High Energy Accelerator Research Organization

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19912026

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing cond-mat.str-elShow all

229 papers · 1 filter

cond-mat.str-el2026★ 3 cited

Electronic Structure of a Delafossite Oxide CuAlO $_{2}$ in Comparison with CuCrO $_{2}$

Kenta Takahashi, Ryo Kato, Mario Okawa +6

We investigated the electronic structure of a delafossite oxide CuAlO $_{2}$ in comparison with CuCrO $_{2}$ , using vacuum ultraviolet (VUV) and hard x-ray (HX) photoemission spectroscop…

cond-mat.str-el2026

Electronic phase separation and emergence of a nondimerized insulating phase in VO $_{2}$ $(110)_{R}$ ultrathin films

S. Inoue, D. Shiga, R. Hayasaka +3

Using in situ photoemission spectroscopy and x-ray absorption spectroscopy, we investigated the thickness dependence of the electronic structure and V-V dimerization in VO $_{2}$ /TiO$…

cond-mat.str-el2026

CE-antiferromagnetic electronic structure in LaSr $_{2}$ Mn $_{2}$ O $_{7}$ revealed by micro-focused angle-resolved photoemission spectroscopy and tight-binding models

Yasutaka Sawata, Yudai Hirai, Rintaro Miyabayashi +7

We have investigated the electronic structure of LaSr $_{2}$ Mn $_{2}$ O $_{7}$ in the CE-type antiferromagnetic (CE-AFM) state below the Néel temperature using micro-focused angle-resolved p…

cond-mat.str-el2026

Incommensurate Magnetic Ordered Phase with Enhanced Low-Temperature Magnetic Specific Heat in SmAu $_{3}$ Al $_{7}$

Ryuji Higashinaka, Takuma Iwami, Kohsuke Saitou +12

Neutron scattering and muon spin rotation ( $μ$ SR) measurements on single-crystal SmAu $_{3}$ Al $_{7}$ reveal magnetically ordered states associated with successive transitions at $T_{\rm…

cond-mat.str-el2026

Highly fluctuating double- $q$ magnetic order in the van der Waals metal CeTe $_{3}$

Ryutaro Okuma, Yuita Fujisawa, Natsumi Maekawa +5

CeTe $_{3}$ is a van der Waals antiferromagnet composed of magnetic [CeTe] $^{+}$ layers coupled to highly conducting Te $^{0.5 -}$ square nets. Its simple quasi-two-dimensional electronic…

cond-mat.str-el2026★ 1 cited

Collinear Magnetic Structure in the Diamond Network Magnet EuTi $_{2}$ Al $_{20}$

Masahiro Kawamata, Ryuji Higashinaka, Takeshi Matsumura +5

The magnetic structure of EuTi $_{2}$ Al $_{20}$ , in which magnetic Eu $^{2 +}$ ions form a diamond network, was investigated using neutron and resonant X-ray diffraction on powder and si…

cond-mat.str-el2025

Topological Metal-Insulator Transition within the Ferromagnetic state

Ola Kenji Forslund, Chin Shen Ong, Moritz M. Hirschmann +20

A major challenge in condensed matter physics is integrating topological phenomena with correlated electron physics to leverage both types of states for next-generation quantum dev…

cond-mat.str-el2025

Effect of uniaxial stress on helimagnetic phases in the square-lattice itinerant magnet EuAl $_{4}$

Masaki Gen, Takuya Nomoto, Hiraku Saito +5

We investigate uniaxial-stress effects on the magnetic phase diagram of the square-lattice itinerant magnet EuAl $_{4}$ , where strong coupling among spin, lattice, and charge produc…

cond-mat.str-el2025★ 5 cited

Orbital magnetic moments in FeCr2S4 studied by x-ray magnetic circular dichroism

V. K. Verma, J. Patra, V. R. Singh +8

We have investigated the element specific magnetic characteristics of single-crystal FeCr2S4 using x-ray absorption spectroscopy (XAS) and x-ray magnetic circular dichroism (XMCD).…

cond-mat.str-el2025★ 1 cited

Versatile multi-q antiferromagnetic charge order in correlated vdW metals

Y. Fujisawa, P. Wu, R. Okuma +13

Following the discovery of graphene, interest in van der Waals (vdW) materials has surged; however, advancing physics beyond graphene requires quantum vdW materials platforms that…

cond-mat.str-el2025★ 6 cited

Successive Phase Transitions in the Quasi-Kagome Lattice System URhSn Studied by Resonant X-ray Scattering

