282 citations · 1.7k across the 50 of their papers we have counts for
51 papers
Multiple Superconducting Phases under Pressure for Different Field Directions in UTe2
Dai Aoki, Atsushi Miyake, Ai Nakamura +7
The existence of multiple superconducting phases is a striking feature of UTe2, arising from the spin and orbital degrees of freedom and supporting a spin-triplet superconducting s…
Carrier-doping effect and anomalous transport properties in Ni-doped CeCoIn5 investigated by Hall resistivity measurements
Ryosuke Koizumi, Hayao Fujimoto, Teppei Takahashi +10
We investigated the effects of Ni doping on carrier density and anomalous electrical transport properties in CeCoNiIn () by performing Hall resistivity…
Electron-Hole Scattering Dichotomy and Anisotropic Warping in Quasi-Two-Dimensional Fermi Surfaces of UTe2
Motoi Kimata, Jun Ishizuka, Freya Husstedt +13
We present a combined experimental and theoretical study of the detailed Fermi-surface (FS) geometry of UTe2, a heavy-fermion superconductor that has recently attracted considerabl…
Hall effect on nontrivial quadrupole order in quasi-kagome compound URhSn
Yusei Shimizu, Arvind Maurya, Yoshiya Homma +6
This study focuses on the transport properties of the quasi-kagome compound URhSn, which exhibits successive phase transitions at TC =16 K (ferromagnetic phase) and TO =54 K (inter…
Nodal Superconductivity of UTe Probed by Field-Angle-Resolved Specific Heat on a Crystal with K
Kaito Totsuka, Yohei Kono, Yusei Shimizu +6
Field-angle-resolved specific-heat measurements were performed on a clean single crystal of a spin-triplet superconductor UTe with K and a low residual electron…
Intimate relationship between spin configuration in the triplet pair and superconductivity in UTe
Hiroki Matsumura, Yuki Takahashi, Riku Matsubayashi +16
Spin-triplet superconductivity is an intriguing quantum coherent state with both spin and orbital degrees of freedom, which holds significant potential for future applications in q…
-axis and -axis Knight shift measurements in the superconducting state on ultraclean UTe with = 2.1 K
Hiroki Matsumura, Yuki Takahashi, Katsuki Kinjo +12
Knight shifts along the and axes ( and ) at two crystallographically distinct Te sites were measured down to 70 mK using Te nuclear magnetic resonance (NM…
Novel Easy-Axis Switching through Metamagnetism in CeSb
Atsushi Miyake, Ryuta Hayasaka, Hiroto Fukuda +9
A novel magnetic field-induced switching of the magnetization easy axis has been discovered in the layered compound CeSb, which crystallizes in an orthorhombic structure with n…
Intrinsic low-temperature magnetic properties on the ultra-clean UTe with = 2.1 K revealed by Te NMR
Hiroki Matsumura, Shunsaku Kitagawa, Shiki Ogata +14
To investigate the intrinsic magnetic properties of UTe, we performed Te-NMR measurements on the ultra-clean single-crystalline UTe with superconducting transition…
Clear Reduction in Spin Susceptibility and Superconducting Spin Rotation for in the Early-Stage Sample of Spin-Triplet Superconductor UTe
Shunsaku Kitagawa, Kousuke Nakanishi, Hiroki Matsumura +12
We report the re-measurement of the -axis spin susceptibility component in an early-stage sample of the spin-triplet superconductor UTe with the transition temperature of $T…
Piezomagnetism in the Ising ferromagnet URhGe
Mikiya Tomikawa, Ryo Araki, Atsutoshi Ikeda +4
Piezomagnetism, linear response between strain and magnetic field, is relatively unexplored cross-correlation but has promising potential as a novel probe of time-reversal-symmetry…
Fermi surface topology and electronic transport properties of a chiral crystal NbGe with strong electron-phonon interaction
Yoshiki J. Sato, Ai Nakamura, Rei Nishinakayama +3
We report the electronic structures and transport properties of a chiral crystal NbGe, which is a candidate for a coupled electron-phonon liquid. The electrical resistivity and…
