601 citations · 2.6k across the 80 of their papers we have counts for
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Complex magnetic phase diagram with a small phase pocket in a three-dimensional frustrated magnet CuInCrS
M. Gen, H. Ishikawa, A. Ikeda +13
Frustrated magnets with a strong spin-lattice coupling can show rich magnetic phases and the associated fascinating phenomena. A promising platform is the breathing pyrochlore magn…
Gradual charge order melting in Bi0.5Ca0.5MnO3 induced by ultrahigh magnetic field
Y. Ishii, A. Ikeda, M. Tokunaga +3
We have investigated the magnetic properties of Bi0.5Ca0.5MnO3 under ultrahigh magnetic fields by magnetization measurements. This compound shows the metamagnetic transition which…
Extremely high upper critical field in BiCh-based (Ch: S and Se) layered superconductor LaOFBiSSe ( = 0.22 and 0.69)
Kazuhisa Hoshi, Ryosuke Kurihara, Yosuke Goto +2
Centrosymmetric compounds with local inversion symmetry breaking have tremendously interesting and intriguing physical properties. In this study, we focus on a BiCh-based (Ch:…
Enhancement and Discontinuity of Effective Mass through the First-Order Metamagnetic Transition in UTe
Atsushi Miyake, Yusei Shimizu, Yoshiki J. Sato +7
Metamagnetic transitions in the novel spin-triplet superconductor UTe were investigated through the newly developed simultaneous measurements of magnetization and sample temper…
Field-induced multiple metal-insulator crossovers of correlated Dirac electrons of perovskite CaIrO
R. Yamada, J. Fujioka, M. Kawamura +10
The interplay between electron correlation and topology of relativistic electrons may lead to a new stage of the research on quantum materials and emergent functions. The emergence…
Molecular beam deposition of a new layered pnictide with distorted Sb square nets
M. Ohno, M. Uchida, Y. Nakazawa +6
While the family of layered pnictides ( : rare or alkaline earth metals, : transition metals, : Sb/Bi) can host Dirac dispersions based on Sb/Bi square nets, nea…
Quantum transport of topological spin solitonsin a one-dimensional organic ferroelectric
Shusaku Imajo, Atsushi Miyake, Ryosuke Kurihara +4
We report the dielectric, magnetic, and ultrasonic properties of a one-dimensional organic salt TTF-QBrI. These indicate that TTF-QBrI shows a ferroelectric spin-Peierls (F…
Enhancing thermopower and Nernst signal of high-mobility Dirac carriers by Fermi level tuning in the layered magnet EuMnBi
Keigo Tsuruda, Kento Nakagawa, Masayuki Ochi +5
Dirac/Weyl semimetals hosting linearly-dispersing bands have received recent attention for potential thermoelectric applications, since their ultrahigh-mobility carriers could gene…
Multipole polaron in the devil's staircase of CeSb
Y. Arai, Kenta Kuroda, T. Nomoto +17
Rare-earth intermetallic compounds exhibit rich phenomena induced by the interplay between localized orbitals and conduction electrons. However, since the energy scale of the c…
Quantum transport observed in films of magnetic topological semimetal EuSb
Mizuki Ohno, Masaki Uchida, Ryosuke Kurihara +10
We report fabrication of EuSb single-crystalline films and investigation of their quantum transport. First-principles calculations demonstrate that EuSb is a magnetic topol…
Observation of inverse magnetocaloric effect in magnetic-field-induced austenite phase of Heusler Alloys Ni50-xCoxMn31.5Ga18.5 (x = 9 and 9.7)
T. Kihara, T. Roy, X. Xu +7
Magnetocaloric effect (MCE), magnetization, specific heat, and magnetostriction measurements were performed in both pulsed and steady high magnetic fields to investigate the magnet…
Tunable spin-valley coupling in layered polar Dirac metals
Masaki Kondo, Masayuki Ochi, Tatsuhiro Kojima +9
In non-centrosymmetric metals, spin-orbit coupling (SOC) induces momentum-dependent spin polarization at the Fermi surfaces. This is exemplified by the valley-contrasting spin pola…
Field-induced valence fluctuation in YbB
R. Kurihara, A. Miyake, M. Tokunaga +8
We performed high-magnetic-field ultrasonic experiments on YbB up to 59 T to investigate the valence fluctuations in Yb ions. In zero field, the longitudinal elastic constan…