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奥部真樹 研究業績一覧 (44件)
論文
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Maki Okube,
Jumpei Yoshizaki,
TAKESHI TOYODA,
SATOSHI SASAKI.
Cation distribution and magnetic structure of M-type BaTiMnFe10O19 examined by synchrotron X-ray and neutron studies,
J. Appl. Crystallogr,
International Union of Crystallography,
Vol. 49,
p. 1433,
Sept. 2016.
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Tomotaka Nakatani,
AKIRA YOSHIASA,
Akihiko Nakatsuka,
Tatsuya Hiratoko,
Tsutomu Mashimo,
Maki Okube,
SATOSHI SASAKI.
High temperature single-crystal X-ray diffraction study of tetragonal and cubic perovskite-type barium titanate phases,
Acta Crystallogr. B,
International Union of Crystallography,
Vol. 57,
p. 151,
Feb. 2016.
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Maki Okube,
Satoshi Sasaki.
Site-specific electronic structures of ferrimagnetic Fe3O4 measured by resonant X-ray magnetic scattering,
Journal of Applied Crystallography,
Vol. 47,
No. 4,
p. 1387–1394,
Aug. 2014.
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奥部真樹,
佐々木 聡.
共鳴散乱と結晶構造解析,
日本結晶学会誌,
Vol. 56,
No. 3,
p. 158-165,
June 2014.
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Valery Petrykin,
Kateřina Macounová,
Maki Okube,
Sanjeev Mukerjee,
Petr Krtil.
Local structure of Co doped RuO2 nanocrystalline electrocatalytic materials for chlorine and oxygen evolution,
Catalysis Today,
202,
63,
Mar. 2013.
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Maki Okube,
Takuya Yasue,
Satoshi Sasaki.
Residual-density mapping and site-selective determination of anomalous scattering factors to examine the origin of Fe K pre-edge peak of magnetite,
J. Synchrotron Rad.,
Vol. 19,
No. 5,
pp. 759-767,
Aug. 2012.
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Hiroki Okudera,
Akira Yoshiasa,
Kei-Ichiro Murai,
Maki Okube,
Takashi Takeda,
Shinichi Kikkawa.
Local structure of magnetite and maghemite and chemical shift in Fe K-edge XANES,
Journal of Mineralogical and Petrological Sciences,
Volume 107,
3,
page 127,
June 2012.
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Akihiko Nakatsuka,
Mami Shimokawa,
Noriaki Nakayama,
Osamu Ohtaka,
Hiroshi Arima,
Maki Okube,
Akira Yoshiasa.
Static disorders of atoms and experimental determination of Debye temperature in pyrope: Low- and high-temperature single-crystal X-ray diffraction study,
American Mineralogist,
Volume 96,
Page 1593-1605,
Oct. 2011.
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Ling Wang,
Akira Yoshiasa,
Maki Okube,
Takashi Takeda.
Titanium local structure in tektite probed by X-ray absorption fine structure spectroscopy,
Journal of Synchrotron Radiation,
Volume 18,
Page 885-890,
Oct. 2011.
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Takeshi Toyoda,
Sasaki Naoya,
Shimada Kazuhiro,
Maki Okube,
Satoshi Sasaki.
High-Temperature Thermoelectric Property of Layered La2-2xCa1+2xMn2O7 Manganites (0.75 ≤ x ≤ 1.0),
Japanese Journal of Applied Physics,
Vol. 50,
041101,
1-6,
Apr. 2011.
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Valery Petrykin,
Maki Okube,
H. Yamane,
SATOSHI SASAKI,
KAKIHANA MASATO.
Sr2ZnS3: Crystal Structure and Fluorescent Properties of a New Eu(II)-Activated Yellow Emission Phosphor,
Chem. Mater.,
22,
5800-5802,
Oct. 2010.
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Yuhei Kaneko,
Maki Okube,
SATOSHI SASAKI.