Impact of the Ce states in the electronic structure of the intermediate-valence superconductor CeIr
Shin-ichi Fujimori, Ikuto Kawasaki, Yukiharu Takeda +10
The electronic structure of the -based superconductor was studied by photoelectron spectroscopy. The energy distribution of the states were re…
Superconducting-Spin Reorientation in Spin-Triplet Multiple Superconducting Phases of UTe2
Katsuki Kinjo, Hiroki Fujibayashi, Hiroki Matsumura +12
Superconducting (SC) state has spin and orbital degrees of freedom, and spin-triplet superconductivity shows multiple SC phases due to the presence of these degrees of freedom. How…
Emergence of Elastic Softening Featuring Ultra-Slow Dynamics Around Magnetic Critical Endpoint in UCoAl
Masahito Yoshizawa, Yusei Shimizu, Yoshiki Nakanishi +4
We conducted an investigation on the temperature and magnetic field dependence of the elastic properties of UCoAl. The longitudinal elastic stiffness, , exhibits significan…
Monoaxial Dzyaloshinskii-Moriya interaction-induced topological Hall effect in a new chiral-lattice magnet GdPtB
Yoshiki J. Sato, Hikari Manako, Ryuji Okazaki +3
We investigate the topological Hall effect (THE) in the monoaxial chiral crystal GdPtB, a recently discovered compound that exhibits putative helimagnetism below 87 K. The dist…
Unraveling the magnetic structure of YbNiSn single crystal via crystal growth and neutron diffraction
Hung-Cheng Wu, Ai Nakamura, Daisuke Okuyama +3
Neutron and x-ray diffraction experiments were performed on the ternary intermetallic compound YbNiSn, formerly categorized as a ferromagnetic Kondo compound. At zero field, an inc…
Low-temperature Magnetic Fluctuations Investigated by Te-NMR on the Uranium-based Superconductor UTe
Hiroki Fujibayashi, Katsuki Kinjo, Genki Nakamine +11
To investigate the static and dynamic magnetic properties on the uranium-based superconductor UTe, we measured the NMR Knight shift and the nuclear spin-lattice relaxatio…
Large Reduction in the -axis Knight Shift on UTe with = 2.1 K
Hiroki Matsumura, Hiroki Fujibayashi, Katsuki Kinjo +11
Spin susceptibility in the superconducting (SC) state was measured in the higher-quality sample of uranium-based superconductor UTe by using Knight-shift measurements for a mag…
Anisotropic field response of specific heat for a ferromagnetic superconductor UCoGe in magnetic fields
Shota Nakamura, Shunichiro Kittaka, Kazushige Machida +4
Magnetic-field-angle-resolved specific heat and magnetization measurements were conducted on a ferromagnetic superconductor UCoGe with remarkable anisotropic upper critical field $…
First Observation of de Haas-van Alphen Effect and Fermi Surfaces in Unconventional Superconductor UTe2
Dai Aoki, Hironori Sakai, Petr Opletal +11
We report the first observation of the de Haas-van Alphen (dHvA) effect in the novel spin-triplet superconductor UTe2 using high quality single crystals with the high residual resi…
Analysis of the unconventional chiral fermions in a non-centrosymmetric chiral crystal
Vikas Saini, Souvik Sasmal, Ruta Kulkarni +2
Symmetry-protected non-trivial states in chiral topological materials hold immense potential for fundamental science and technological advances. Here, we report electrical transpor…
Magnetovolume Effect on the First-Order Metamagnetic Transition in UTe
Atsushi Miyake, Masaki Gen, Akihiko Ikeda +10
The link between the metamagnetic transition and novel spin-triplet superconductivity of UTe was discussed thermodynamically through magnetostriction measurements in a pulsed-m…
Drastic change in magnetic anisotropy of UTe2 under pressure revealed by 125Te-NMR
Katsuki Kinjo, Hiroki Fujibayashi, Genki Nakamine +11
To investigate the normal-state magnetic properties of UTe2 under pressure, we perform 125Te nuclear magnetic resonance (NMR) measurements up to 2 GPa. Below 1.2 GPa, the b-axis NM…