Search Results - "HIROI, Zenji"

Structural instability of the rutile compounds and its relevance to the metal–insulator transition of VO2 by Hiroi, Zenji

“…The metal–insulator transition (MIT) of VO2 is discussed with particular emphasis on the structural instability of the rutile compounds toward dimerization. Ti…”
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Possible observation of quantum spin-nematic phase in a frustrated magnet by Kohama, Yoshimitsu, Ishikawa, Hajime, Matsuo, Akira, Kindo, Koichi, Shannon, Nic, Hiroi, Zenji

“…Water freezes into ice in winter and evaporates into vapor in summer. Scientifically, the transformations between solid, liquid, and gas are called phase…”
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Expanding frontiers in materials chemistry and physics with multiple anions by Kageyama, Hiroshi, Hayashi, Katsuro, Maeda, Kazuhiko, Attfield, J. Paul, Hiroi, Zenji, Rondinelli, James M., Poeppelmeier, Kenneth R.

“…During the last century, inorganic oxide compounds laid foundations for materials synthesis, characterization, and technology translation by adding new…”
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Weak Anisotropic Lithium-Ion Conductivity in Single Crystals of Li10GeP2S12 by Iwasaki, Rui, Hori, Satoshi, Kanno, Ryoji, Yajima, Takeshi, Hirai, Daigorou, Kato, Yuki, Hiroi, Zenji

“…Single crystals of the lithium-ion conductor Li10GeP2S12 have been successfully grown by the self-flux method and are studied by means of X-ray diffraction and…”
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Superconductivity in the Topological Nodal-line Semimetal NaAlSi by Yamada, Takahiro, Hirai, Daigorou, Yamane, Hisanori, Hiroi, Zenji

“…NaAlSi is an sp electron superconductor crystallizing in a layered structure of the anti-PbFCl type with a relatively high transition temperature Tc of ~7 K…”
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Dimensional reduction by geometrical frustration in a cubic antiferromagnet composed of tetrahedral clusters by Okuma, Ryutaro, Kofu, Maiko, Asai, Shinichiro, Avdeev, Maxim, Koda, Akihiro, Okabe, Hirotaka, Hiraishi, Masatoshi, Takeshita, Soshi, Kojima, Kenji M., Kadono, Ryosuke, Masuda, Takatsugu, Nakajima, Kenji, Hiroi, Zenji

“…Dimensionality is a critical factor in determining the properties of solids and is an apparent built-in character of the crystal structure. However, it can be…”
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Emergence of nontrivial magnetic excitations in a spin-liquid state of kagomé volborthite by Watanabe, Daiki, Sugii, Kaori, Shimozawa, Masaaki, Suzuki, Yoshitaka, Yajima, Takeshi, Ishikawa, Hajime, Hiroi, Zenji, Shibauchi, Takasada, Matsuda, Yuji, Yamashita, Minoru

“…When quantum fluctuations destroy underlying long-range ordered states, novel quantum states emerge. Spin-liquid (SL) states of frustrated quantum…”
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Anisotropic Triangular Lattice Realized in Rhenium Oxychlorides A3ReO5Cl2 (A = Ba, Sr) by Hirai, Daigorou, Yajima, Takeshi, Nawa, Kazuhiro, Kawamura, Mitsuaki, Hiroi, Zenji

“…We report the synthesis, crystal structure, and magnetic properties of the two new quantum antiferromagnets A3ReO5Cl2 (A = Sr, Ba). The crystal structure is…”
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Thermal Hall Effects of Spins and Phonons in Kagome Antiferromagnet Cd-Kapellasite by Akazawa, Masatoshi, Shimozawa, Masaaki, Kittaka, Shunichiro, Sakakibara, Toshiro, Okuma, Ryutaro, Hiroi, Zenji, Lee, Hyun-Yong, Kawashima, Naoki, Han, Jung Hoon, Yamashita, Minoru

“…We investigate the thermal-transport properties of the kagome antiferromagnet Cd-kapellasite (Cd-K). We find that a field-suppression effect on the…”
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Unusual Resistive Transitions in the Nodal-Line Semimetallic Superconductor NaAlSi by Hirai, Daigorou, Ikenobe, Toshiya, Yamada, Takahiro, Yamane, Hisanori, Hiroi, Zenji