Chihiro Tabata, Fusako Kon, Ruo Hibino +6

Successive phase transitions in the quasi-kagome compound URhSn were investigated by resonant X-ray scattering (RXS) at the uranium $M_{4}$ edge. In the high-temperature phase betwee…

cond-mat.str-el2025★ 4 cited

Pressure tuning of competing interactions on a honeycomb lattice

Piyush Sakrikar, Bin Shen, Eduardo H. T. Poldi +20

Magnetic exchange interactions are mediated via orbital overlaps across chemical bonds. Thus, modifying the bond angles by physical pressure or strain can tune the relative strengt…

cond-mat.str-el2025★ 2 cited

Interface-induced collective phase transition in VO2-based bilayers studied by layer selective spectroscopy

D. Shiga, S. Inoue, T. Kanda +6

We investigated the origin of collective electronic phase transitions induced at the heterointerface between monoclinic insulating VO2 and rutile metallic electron-doped VO2 layers…

cond-mat.str-el2025★ 1 cited

Electronic structure dimensionality of the quantum-critical ferromagnet YbNi $_{4}$ P $_{2}$

J. Dai, A. Antezak, W. Broad +15

YbNi $_{4}$ P $_{2}$ is the first known ferromagnetic metal showing a second-order quantum phase transition. Current theoretical understanding rules out second order ferromagnetic quantum…

cond-mat.str-el2025★ 4 cited

Triangular lattice magnet GdGa $_{2}$ 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…

cond-mat.str-el2025★ 2 cited

Large Seebeck coefficient driven by "pudding mold" flat band in hole-doped CuRhO $_{2}$

Amitayush Jha Thakur, Maximilian Thees, Franck Fortuna +7

We report the measurement, using angle-resolved photoemission spectroscopy, of the metallic electronic structure of the hole-doped thermoelectric oxide CuRh $_{0.9}$ Mg $_{0.1}$ O $_{2}$ .…

cond-mat.str-el2025★ 9 cited

U(1) Dirac quantum spin liquid candidate in triangular-lattice antiferromagnet CeMgAl $_{11}$ O $_{19}$

Yantao Cao, Akihiro Koda, M. D. Le +7

Quantum spin liquid represents an intriguing state where electron spins are highly entangled yet spin fluctuation persists even at 0 K. Recently, the hexaaluminates \textit{R}MgAl$…

cond-mat.str-el2025

Mass enhancement and metal-nonmetal transition driven by d-f hybridization in perovskites La1-xPrxCuO3

H. Takahashi, M. Ito, J. Fujioka +6

We report the large electron-mass enhancement and the metal to nonmetal transition upon the Pr doping in perovskite-type La1-xPrxCuO3. With increasing the Pr content x around 0.6,…

cond-mat.str-el2025★ 35 cited

Metallic $p$ -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…

cond-mat.str-el2024

Topological Semimetal KAlGe with Novel Electronic Instability

Toshiya Ikenobe, Takahiro Yamada, Jun-ichi Yamaura +6

Compounds with the anti-PbFCl structure exhibit a variety of electronic instabilities and intriguing physical properties. NaAlSi and NaAlGe are similar topological nodal-line semim…

cond-mat.str-el2024★ 2 cited

Dirac Magnon in Honeycomb Lattice Magnet NiTiO3

Hodaka Kikuchi, Makoto Ozeki, Nobuyuki Kurita +4

We performed inelastic neutron scattering experiments on single-crystal samples of the honeycomb lattice magnet, ilmenite NiTiO3. Below the Neel temperature of 22 K, spin wave exci…

cond-mat.str-el2024★ 2 cited

Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3

B. R. M. Smith, Y. Fujisawa, P. Wu +14

The charge density wave (CDW) state is a widespread phenomenon in low-dimensional metals/semimetals. The spectral weight of the associated folded bands (shadow bands) can be an int…

cond-mat.str-el2024★ 1 cited

A novel Kagome uud-ddu spin order in Heisenberg spin-1/2 Clinoatacamite Cu $_{4}$ (OH) $_{6}$ Cl $_{2}$ , the parent compound of Herbertsmithite

