Yasuhiro Shimizu

■ Publications

Site-Dependent Local Spin Susceptibility and Low-Energy Excitation in a Weyl Semimetal WTe₂,
Toshiki Yokoo, Yukihiro Watanabe, Masashi Kumazaki, Masayuki Itoh, Yasuhiro Shimizu
J. Phys. Soc. Jpn. 91, 054701 (2022).
Zigzag magnetic order in the Kitaev spin-liquid candidate material RuBr₃ with a honeycomb lattice,
Y. Imai, K. Nawa, Y. Shimizu, W. Yamada, H. Fujihara, T. Aoyama, R. Takahashi, D. Okuyama, T. Ohashi, M. Hagihala, S. Torii, D. Morikawa, M. Terauchi, T. Kawamata, M. Kato, H. Gotou, M. Itoh, T. J. Sato, K. Ohgushi
Phys. Rev. B 105, L041112 (2022).
arXiv:2109.00129
Strongly electron-correlated semimetal RuI₃ with a layered honeycomb structure,
K. Nawa, Y. Imai, Y. Yamaji, H. Fujihara, W. Yamada, R. Takahashi, T. Hiraoka, M. Hagihala, S. Torii, T. Aoyama, T. Ohashi, Y. Shimizu, H. Gotou, M. Itoh, K. Ohgushi, T. J. Sato
J. Phys. Soc. Jpn. 90, 123703 (2021).
arXiv:2109.12864
Determination of local defect density in diamond by double electron-electron resonance,
Shang Li, Huijie Zheng, Zaili Peng, Mizuki Kamiya, Tomoyuki Niki, Viktor Stepanov, Andrey Jarmola, Yasuhiro Shimizu, Susumu Takahashi, Arne Wickenbrock, Dmitry Budker
Phys. Rev. B 104, 094307 (2021).
arXiv:2104.00744.
Magnetic field-driven transition between valence bond solid and antiferromagnetic order in distorted triangular lattice,
Y. Shimizu, M. Maesato, M. Yoshida, M. Takigawa, M. Itoh, A. Otsuka, H. Yamochi, Y. Yoshida, G. Kawaguchi, D. Graf, G. Saito
Phys. Rev. Research 3, 023145 (2021) , arXiv:2103.12249.
Local Observations of Orbital Diamagnetism and Excitation in Three-Dimensional Dirac Fermion Systems Bi_1-xSb_x,
Y. Watanabe, M. Kumazaki, H. Ezure, T. Sasagawa, R. Cava, M. Itoh, Y. Shimizu
J. Phys. Soc. Jpn. 90, 053701 (2021).
arXiv:2102.09917.
Orbital and magnetic ordering and domain-wall conduction in ferrimagnet La₅Mo₄O_{16,

T. Katsufuji, M. Miyake, M. Naka, M. Mochizuki, S. Kogo, T. Kajita, Y. Shimizu, M. Itoh, T. Hasegawa, S. Shimose, S. Noguchi, T. Saiki, T. Sato, F. Kagawa

Phys. Rev. Research 3, 013105 (2021).}
Occupation switching of d orbitals in vanadium dioxide probed via hyperfine interactions,
Y. Shimizu, T. Jin-no, F. Iwase, M. Itoh, Y. Ueda
Phys. Rev. B 101, 245123/1-9 (2020).
High pressure investigation of an organic three-dimensional Dirac semimetal candidate having a diamond lattice,
A. Kiswandhi, M. Maesato, S. Tomeno, Y. Yoshida, Y. Shimizu, P. Shahi, J. Gouchi, Y. Uwatoko, G. Saito, and H. Kitagawa
Phys. Rev. B 101, 245124/1-7 (2020).
Canting Antiferromagnetic Spin-Order (T_N = 102 K) in a Monomer Mott Insulator (ET)Ag₄(CN)₅ with a Diamond Spin-Lattice
A. Otsuka, Y. Shimizu, G. Saito, M. Maesato, A. Kiswandhi,T. Hiramatsu, Y. Yoshida, H. Yamochi, M. Tsuchiizu, Y. Nakamura, H. Kishida, and H. Ito,
Bull. Chem. Soc. Jpn. 93, 260-272 (2020).
