic quasicrystal
Kazuhiko Deguchi, Shuya Matsukawa, Noriaki K. Sato +4
Quasicrystals are metallic alloys that possess long-range, aperiodic structures with diffraction symmetries forbidden to conventional crystals. Since the discovery of quasicrystals…
Metamagnetic Behavior and Kondo Breakdown in Heavy-Fermion CeFePO
S. Kitagawa, H. Ikeda, Y. Nakai +5
We report that nonmagnetic heavy-fermion (HF) iron oxypnictide CeFePO with two-dimensional XY-type anisotropy shows a metamagnetic behavior at the metamagnetic field H_M \simeq 4 T…
^{59}Co-Nuclear Quadrupole Resonance and Nuclear Magnetic Resonance studies on YCoGe --- Comparison between YCoGe and UCoGe ---
Kosuke Karube, Taisuke Hattori, Yoshihiko Ihara +6
We have performed ^{59}Co-nuclear quadrupole resonance (NQR) and nuclear magnetic resonance (NMR) studies on YCoGe, which is a reference compound of ferromagnetic superconductor UC…