744 citations · 2.3k across the 33 of their papers we have counts for
34 papers
Chiral Antiferromagnetism from Momentum-Space Resonance in a 2D Semiconductor
R. Okuma, T. Ikenobe, Y. Fujisawa +28
Understanding the principles governing the emergence of chiral quantum phases is a fundamental challenge, not only for uncovering new mechanisms of quantum-state formation but also…
Triangular lattice magnet GdGa with short-period spin cycloids and possible skyrmion phases
Priya R. Baral, Nguyen Duy Khanh, Masaki Gen +6
The two-dimensional triangular lattice (TAL) is a model system of magnetic frustration and competing interactions, where skyrmion spin vortices can be induced by a vertical magneti…
Perfectly harmonic spin cycloid and multi- textures in the Weyl semimetal GdAlSi
Ryota Nakano, Rinsuke Yamada, Juba Bouaziz +18
A fundamental question concerns how topological electronic states are influenced by many-body correlations, and magnetic Weyl semimetals represent an important material platform to…
Metallic -wave magnet with commensurate spin helix
Rinsuke Yamada, Max T. Birch, Priya R. Baral +20
Antiferromagnetic states with spin-split electronic structure give rise to novel spintronic, magnonic, and electronic phenomena despite (near-) zero net magnetization. The simplest…
Lattice-commensurate skyrmion texture in a centrosymmetric breathing kagome magnet
Max Hirschberger, Bertalan G. Szigeti, Mamoun Hemmida +15
Skyrmion lattices (SkL) in centrosymmetric materials typically have a magnetic period on the nanometer-scale, so that the coupling between magnetic superstructures and the underlyi…
Incommensurate broken helix induced by nonstoichiometry in the axion insulator candidate EuInAs
Masaki Gen, Yukako Fujishiro, Kazuki Okigami +9
Zintl phase EuInAs has garnered growing attention as an axion insulator candidate, triggered by the identification of a commensurate double- broken-helix s…
Multi-step topological transitions among meron and skyrmion crystals in a centrosymmetric magnet
H. Yoshimochi, R. Takagi, J. Ju +10
Topological swirling spin textures, such as skyrmions and merons, have recently attracted much attention as a unique building block for high-density magnetic information devices. T…
Canted antiferromagnetism in a spin-orbit coupled triangular-lattice magnet DyAuGe
Takashi Kurumaji, Masaki Gen, Shunsuke Kitou +5
Exploration of nontrivial magnetic states induced by strong spin-orbit interaction is a central topic of frustrated magnetism. Extensive studies are concentrated on rare-earth-base…
Toward the theoretically observable limit of electron density distribution by single-crystal synchrotron X-ray diffraction: The case of orbitally ordered Ti-3d^1 in YTiO_3
Terutoshi Sakakura, Yoshihisa Ishikawa, Shunji Kishimoto +9
The theoretically observable limit of electron density distribution by single-crystal X-ray diffraction is discussed. When F_{orb} and δF are defined as, respectively, the partial…
Successive phase transitions of the spin-orbit-coupled metal Cd2Re2O7 probed by high-resolution synchrotron x-ray diffraction
Daigorou Hirai, Atsuhito Fukui, Hajime Sagayama +2
The 5d pyrochlore oxide superconductor Cd2Re2O7 (CRO) has attracted significant interest as a spin-orbit-coupled metal (SOCM) that spontaneously undergoes a phase transition to an…
Possible helimagnetic order in Co4+-containing perovskites Sr1-xCaxCoO3
Hidefumi Takahashi, Masaho Onose, Yasuhito Kobayashi +7
We systematically synthesized perovskite-type oxides Sr1-xCaxCoO3 containing unusually high valence Co4+ ions by a high pressure technique, and investigated the effect of systemati…
Anisotropic magnetotransport properties coupled with spiral spin modulation in a triangular-lattice magnet EuZnGe
Takashi Kurumaji, Masaki Gen, Shunsuke Kitou +3
We investigate the thermodynamic, magnetic, and electrical transport properties of a triangular-lattice antiferromagnet EuZnGe using single crystals grown from Eu-Zn flux in sealed…
Spin-charge coupling and decoupling in perovskite-type iron oxides (SrBa)LaFeO
Masaho Onose, Hidefumi Takahashi, Takashi Saito +10
The perovskite-type iron oxide SrLaFeO is known to show characteristic spin-charge ordering (SCO), where sixfold collinear spin ordering and threefold charge or…
Rhombic skyrmion lattice coupled with orthorhombic structural distortion in EuAl
Masaki Gen, Rina Takagi, Yoshito Watanabe +9
The centrosymmetric tetragonal itinerant magnet EuAl exhibits an intricate magnetic phase diagram including rhombic and square skyrmion-lattice (SkL) phases in the external m…
Zoology of multiple-Q spin textures in a centrosymmetric tetragonal magnet with itinerant electrons
N. D. Khanh, T. Nakajima, S. Hayami +9
Magnetic skyrmion is a topologically stable particle-like swirling spin texture potentially suitable for high-density information bit, which was first observed in noncentrosymmetri…
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…
Magnetic structures and phase transitions of A-site Ordered Double-Perovskite SmBaMn2O6
Ryoji Kiyanagi, Shigeki Yamada, Hiroshi Aoki +4
Magnetic structures and the relationship between spin and charge-orbital orderings of an A-site ordered double-perovskite manganite SmBaMn2O6, an anticipated multiferroic material,…
High-pressure synthesis of BaRhO, a rhodate analogue of the layered perovskite Sr-ruthenate
I. Kurata, José A. Flores-Livas, H. Sugimoto +6
A new layered perovskite-type oxide BaRhO was synthesized by a high-pressure technique with the support of convex-hull calculations. The crystal and electronic structure we…
Electronic charge transfer driven by spin cycloidal structure
Y. Ishii, S. Horio, Y. Noda +11
Muon spin rotation and resonant soft X-ray scattering experiments on prototype multiferroics RMn2O5 (R = Y, Sm) are used to demonstrate that the local electric displacements are dr…
Antiferromagnetic long-range order in double-perovskite SrMgReO
Shang Gao, Daigorou Hirai, Hajime Sagayama +3
The double-perovskite ABB'O with heavy transition metal ions on the ordered B' sites is an important family of compounds to study the interplay between electron correlation…
Detection of multipolar orders in the spin-orbit-entangled 5d Mott insulator Ba2MgReO6
Daigorou Hirai, Hajime Sagayama, Shang Gao +4
In electronic solids with strong spin-orbit interactions (SOIs), the spin and orbital degrees of freedom of an electron are quantum mechanically entangled, which may result in an e…
Nanometric square skyrmion lattice in a centrosymmetric tetragonal magnet
N. D. Khanh, T. Nakajima, X. Z. Yu +12
Magnetic skyrmions are topologically stable spin swirls with particle-like character and potentially suitable for the design of high-density information bits. While most known skyr…
High-field depinned phase and planar Hall effect in skyrmion-host GdPdSi
Max Hirschberger, Taro Nakajima, Markus Kriener +11
For the skyrmion-hosting intermetallic GdPdSi with centrosymmetric hexagonal lattice and triangular net of rare earth sites, we report a thorough investigation of the magne…
Metamagnetic transitions and magnetoelectric responses in a chiral polar helimagnet NiInSbO
Yusuke Araki, Tatsuki Sato, Yuri Fujima +13
Magnetic-field effect on the magnetic and electric properties in a chiral polar ordered corundum NiInSbO has been investigated. Single-crystal soft x-ray and neutron diffra…