Two-step gap opening across the quantum critical point in a Kitaev honeycomb magnet α-RuCl₃,
Y. Nagai, T. Jinno, J. Yoshitake, J. Nasu, Y. Motome, M. Itoh, Y. Shimizu
Physical Review B 101, 020414(R)/1-6 (2020).
High ambipolar mobility in a neutral radical gold dithiolene complex,
A. Mizuno, H. Benjamin, Y. Shimizu, Y. Shuku, M. M. Matsushita, N. Robertson, K. Awaga,
Adv. Func. Mater. 29, 1904181/1-10 (2019).
Molecular diamond lattice antiferromagnet as a Dirac semimetal candidate
Y. Shimizu, A. Otsuka, M. Maesato, M. Tsuchiizu, A. Nakao, H. Yamochi, T. Hiramatsu, Y. Yoshida, G. Saito
Physical Review B 99, 174417/1-6 (2019).
Atomic Physics
Y. Shimizu (Japanese tranlation), D.Budker, D.F.Kimball, D. P. Mille
Kyoritsu Publisher (2019).
Transport anisotropy and electron correlations in the layered molecular compounds Z[Pd(dmit)₂]₂ (Z = Me₄N,Et₂Me₂As,EtMe₃P) with different interlayer coupling
Y. Shimizu and R. Kato
Physical Review B 97, 125107/1-7 (2018).
新たな量子状態を追う
清水康弘
現代化学 1 (2018).
Symmetry Preservation and Critical Fluctuations in a Pseudospin Crossover Perovskite LaCoO₃
Y. Shimizu, T. Takahashi, S. Yamada, A. Shimokata, T. Jin-no, M. Itoh
Physical Review Letters 119, 267203/1-6 (2017).
Trimerization and orbital ordering in Ba_1-xSr_xV₁₃O₁₈
T. Kajita, Y. Obata, Y. Kakesu, Y. Imai, Y. Shmizu, M. Itoh, H. Kuwahara, and T. Katsufuji
Physical Review B 96, 245126/1-7 (2017).
3D Spin-Liquid State in an Organic Hyperkagome Lattice of Mott Dimers
A. Mizuno, Y. Shuku, M. M. Matsushita, M. Tsuchiizu, Y. Hara, N. Wada, Y. Shimizu, K. Awaga
Physical Review Letters 119, 057201/1-6 (2017).
T. Hiramatsu, Y. Yoshida, G. Saito, A. Otsuka, H. Yamochi, M. Maesato, Y. Shimizu, H. Ito, Y. Nakamura, H Kishida, M. Watanabe, R. Kumai
Design and preparation of a quantum spin liquid candidate κ-(ET)₂Ag₂(CN)₃ having a nearby superconductivity
Bull. Chem. Soc. Jpn. 90, 1073-1082 (2017).Award Article
Pressure-Tuned Exchange Coupling of a Quantum Spin Liquid in the Molecular Triangular Lattice κ-(ET)₂Ag₂(CN)₃
Y. Shimizu, T. Hiramatsu, M. Maesato, A. Otsuka, H. Yamochi, A. Ono, M. Itoh, M. Yoshida, M. Takigawa, Y. Yoshida, G. Saito
Physical Review Letters 117, 107203 (2016).
Pressure-induced superconductivity in the antiferromagnet κ-(ET)₂CF₃SO₃ with quasi-one-dimensional triangular spin lattice
H. Ito, T. Asai, Y. Shimizu, H. Hayama, Y. Yoshida, G. Saito
Physical Review B 94, 020503(R) (2016).
Local electronic state in the half-metallic ferromagnet CrO₂ investigated by site-selective ⁵³Cr NMR measurements
H. Takeda, Y. Shimizu, Y. Kobayashi, M. Itoh, T. Jin-no, M. Isobe, Y. Ueda, S. Yoshida, Y. Muraoka, T. Yokoya
Physical Review B 93, 235129 (2016).
Site-Selective Mott Transition in a Quasi-One-Dimensional Vanadate V₆O₁₃
Y. Shimizu, S. Aoyama, T. Jin-no, M. Itoh, Y. Ueda
Physical Review Letters 114, 166403 (2015).
