研究者詳細 - 谷山　智康

論文 - 谷山　智康

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Ferromagnetic phase nucleation and its growth evolution in FeRh thin films 査読有り国際誌

A. S. Komlev, D. Y. Karpenkov, D. A. Kiselev, T. S. Ilina, A. Chirkova, R. R. Gimaev, T. Usami, T. Taniyama, V. I. Zverev, N. S. Perov

J. Alloys and Comp. 874 巻頁： 159924 2021年4月

Temperature dependence of the effective Gilbert damping constant of FeRh thin films 査読有り国際誌

T. Usami, M. Itoh, T. Taniyama

AIP Advances 11 巻 ( 4 ) 頁： 045302 - 045302 2021年4月

Shear-strain-mediated large nonvolatile tuning of ferromagnetic resonance by electric field in multiferroic heterostructures 査読有り

M. Zheng, T. Usami, T. Taniyama

NPG Asia Mater. 13 巻頁： 7 2021年1月

Electric-field tunable anisotropic magnetoresistance effect in an epitaxial Co2FeSi/BaTiO3 interfacial multiferroic system 査読有り

S. Yamada, Y. Teramoto, D. Matsumi, D. Kepaptsoglou, I. Azaceta, T. Murata, K. Kudo, V. K. Lazarov, T. Taniyama, K. Hamaya

Phys. Rev. Mater. 5 巻 ( 1 ) 頁： 014412 2021年1月

In-plane ferroelectricity and enhanced Curie temperature in perovskite BaTiO3 epitaxial thin films 査読有り

K. Komatsu, I. Suzuki, T. Aoki, Y. Hamasaki, S. Yasui, M. Itoh, T. Taniyama

Appl. Phys. Lett. 117 巻 ( 7 ) 頁： 072902 2020年8月

Epitaxial strain engineering of luminescent properties in ZnGa2O4:Mn thin films 査読有り

T. Dazai, S. Yasui, T. Taniyama, M. Itoh

Appl. Phys. Express 13 巻 ( 8 ) 頁： 082004 2020年7月

Bandgap tuning and optimization of green-emitting Zn2SnO4-Mg2SnO4:Mn2+ using combinatorial pulsed laser deposition 査読有り

T. Dazai, S. Yasui, T. Taniyama, M. Itoh

Ceram. Int. 46 巻 ( 13 ) 頁： 21771 - 21774 2020年5月

Switchable third ScFeO3 polar ferromagnet with YMnO3-type structure 査読有り

Y. Hamasaki, T. Katayama, S. Yasui, T. Shiraishi, A. Akama, T. Kiguchi, T. Taniyama, and M. Itoh

J. Mater. Chem. C 8 巻頁： 4447 - 4452 2020年4月

The effects of BaTiO3 nanodots density support on epitaxial LiCoO2 thin-film for high-speed rechargeability 査読有り国際誌

Sou Yasuhara, Shintaro Yasui, Takashi Teranishi, Yumi Yoshikawa, Tomoyasu Taniyama, Mitsuru Itoh

Electrochem. Commun. 109 巻頁： 106604 2019年12月

The effect of relative permittivity of surface supporting materials for high-speed rechargeable LiCoO2 cathode film 査読有り国際誌

Sou Yasuhara, Shintaro Yasui, Takashi Teranishi, Yumi Yoshikawa, Tomoyasu Taniyama, Mitsuru Itoh

J. Power Sources 441 巻頁： 227194 2019年11月

Voltage-driven strain-induced coexistence of both volatile and non-volatile interfacial magnetoelectric behaviors in LSMO/PMN-PT (001) 招待有り査読有り

S. P. Pati, T. Taniyama

J. Phys. D: Appl. Phys. 53 巻 ( 5 ) 頁： 054003 2019年11月

Compositional dependence of Gilbert damping constant of epitaxial Fe100-xRhx thin films 査読有り

T. Usami, M. Itoh, T. Taniyama

Appl. Phys. Lett. 115 巻 ( 14 ) 頁： 142403 2019年10月

Strain-induced reversible manipulation of orbital magnetic moments in Ni/Cu multilayers on ferroelectric BaTiO3 査読有り国際誌

J. Okabayashi, Y. Miura, T. Taniyama

NPJ Quantum Mater. 4 巻 ( 1 ) 頁： 21 2019年5月

Enhancement of Ultrahigh Rate Chargeability by Interfacial Nanodot BaTiO3 Treatment on LiCoO2 Cathode Thin Film Batteries.