Estimation of the Magnetic Electron-Density Distribution by RXMS at the Electronic Transition in Absorption Edge,
Synchrotron Radiation Instrumentations SRI2009,
Am. Inst. Phys. Conf. Proc.,
Am. Inst. Phys.,
Vol. 1234,
pp. 871-874,
June 2010.
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Maki Okube,
Yuhei Kaneko,
SEIJI OHSAWA,
TAKESHI TOYODA,
TAKEHARU MORI,
SATOSHI SASAKI.
Site-Selective Determination of Magnetic Helices in BaTiCoFe10O19 by Resonant Magnetic Scattering,
Synchrotron Radiation Instrumentations SRI2009,
Am. Inst. Phys. Conf. Proc.,
Am. Inst. Phys.,
Vol. 1234,
pp. 871-874,
June 2010.
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Shinichi Yamamoto,
Shinichi Kikkawa,
Yuji Masubuchi,
Takashi Takeda,
Maki Okube,
Akira Yoshiasa,
Marck Lumey,
Richard Dronskowski.
Preparation of gallium oxynitride in the presence of iron through a citrate route,
Materials Research Bulletin,,
Vol. 44,
no. 8,
Page 1656-1659,
June 2009.
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Akira Yoshiasa,
Osamu Ohtaka,
Daisuke Sakamoto,
Denis Andrault,
Hiroshi Fukui,
Maki Okube.
Pressure and compositional dependence of electric conductivity in the (Mg1-xFex)1-δO (x=0.01-0.40) solid-solution,
Solid State Ionics,
vol. 180,
no. 6-8,
501-505,
May 2009.
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Eiji Ito,
HirosHi Fukui,
Tomoo Katsura,
Anton Shatzkiy,
Atsushi Kubo,
Sho Yokoshi,
Kazuyuki Kawabe,
Shuangmeng Zhai,
Maki Okube,
Akifumi Nozawa,
Ken-ichi Funakoshi.
Determination of high-pressure phase equilibria of Fe2O3 using the Kawai-type apparatus equipped with sintered diamond anvils,
American Mineralogist,
Vol. 94,
2-3,
Page 205–209,
Feb. 2009.
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SYOICHI SAKURAI,
SATOSHI SASAKI,
MAKI OKUBE,
HIROKI OHARA,
TAKESHI TOYODA.
Cation distribution and valence state in Mn-Zn ferrite examined by synchrotron X-rays,
Physica B,
403,
3589-3595,
Aug. 2008.
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Masahiko Sugahara,
Akira Yoshiasa,
Akira Yoneda,
Takafumi Hashimoto,
Maki Okube,
Akihiko Nakatsuka.
Single-crystal X-ray diffraction study of CaIrO3,
American Mineralogist,
Vol. 93,
No. 5-6,
p. 1148-1152,
July 2008.
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Tomoo Katsura,
S Yokoshi,
K Kawabe,
Maki Okube,
A SHATSKIY,
Hiroshi Fukui,
Ito Eiji,
Ken'ichi Funakoshi.
Pressure dependence of electrical conductivity of (Mg,Fe)SiO3 ilmenite,
Physics and Chemistry of Minerals,
Vol. 34,
pp. 294,
Feb. 2007.
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Akira Yoshiasa,
Maki Okube,
Hiroki Okudera,
Akihiko Nakatsuka,
Masatomo Yashima,
Atsushi Aakai,
Mizuki Mori,
Roushown Ali.
XAFS Study of A-site Deficient La0.63Ti0.92Nb0.08O3 Perovskite,
Physica Scripta,
Vol. T115,
pp. 372-374,
2005.
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Maki Okube,
Akira Yoshiasa,
Masatomo Yashima,
Kentaro Ohuchi,
Taijyu Ishimura,
Chiya Numako,
Kichiro Koto.
XAFS study of the perovskite-type proton conductor SrZr0.9Yb0.1O3-,
Physica Scripta,
Vol. T115,
pp. 375-377,
2005.
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Akira Yoshiasa,
Maki Okube,
Osamu Kamishima,
Hiroshi Arima,
Hiroki Okudera,
Yasuko Terada,
Akihiko Nakatsuka.