Magnetic fluctuations and possible formation of a spin-singlet cluster under pressure in the heavy-fermion spinel LiV₂O₄ probed by ⁷Li and ⁵¹V NMR
H. Takeda, Y. Kato, M. Yoshimura, Y. Shimizu, M. Itoh, S. Niitaka, H. Takagi
Physical Review B 92, 045103/1-8 (2015).
Zero-field nuclear magnetic resonance spectroscopy of viscous liquids,
Y. Shimizu, J.W. Blanchard, S. Pustelny, G. Saielli, A. Bagno, M.P. Ledbetter, D. Budker, A. Pines
Journal of Magnetic Resonance 250, 1-6 (2015).
Spin disordered quantum phases in quasi-one-dimensional triangular lattice material,
Y. Yoshida, H. Ito, M. Maesato, Y. Shimizu, H. Hayama, T. Hiramatsu, Y. Nakamura, H. Kishida, T. Koretsune, C. Hotta, G. Saito
Nature Physics 11, 679-683 (2015).
Quantum spin liquid: design of a quantum spin liquid next to a superconducting state based on a dimer-type ET Mott insulator
T. Hiramatsu, Y. Yoshida, G. Saito, A. Otsuka, H. Yamochi, M. Maesato, Y. Shimizu, H. Ito, H. Kishida
Journal of Material Chemistry C 3, 1378-1388 (2015).
Spin frustration in antiperovskite systems:(TTF⁺ or TSF⁺)₃[(Mo₆X₁₄)₂Y]
T. Hiramatsu, Y. Yoshida, G. Saito, A. Otsuka, H. Yamochi, Y. Shimizu, Y. Hattori, Y. Nakamura, H. Kishida, H. Ito, K. Kirakci, S. Cordier, C. Perrin
Journal of Material Chemistry C 3, 11046-11054, (2015).
Magnetic fluctuations and possible formation of a spin-singlet cluster under pressure in the heavy-fermion spinel LiV₂O₄ probed by ⁷Li and ⁵¹V NMR
H. Takeda, Y. Kato, M. Yoshimura, Y. Shimizu, M. Itoh, S. Niitaka, H. Takagi
Physical Review B 92, 045103/1-8 (2015).
Spin disorder in an Ising honeycomb chain cobaltate
H. Igarashi, Y. Shimizu, Y. Kobayashi, M. Itoh
Phys. Rev. B 89, 054431 (2014).
Ultrasonic investigation of the transition at 6 K in the spin-liquid candidate κ-(ET)₂Cu₂(CN)₃
M. Poirier, M. de Lafontaine, K. Miyagawa, K. Kanoda, and Y. Shimizu
Phys. Rev. B 89, 045138 (2014).
Local electronic state in the high-valence hollandite-type chromium oxide K₂Cr₈O ₁₆ investigated by ⁵³CrNMR
H. Takeda, Y. Shimizu, M. Itoh, M. Isobe, and Y. Ueda
Phys. Rev. B 88, 165107 (2013).
Molecular Rotors of Coronene in Charge-Transfer Solids
Y. Yoshida, Y. Shimizu, T. Yajima, G. Maruta, S. Takeda, Y. Nakano, T. Hiramatsu, H. Kageyama, H. Yamochi, and G. Saito,
Chem. Eur. J. 19, 12313-12324 (2013).
T. Jin-no, Y. Shimizu, M. Itoh, S. Niitaka, H. Takagi
Orbital reformation with vanadium trimerization in d² triangular lattice LiVO₂ revealed by ⁵¹V NMR
Phys. Rev. B 87, 075135 (2013).
Y. Shimizu, H. Takeda, M. Itoh, S. Niitaka, H. Takagi
An orbital-selective spin liquid in the frustrated heavy fermion spinel LiV₂O₄
Nature Communications 3, 981 (2012).
M. Poirier, S. Parent, A. Cote, K. Miyagawa, K. Kanoda, Y. Shimizu
Magnetodielectric effects and spin-charge coupling in the spin-liquid candidate κ-(BEDT-TTF)₂Cu₂(CN)₃
Physical Review B 85, 134444 (2012).
Y. Shimizu, K. Matsudaira, M. Itoh, T. Kajita, T. Katsufuji,
Spin-singlet trimer state induced by competing orbital order in triangular-lattice BaV₁₀O₁₅
Phys. Rev. B 84, 064421 (2011).