Yasuhara S, Yasui S, Teranishi T, Chajima K, Yoshikawa Y, Majima Y, Taniyama T, Itoh M

Nano letters 2019年2月

Growth of CuSbS2 single crystal as an environmentally friendly thermoelectric material 査読有り

A. Nagaoka, M. Takeuchi, K Yoshino, S Ikeda, S. Yasui, T. Taniyama, K. Nishioka

Phys. Status Solidi (a) 216 巻頁： 1800861 2019年2月

Ferroelectric and ferrimagnetic properties of ε-RhxFe21xO3 thin films 国際誌

S. Yasui, T. Katayama, T. Osakabe, Y. Hamasaki, T. Taniyama, M. Itoh

J. Ceram. Soc. Jpn. 127 巻 ( 7 ) 頁： 474 - 477 2019年1月

記述言語：英語掲載種別：研究論文（学術雑誌）

RhxFe2−xO3 solid-solution epitaxial thin films were prepared by pulsed laser deposition. The ferroelectricity of Rh0.15Fe1.85O3 thin film was presented by the result of piezoelectric force microscopy phase and amplitude loops measured at room temperature. Ferrimagnetism at room temperature is confirmed by the magnetic hysteresis loop. The coercive field of Rh0.15Fe1.85O3 thin film at 5 K is 12 kOe, which is larger than that of ε-Fe2O3. Rh0.15Fe1.85O3 is confirmed to be a room temperature multiferroic material.

DOI： 10.2109/jcersj2.19048

Web of Science

Scopus

Magnetic properties of single crystal GaFeO3 査読有り

K. Tachiyama, S. Yasui, B. N. A. Rao, T. Dazai, T. Usami, T. Taniyama, T. Katayama, Y. Hamasaki, J. Yu, H. He, H. Wang, M. Itoh

MRS Advances 4 巻 ( 1 ) 頁： 61 - 66 2019年

Effects of chalcogen composition on the thermoelectric properties in Cu2ZnSn(S1-xSex)(4) single crystals

Nagaoka Akira, Masuda Taizo, Yasui Shintaro, Taniyama Tomoyasu, Nose Yoshitaro

JAPANESE JOURNAL OF APPLIED PHYSICS 57 巻 ( 10 ) 2018年10月

The single-crystal multinary compound Cu2ZnSnS4 as an environmentally friendly high-performance thermoelectric material 査読有り国際誌

Akira Nagaoka, Taizo Masuda, Shintaro Yasui, Tomoyasu Taniyama, Yoshitaro Nose

Appl. Phys. Express 11 巻 ( 5 ) 2018年5月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Japan Society of Applied Physics

We investigated the thermoelectric properties of high-quality p-type Cu2ZnSnS4 single crystals. This material showed two advantages: low thermal conductivity because of lattice scattering caused by the easily formed Cu/Zn disordered structure, and high conductivity because of high doping from changes to the composition. All samples showed a thermal conductivity of 3.0 W m%1 K%1 at 300 K, and the Cu-poor sample showed a conductivity of 7.5 S/cm at 300 K because of the high density of shallow-acceptor Cu vacancies. The figure of merit of the Cu-poor Cu2ZnSnS4 reached 0.2 at 400 K, which is 1.4–45 times higher than those of related compounds.

DOI： 10.7567/APEX.11.051203

Web of Science

Scopus

その他リンク： http://orcid.org/0000-0003-3683-5416

Strain-mediated magnetic response in La0.67Sr0.33MnO3/SrTiO3/La0.67Sr0.33MnO3/BaTiO3 structure 査読有り

Swain Anupama, Komatsu Katsuyoshi, Itoh Mitsuru, Taniyama Tomoyasu, Gorige Venkataiah

AIP ADVANCES 8 巻 ( 5 ) 2018年5月

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