Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Yoshio, Katsuya"'
Autor:
Okkyun Seo, Jae Myung Kim, Chulho Song, Yanfang Lou, L. S. R. Kumara, Satoshi Hiroi, Yanna Chen, Yoshio Katsuya, Yoshihiro Irokawa, Toshihide Nabatame, Yasuo Koide, Osami Sakata
Publikováno v:
AIP Advances, Vol 8, Iss 7, Pp 075318-075318-7 (2018)
We evaluated the lattice curvature, crystallinity, and crystalline homogeneity of a GaN layer on a free standing GaN substrate using lattice orientation measurements, θ rocking curves, and reciprocal space mapping from synchrotron X-ray diffraction
Externí odkaz:
https://doaj.org/article/b4fd65f4da784eac98aaf3a38d4a6606
Autor:
Dmitry D. Khalyavin, Kazunari Yamaura, Fumiyasu Oba, Ran Liu, Yoshio Katsuya, Naoki Tsunoda, Masahiko Tanaka, Yu Kumagai, Alexei A. Belik
Publikováno v:
Inorganic Chemistry. 58:14830-14841
Y2MnGa(Mn4–xGax)O12 solid solutions were synthesized at high pressure of ∼6 GPa and high temperature of ∼1570 K for the 0 ≤ x ≤ 3 compositional range. Synchrotron X-ray and neutron powder diffraction were used to study the crystal structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45360ed350280cc1054b542b7313b232
https://doi.org/10.1021/acs.inorgchem.9b02542
https://doi.org/10.1021/acs.inorgchem.9b02542
Publikováno v:
Journal of Alloys and Compounds. 793:42-48
A-site-ordered quadruple perovskite CeCu3Cr4O12 was prepared by a high-pressure, high-temperature method at 7.7 GPa and about 1670 K. Its crystal structure was investigated using synchrotron X-ray powder diffraction between 100 and 590 K. In this tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ccf18eb6459099f15b7fcc049c9268ee
https://doi.org/10.1016/j.jallcom.2019.04.128
https://doi.org/10.1016/j.jallcom.2019.04.128
Autor:
Masahiko Tanaka, Yoshio Katsuya, Alexei A. Belik, Kazunari Yamaura, Lei Zhang, Yoshitaka Matsushita
Publikováno v:
Journal of Solid State Chemistry. 275:43-48
High-pressure RMn3O6 manganites (belonging to a family of A-site columnar-ordered quadruple perovskites A2A′A″B4O12, where A′ is a site with a square-planar coordination and A″ is a site with a tetrahedral coordination) are prone to cation no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4623b6e2f6d798eb56a699f899999632
https://doi.org/10.1016/j.jssc.2019.04.004
https://doi.org/10.1016/j.jssc.2019.04.004
Autor:
Yoshitaka Matsushita, Rongfu Zhou, Weijie Zhou, Yoshihiro Tsujimoto, Jie Chen, Masahiko Tanaka, Kazunari Yamaura, Meixia Wu, Yoshio Katsuya, Man-Rong Li, Hongbin Liang, Martin Jansen, Lirong Zheng, Alexei A. Belik, Hai L. Feng
Publikováno v:
Journal of Solid State Chemistry. 272:182-188
A new polymorph of the triple perovskite Ba3CuOs2O9, which usually exists in the orthorhombic phase, was synthesized under high-pressure and high-temperature conditions at 6 GPa and 1100 °C. Under the synthetic condition, Ba3CuOs2O9 crystallizes int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ea2135af0a25aa65e83a7e6015d5106
https://doi.org/10.1016/j.jssc.2019.02.003
https://doi.org/10.1016/j.jssc.2019.02.003
Autor:
Akhil Tayal, Yanna Chen, Toshiaki Ina, Okkyun Seo, Osami Sakata, Mamoru Yoshimoto, Yuki Ikeya, Satoshi Hiroi, Jaemyung Kim, Shiori Takano, Yoshio Katsuya, Akifumi Matsuda, Chulho Song