Y. Shimizu, M. Maesato, G. Saito,
Uniaxial Strain effects on the Mott and superconducting transitions in κ-(ET)₂Cu₂(CN)₃
J. Phys. Soc. Jpn. 80, 074702 (2011).
Y. Shimizu, K. Okai, M. Itoh, M. Isobe, J. Yamaura, T. Yamauchi, Y. Ueda,
Metal-insulator transition in the hollandite K₂V₈O₁₆ with a frustrated zigzag ladder probed by ⁵¹V NMR,
Physical Review B, 83, 155111 (2011).
F.L. Pratt, P.J. Baker, S.J. Blundell, T. Lancaster, S. Ohira-Kawamura, C. Baines, Y. Shimizu, K. Kanoda and I. Watanabe,
Uncovering the magnetic and non-magnetic phases of a quantum spin liquid,
Nature, 471, 612 (2011).
Y. Shimizu, M. Horibe, H. Nanba, T. Takami, and M. Itoh,
Anisotropic spin dynamics in the frustrated chain Ca₃Co₂O₆ detected by single-crystal ⁵⁹Co NMR,
Physical Review B 82, 094430 (2010).
Y. Shimizu, H. Kasahara, A. Furuta, K. Miyagawa, K. Kanoda, M. Maesato, and G. Saito,
Pressure-induced superconductivity and Mott transition in spin-liquid κ-(ET)₂Cu₂(CN)₃ probed by ¹³C NMR
Physical Review B, 81, 224508 (2010).
J. Miyazaki, K. Matsudaira, Y. Shimizu, M. Itoh, Y. Nagamine, S. Mori, J. E. Kim, K. Kato, M. Takata, and T. Katsufuji,
Formation of a three-dimensional network of V trimers in A₂V₁₃O₂₂ (A =Ba, Sr),
Phys. Rev. Lett. 104, 207201 (2010).
Y. Shimizu, T. Yamada, T. Takami, S. Niitaka, H. Takagi, and M. Itoh
"Pressure induced antiferromagnetic fluctuations in the pnictide superconductor FeSe_0.5Te_0.5: ¹²⁵Te NMR study"
J. Phys. Soc. Jpn. 78, 123707 (2009).
Taisuke Suzuki, Ichihiro Yamauchi, Yasuhiro Shimizu, Masayuki Itoh, Nao Takeshita,Chieko Terakura, Hidenori Takagi, Yoshinori Tokura, Touru Yamauchi, and Yutaka Ueda
"High-pressure ⁵¹V NMR study of the magnetic phase diagram and metal-insulator transition in the quasi-one-dimensional β-Na_0.33V₂O₅"
Physical Review B 79, 081101(R) (2009).
Y. Shimizu, M. Takana, M. Itoh, T. Katsufuji
"Spin-singlet formation in the geometrically frustrated spinel oxide AlV₂O₄: ⁵¹V and ²⁷Al NMR measurements"
Physical Review B 78, 14423 (2008).
S. Yamashita, Y. Nakazawa, M. Oguni, Y. Oshima, H. Nojiri, Y. Shimizu, K. Miyagawa, K. Kanoda,
"Thermodynamic properties of a spin-1/2 spin-liquid in a κ-type organic salt"
Nature Physics 4, 459 (2008).
Y. Shimizu, H. Akimoto, H. Tsujii, A. Tajima, and R. Kato
"Mott Transition in a Valence-Bond Solid Insulator with a Triangular Lattice"
Physical Review Letters 99, 256403 (2007).
Hiromi Taniguchi, Takahiro Okuhata, Takuya Nagai, Kazuhiko Satoh, Nobuo Mori, Yasuhiro Shimizu, Masato Hedo, and Yoshiya Uwatoko
"Anomalous Pressure Dependence of Superconductivity in Layered Organic Conductor, κ-(BEDT-TTF)₄Hg_2.89Br₈"
Journal of the Physical Society of Japan, 76, 113709 (2007).
