9 citations · 22 across the 11 of their papers we have counts for
11 papers
Dipolar-driven mean-field criticality in the ferrimagnet EuMnSiO
Masahiro Kawamata, Maxim Avdeev, Yusuke Nambu
We report mean-field critical behavior in EuMnSiO, a melilite-type ferrimagnet with spin-only Eu and Mn moments and negligible orbital contributions. Magn…
Refining hydrogen positions in α-FeOOH through combined neutron diffraction and computational techniques
Yusuke Nambu, Akihide Kuwabara, Masahiro Kawamata +3
The hydrogen positions and magnetic structure of goethite -FeOOH, a key component of iron rust, were examined through neutron diffraction. All symmetry-allowed magnetic structur…
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…
Anisotropic Band-Split Magnetism in Magnetostrictive CoFeO
Harry Lane, Guratinder Kaur, Masahiro Kawamata +9
Single crystal spinel CoFeO exhibits the largest room-temperature saturation magnetostriction among non-rare-earth compounds and a high Curie temperature ( K)…
Field-Induced Criticality in YbCu4Au
T. Taniguchi, K. Osato, H. Okabe +19
YbCu4Au is a unique material exhibiting multiple quantum fluctuations simultaneously. In this study, we investigated the field-induced criticality in YbCu4Au, based on comprehensiv…
Magnetic excitations in the noncentrosymmetric magnet Sr2MnSi2O7
Masahiro Kawamata, Xiaoqi Pang, Hiroshi Murakawa +7
Magnetic excitations in the noncentrosymmetric magnet SrMnSiO were investigated through inelastic neutron scattering measurements. Major magnetic excitations are limite…
Unusual spin dynamics in the van der Waals antiferromagnet FeGa2S4
Yifei Tang, Yoshihiko Umemoto, Yo Kawamoto +5
Spin dynamics in the van der Waals antiferromagnet FeGaS with triangular lattices are investigated using magnetometry, neutron scattering, and muon spin relaxation measurem…
Magnetic structure of the noncentrosymmetric magnet Sr2MnSi2O7 through irreducible representation and magnetic space group analyses
Y. Nambu, M. Kawamata, X. Pang +6
Magnetic structures of the noncentrosymmetric magnet SrMnSiO were examined through neutron diffraction for powder and single-crystalline samples, as well as magnetometr…
Understanding spin currents from magnon dispersion and polarization: Spin-Seebeck effect and neutron scattering study on Tb3Fe5O12
Y. Kawamoto, T. Kikkawa, M. Kawamata +9
Magnon spin currents in the ferrimagnetic garnet Tb3Fe5O12 with 4f electrons were examined through the spin-Seebeck effect and neutron scattering measurements. The compound shows a…
Quantum Criticality in YbCu4Ni
Kotaro Osato, Takanori Taniguchi, Hirotaka Okabe +12
We report on the quantum criticality of YbCuNi as revealed by our combined micro- and macro-measurements. We determine the crystal structure of YbCuNi with site mixing by n…