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-9 (2019)
Scientific Reports
Scientific Reports
We have investigated the structural, optical band gap, and electrical properties of (Fe2O3)0.5x:(NiO)1 − 0.5x (x = 0.3, 0.4, 0.5, 0.6 and 0.7) epitaxial thin films grown on an atomically smooth substrate at room temperature. With increasing Fe2O3 c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae4afb8bf70f8f128fa3e254d326b77f
http://link.springer.com/article/10.1038/s41598-019-41049-9
http://link.springer.com/article/10.1038/s41598-019-41049-9
Autor:
Ran Liu, Masahiko Tanaka, Lei Zhang, Alexei A. Belik, Kazunari Yamaura, Yoshio Katsuya, Dmitry D. Khalyavin
Publikováno v:
Inorganic Chemistry. 58:3492-3501
Sm2MnMn(Mn4–xTix)O12 with 1 ≤ x ≤ 3 were prepared by a high-pressure, high-temperature method at 6 GPa and about 1570–1670 K. They belong to a family of A-site columnar-ordered quadruple perovskite...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45103e306d4854bd0e453109862cfdd9
https://doi.org/10.1021/acs.inorgchem.9b00049
https://doi.org/10.1021/acs.inorgchem.9b00049
Autor:
Yuki Ikeya, Akhil Tayal, Chulho Song, Okkyun Seo, Jaemyung Kim, Yoshio Katsuya, Shiori Takano, Jiayi Tang, Mamoru Yoshimoto, Yong Tae Kim, Akifumi Matsuda, Osami Sakata, Nodo Lee
Publikováno v:
Applied Surface Science. 533
Herein, we investigated the influence of oxygen partial pressure (pO2) on average long- and short-range transformations in the crystal structures of ultra-smooth Fe2O3-doped NiO thin films that were epitaxially grown at room temperature. The films we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e41d3f01cb6051bc1d11ec8a15046ddd
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100833479
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100833479
Autor:
Osami Sakata, Chulho Song, Satoshi Hiroi, Okkyun Seo, Jaemyung Kim, Sung Su Lee, Yoshio Katsuya, Yanna Chen
Publikováno v:
Journal of the Korean Physical Society. 73:1529-1534
We used in-situ synchrotron X-ray scattering to investigate phase transformations of octahedral tilted monoclinic SrRuO3 (MSRO) and tetragonal SRO (TSRO) thin films on SrTiO3 (STO) substrates. The octahedral tilted MSRO thin films were highly crystal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::755da50a448ed8ec6106f5693fdacb7f
https://doi.org/10.3938/jkps.73.1529
https://doi.org/10.3938/jkps.73.1529
Autor:
Madhav Prasad Ghimire, Liu Hao Tjeng, Shih-Chang Weng, Sheng Chieh Liao, Masahiko Tanaka, Yoshitaka Matsushita, Hong-Ji Lin, Stefano Agrestini, Zhiwei Hu, Kazunari Yamaura, Jie Chen, Manuel Valvidares, Arata Tanaka, Martha Greenblatt, Hai L. Feng, Chien-Te Chen, Yahua Yuan, François Baudelet, Kai Chen, Yoshihiro Tsujimoto, Yoshio Katsuya
Publikováno v:
Physical Review Materials. 3
Room-temperature ferrimagnetism was discovered for the anti-site-disordered perovskite $\mathrm{C}{\mathrm{a}}_{2}\mathrm{MnOs}{\mathrm{O}}_{6}$ with ${T}_{\mathrm{c}}=305\phantom{\rule{0.16em}{0ex}}\mathrm{K}$. $\mathrm{C}{\mathrm{a}}_{2}\mathrm{MnO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17452342047d96fd6859b3069b896743
https://doi.org/10.1103/physrevmaterials.3.124404
https://doi.org/10.1103/physrevmaterials.3.124404