Y. Shimizu, H. Akimoto, H. Tsujii, A. Tajima, and R. Kato
"Reentrant Mott transition from a Fermi liquid to a spin-gapped insulator in an organic spin-1/2 triangular-lattice antiferromagnet"
J. Phys.: Condens. Matter 19(14), 145240/1-145240/5 (2007).
S. Ohira, Y. Shimizu, K. Kanoda, G. Saito,
"Spin Liquid State in κ-(BEDT-TTF)₂Cu₂(CN)₃ Studied by Muon Spin Relaxation Method"
Journal of Low Temperature Physics 142(3/4), 153-158 (2006).
T. Okuhata, T. Nagai, H. Taniguchi, K. Satoh, T. Itou, Y. Shimizu, K. Miyagawa, Y. Ishii, N. Tajima, and R. Kato
"High-pressure study of a doped-type organic superconductor, κ-(BEDT-TTF)₄Hg_2.89Br₈"
J. Low Temperature Physics, 142(3/4), 547-550 (2006).
I. Kezsmarki, Y. Shimizu, G. Mihaly, Y. Tokura, K. Kanoda, and G. Saito,
"Depressed charge gap in the triangular-lattice Mott insulator κ-(ET)₂Cu₂(CN)₃"
Physical Review B, 74, R201101 (2006).
Y. Shimizu, K. Miyagawa, K. Kanoda, M. Maesato, and G. Saito,
"Emergence of inhomogeneous moments from spin liquid in the triangular-lattice Mott insulator κ-(ET)₂Cu₂(CN)₃"
Physical Review B, 73, R140407 (2006).
K. Kurosaki, Y. Shimizu, K. Miyagawa, K. Kanoda, and G. Saito,
"Mott Transition from a Spin Liquid to a Fermi Liquid in the Spin-Frustrated Organic Conductor κ-(ET)₂Cu₂(CN)₃"
Physical Review Letters, 95, 177001 (2005).
Y. Shimizu, K. Miyagawa, K. Kanoda, M. Maesato, and G. Saito,
"Spin liquid in a spin-frustrated organic Mott insulator"
Progress of Theoretical Physics Supplement, 159, 52-60 (2005).
Yamamoto, K. Yakushi, Y. Shimizu and G. Saito,
"Infrared and Raman Study of the Charge-ordered State of θ-(ET)₂Cu₂CN[N(CN)₂]₂"
Journal of the Physical Society of Japan, 73, 2326-2332 (2004).
G. Saito, H. Yamochi, M. Maesato, Y. Yoshida, A. Ota, and Y. Shimizu
"Design of Organic (Super)Conductors and Study of Their Physical Properties"
NATO ASI "Organic Conductors, Superconductors and Magnets : From Synthesis to Molecular Electronics",
eds. L.Ouahab and E. Yagubskii, Kluwer Academic Pub., (2004), pp.19-44.
Y. Shimizu, K. Miyagawa, K. Kanoda, M. Maesato, and G. Saito,
"Spin liquid state in an organic Mott insulator with a triangular lattice"
Physical Review Letters, 91, 107001 (2003).
H. Yamochi, N. Sogoshi, Y. Shimizu, K. Matsumoto, and G. Saito,
"The crystal and electronic structure analysis of (OMTTF)₂[Ni(tdas)₂], where OMTTF = octamethylenetetrathiafulvalene and tdas = 1,2,5-thiadiazole-3,4-dithiolate"
Journal of Material Chemistry, 11, 2216 (2001).
Y. Shimizu, H. Takeda, M. Tanaka, M. Itoh, S. Niitaka, H. Takagi, Y. Ueda
"Anisotropic hyperfine coupling in vanadium oxides"
Journal of Physics: Conference Series 273, 012128/1-4 (2011).
T. Esaki, Y. Shimizu, T. Takami, M. Itoh, Z. He, and Y. Ueda
"Low-energy excitations proved by ⁵¹V NMR in the multiferroic Ni₃V₂O₈"
Journal of Physics: Conference Series, 200 012070 (2010).
I. Yamauchi, T. Suzuki, Y. Shimizu, M. Itoh, N. Takeshita, T. Yamauchi, Y. Ueda,
"Magnetic properties of the quasi-one-dimensional superconductor β-Na_0.33V₂O₅ under high pressure investigated by ⁵¹V NMR"
Physica C 470, S742 (2010).