“…NaAlSi is a quasi-two-dimensional semimetal with superconductivity below Tc = 6.8 K and a band structure characterized by nodal lines near the Fermi level and…”
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Interplay between Quadrupolar and Magnetic Interactions in 5d1 Double Perovskite Ba2MgReO6 under Pressure by Arima, Hiroto, Oshita, Yoshiaki, Hirai, Daigorou, Hiroi, Zenji, Matsubayashi, Kazuyuki

“…We measured the electrical resistivity, AC magnetic susceptibility, and specific heat of the cubic double perovskite Ba2MgReO6 under pressure. The application…”
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Na3Pt10Si5: A Non-Centrosymmetric Superconductor Having Rattling Na Atoms in the Tunnel Framework Structure by Yamada, Takahiro, Hirai, Daigorou, Hiroi, Zenji, Yamane, Hisanori

“…Single crystals of a novel Na–Pt–Si ternary compound, Na3Pt10Si5, were synthesized by heating the constituent elements at 1423 K. It crystallizes in a…”
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Orbital Transitions and Frustrated Magnetism in the Kagome-Type Copper Mineral Volborthite by Hiroi, Zenji, Ishikawa, Hajime, Yoshida, Hiroyuki, Yamaura, Jun-ichi, Okamoto, Yoshihiko

“…Volborthite Cu3V2O7(OH)2·2H2O is a copper mineral that materializes a two-dimensional quantum magnet comprising a kagome net of spin-1/2 Cu2+ ions. We prepared…”
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Pseudogap Formation in the Nodal-Line Semimetal NaAlGe by Yamada, Takahiro, Hirai, Daigorou, Oguchi, Tamio, Yamane, Hisanori, Hiroi, Zenji

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Magnetic Order in the Spin-1/2 Kagome Antiferromagnet Vesignieite by Yoshida, Makoto, Okamoto, Yoshihiko, Takigawa, Masashi, Hiroi, Zenji

“…We report results of magnetic susceptibility and 51 V- and 63,65 Cu-NMR measurements on a high-quality powder sample of vesignieite BaCu 3 V 2 O 8 (OH) 2 , a…”
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Facile synthetic route to transition metal oxyfluorides via reactions between metal oxides and PTFE by Hirai, Daigorou, Sawai, Osamu, Nunoura, Teppei, Hiroi, Zenji

“…[Display omitted] •Five oxyfluorides (Nb5O12F, Nb3O7F, Ta3O7F, TaO2F, and Mo4O11.2F0.8) were synthesized.•Oxyfluorides were prepared by reactions between…”
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Robust ferromagnetism carried by antiferromagnetic domain walls by Hirose, Hishiro T., Yamaura, Jun-ichi, Hiroi, Zenji

“…Ferroic materials, such as ferromagnetic or ferroelectric materials, have been utilized as recording media for memory devices. A recent trend for downsizing,…”
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Frustrated Magnetism of Pharmacosiderite Comprising Tetrahedral Clusters Arranged in the Primitive Cubic Lattice by Okuma, Ryutaro, Yajima, Takeshi, Fujii, Tatsuo, Takano, Mikio, Hiroi, Zenji

“…We show that pharmacosiderite is a novel cluster antiferromagnet comprising frustrated regular tetrahedra consisting of spin-5/2 Fe3+ ions arranged in the…”
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Synthesis of anti-perovskite-type carbides and nitrides from metal oxides and melamine by Hirai, Daigorou, Tanaka, Hidetake, Nishio-Hamane, Daisuke, Hiroi, Zenji

“…Four anti-perovskite-type compounds, ZnNNi 3 , ZnCNi 3 , SnNCo 3 , and SnCCo 3 , are synthesised through reactions between metal oxides and organic compound…”
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All-in-all-out magnetic domains: x-ray diffraction imaging and magnetic field control by Tardif, Samuel, Takeshita, Soshi, Ohsumi, Hiroyuki, Yamaura, Jun-ichi, Okuyama, Daisuke, Hiroi, Zenji, Takata, Masaki, Arima, Taka-hisa

“…Long-range noncollinear all-in-all-out magnetic order has been directly observed for the first time in real space in the pyrochlore Cd_{2}Os_{2}O_{7} using…”
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