X. G. Zheng, M. Hagihala, I. Yamauchi +4

The newly identified field-induced up-up-down order in Ba $_{3}$ CoSb $_{2}$ O $_{9}$ etc. renewed attention on exotic phases in spin-1/2 triangular-lattice antiferromagnets. Here, we report…

cond-mat.str-el2024★ 148 cited

Chiral-Split Magnon in Altermagnetic MnTe

Zheyuan Liu, Makoto Ozeki, Shinichiro Asai +2

Altermagnetism is a newly discovered magnetic class named after the alternating spin polarizations in both real and reciprocal spaces. Like the spin-splitting of electronic bands,…

Electronic Structure of a Delafossite Oxide CuAlO2​ in Comparison with CuCrO2​

Electronic phase separation and emergence of a nondimerized insulating phase in VO2​ (110)R​ ultrathin films

CE-antiferromagnetic electronic structure in LaSr2​Mn2​O7​ revealed by micro-focused angle-resolved photoemission spectroscopy and tight-binding models

Incommensurate Magnetic Ordered Phase with Enhanced Low-Temperature Magnetic Specific Heat in SmAu3​Al7​

Highly fluctuating double-q magnetic order in the van der Waals metal CeTe3​

Collinear Magnetic Structure in the Diamond Network Magnet EuTi2​Al20​

Topological Metal-Insulator Transition within the Ferromagnetic state

Effect of uniaxial stress on helimagnetic phases in the square-lattice itinerant magnet EuAl4​

Orbital magnetic moments in FeCr2S4 studied by x-ray magnetic circular dichroism

Versatile multi-q antiferromagnetic charge order in correlated vdW metals

Successive Phase Transitions in the Quasi-Kagome Lattice System URhSn Studied by Resonant X-ray Scattering

Pressure tuning of competing interactions on a honeycomb lattice

Interface-induced collective phase transition in VO2-based bilayers studied by layer selective spectroscopy

Electronic structure dimensionality of the quantum-critical ferromagnet YbNi4​P2​

Triangular lattice magnet GdGa2​ with short-period spin cycloids and possible skyrmion phases

Large Seebeck coefficient driven by "pudding mold" flat band in hole-doped CuRhO2​

U(1) Dirac quantum spin liquid candidate in triangular-lattice antiferromagnet CeMgAl11​O19​

Mass enhancement and metal-nonmetal transition driven by d-f hybridization in perovskites La1-xPrxCuO3

Metallic p-wave magnet with commensurate spin helix

Topological Semimetal KAlGe with Novel Electronic Instability

Dirac Magnon in Honeycomb Lattice Magnet NiTiO3

Uncovering hidden Fermi surface instabilities through visualizing unconventional quasiparticle interference in CeTe3

A novel Kagome uud-ddu spin order in Heisenberg spin-1/2 Clinoatacamite Cu4​(OH)6​Cl2​, the parent compound of Herbertsmithite

Chiral-Split Magnon in Altermagnetic MnTe

Electronic Structure of a Delafossite Oxide CuAlO $_{2}$ in Comparison with CuCrO $_{2}$

Electronic phase separation and emergence of a nondimerized insulating phase in VO $_{2}$ $(110)_{R}$ ultrathin films

CE-antiferromagnetic electronic structure in LaSr $_{2}$ Mn $_{2}$ O $_{7}$ revealed by micro-focused angle-resolved photoemission spectroscopy and tight-binding models

Incommensurate Magnetic Ordered Phase with Enhanced Low-Temperature Magnetic Specific Heat in SmAu $_{3}$ Al $_{7}$

Highly fluctuating double- $q$ magnetic order in the van der Waals metal CeTe $_{3}$

Collinear Magnetic Structure in the Diamond Network Magnet EuTi $_{2}$ Al $_{20}$

Effect of uniaxial stress on helimagnetic phases in the square-lattice itinerant magnet EuAl $_{4}$

Electronic structure dimensionality of the quantum-critical ferromagnet YbNi $_{4}$ P $_{2}$

Triangular lattice magnet GdGa $_{2}$ with short-period spin cycloids and possible skyrmion phases

Large Seebeck coefficient driven by "pudding mold" flat band in hole-doped CuRhO $_{2}$

U(1) Dirac quantum spin liquid candidate in triangular-lattice antiferromagnet CeMgAl $_{11}$ O $_{19}$

Metallic $p$ -wave magnet with commensurate spin helix

A novel Kagome uud-ddu spin order in Heisenberg spin-1/2 Clinoatacamite Cu $_{4}$ (OH) $_{6}$ Cl $_{2}$ , the parent compound of Herbertsmithite