Y. Shimizu, K. Okai, M. Itoh, M. Isobe, J.-I. Yamaura, and Y. Ueda
"Rotation of Hyperfine Fields at the V site in the Multiband Metal K₂V₈O₁₆"
Journal of Physics: Conference Series 200 012187 (2010).
H. Nanba, M. Horibe, T. Takami, Y. Shimizu, M. Itoh
"Spin Dynamics of the Frustrated Ferromagnetic-Chain System Ca₃Co₂O₆"
J. Physics: Conf. Series 150, 042140 (2009).
K. Okai, M. Itoh, Y. Shimizu, M. Isobe, J. Yamaura, Y. Ueda
"Metal-Insulator Transition in the Hollandite Vanadate K₂V₈O₁₆ Investigated by ⁵¹V NMR Measurements"
J. Physics: Conf. Series 150, 042155 (2009).
Y. Shimizu, M. Tanaka, M. Itoh, T. Katsufuji
"Microscopic Observation of the Spin-Singlet Cluster in the Frustrated Spinel AlV₂O₄"
J. Physics: Conf. Series 150, 042181 (2009).
I. Yamauchi, M. Itoh, Y. Shimizu, T. Yamauchi, Y. Ueda
"Local Spin Susceptibility in the Metallic Phase of the Quasi-One-Dimensional Conductor β-Li_0.33V₂O₅"
J. Physics: Conf. Series 150, 042236 (2009).
I. Yamauchi, M. Itoh, Y. Shimizu, T. Yamauchi, Y. Ueda
"Spin Diffusion in the Quasi-One-Dimensional Conductor β-Na_0.33V₂O₅"
J. Physics: Conf. Series 150, 042237 (2009).
Y. Shimizu, K. Miyagawa, K. Kanoda, M. Maesato, and G. Saito,
"Inhomogeneous spin state in a spin liquid on a triangular lattice under a magnetic field"
AIP Conference Proceedings, 850, 611 (2006).
Y. Shimizu, H. Kasahara, K. Kurosaki, K. Miyagawa, K. Kanoda, M. Maesato, and G. Saito,
"Superconductivity emerging from spin-liquid Mott insulator in triangular lattice system"
AIP Conference Proceedings, 850, 1087 (2006).
Y. Shimizu, Y. Kurosaki, K. Miyagawa, K. Kanoda, M. Maesato, and G. Saito,
"NMR study of spin liquid state and Mott transition in the spin-frustrated organic system, κ-(ET)₂Cu₂(CN)₃"
Synthetic Metals, 152, 393-396 (2005).
M. Maesato, Y. Shimizu, T. Ishikawa, G. Saito, K. Miyagawa, and K. Kanoda,
"Spin-liquid behavior and superconductivity in κ-(BEDT-TTF)₂X: The role of uniaxial strain"
Journal de Physique IV (France), 114, 227-231 (2004).
Y. Shimizu, K. Miyagawa, K. Kanoda, M. Maesato, and G. Saito,
"¹H NMR study of the organic Mott insulator with triangular lattice, κ-(ET)₂Cu₂(CN)₃"
Journal de Physique IV (France), 114, 377-378 (2004).
Y. Shimizu, M. Maesato, G. Saito, K. Miyagawa, and K. Kanoda,
"Magnetic properties of a Mott insulator κ-(ET)₂Cu₂(CN)₃"
Synthetic Metals, 137, 1247-1248 (2003).
Y. Shimizu, M. Maesato, G. Saito, O.O.Drozdova, and L. Ouahab,
"Transport properties of a Mott insulator κ-(ET)₂Cu₂(CN)₃ under the uniaxial strain"
Synthetic Metals, 133-134, 225-226 (2003).
M. Maesato, Y. Shimizu, T. Ishikawa, and G. Saito,
"Anisotropy in the superconducting transition temperature of k-(ET)₂X"
Synthetic Metals 137, 1243 (2003).
Y.Shimizu, M. Maesato, K. Ookubo, O. O.Drozdova, and G. Saito,
"Superconductivity of a θ-type ET salt prepared using CuCN and Ph₄PN(CN)₂ as electrolyte"
Molecular Crystals Liquid Crystals, 380, 135 (2002).