Anharmonic effective pair potentials in α-,β-, and γ-CuI determined by extended X-ray absorption fine structure,
Solid State Ionics,
Vol. 176,
No. 31-34,
pp. 2487-2491,
2005.
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Maki Okube,
Eiji Ito,
Akira Yoshiasa,
Takuya Matsumoto,
Yasuko Terada,
Satoshi Sasaki.
Accommodation mechanism of Kr trapped in terrestrial and planetary materials,
Acta Crystallographica A,
Vol. 61,
pp. C374,
2005.
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M. Okube,
A. Yoshiasa,
O. Ohtaka,
H. Fukui,
Y. Katayama,
W. Utsumi.
Anharmonic effective pair potentials of gold under high pressure and high temperature,
Journal of Physics: Condensed Matter,
Vol. 14,
pp. 11511-11515,
2002.
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O. Ohtaka,
A. Yoshiasa,
H. Fukui,
K. Murai,
M. Okube,
H. Takebe,
Y. Katayama,
W. Utsumi.
XAFS Study of GeO2 Glass under Pressure,
Journal of Physics: Condensed Matter,
Vol. 14,
pp. 10521-10524,
2002.
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M. Okube,
A. Yoshiasa,
O. Ohtaka,
H. Fukui,
Y. Katayama,
W. Utsumi.
Anharmonicity of gold under high-pressure and high-temperature,
Solid State Communication,
Vol. 121,
pp. 235-239,
2002.
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Akira Yoshiasa,
Kenji nakajima,
Kei-ichiro Murai,
Maki Okube.
Anharmonic effective pair potentials in CaTiO3, SrTiO3 and CaGeO3 perovskite.,
Journal of Synchrotron Radiation,
Vol. 8,
pp. 791-793,
2001.
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O. Ohtaka,
A. Yoshiasa,
H. Fukui,
M. Murai,
M. Okube,
Y. Katayama,
W. Utsumi,
Y. Nishihata.
Structural changes of quartz-type crystalline and vitreous GeO2,
Journal of Synchrotron Radiation,
Vol. 8,
937-940,
2001.
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Maki OKUBE,
Akira YOSHIASA.
Anharmonic effective pair potentials of VIII and Ib group fcc metals,
Journal of Synchrotron Radiation,
Vol. 8,
pp. 937-939,
2001.
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Akira YOSHIASA,
Maki OKUBE,
Osamu OHTAKA,
Osamu KAMISHIMA,
Yoshinori KATAYAMA.
Anharmonic Effective Pair Potentials of γ- and α-CuBr at High Pressure,
Japanese Journal of Applied Physics,
Vol. 39,
pp. 6747-6751,
2000.
国際会議発表 (査読有り)
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Maki Okube,
Satoshi Sasaki.
Accurate determination of anomalous scattering factor near Fe K absorption edge,
The 11th International Conference on Synchrotron Radiation Instrumentation, SRI2012,
Journal of Physics: Conf. Ser.,
IOP Publishing,
Vol. 425,
202002,
Apr. 2013.
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Maki Okube,
Atsushi Kinoshita,
Jumpei Yoshizaki,
Takeshi Toyoda,
Satoshi Sasaki.
Spin orientation in (Ti-Mn) Ba ferrite estimated from resonant X-ray magnetic scattering,
The 11th International Conference on Synchrotron Radiation Instrumentation, SRI2012,
Journal of Physics: Conf. Ser.,
IOP Publishing,
Vol. 425,
102005,
Apr. 2013.
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Maki Okube,
Satoshi Sasaki.
Resonant X-Ray Magnetic Scattering for Transition-Metal Ferrites,
IUCr2012,
Acta Crystallographica A,
Vol. 67,
C114,
Aug. 2011.
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Atsushi Kinoshita,
Maki Okube,
Takeshi Toyoda,
Satoshi Sasaki.
Magnetic Structures of BaTiMFe10O19 (M=Mn,Co) by Resonant Magnetic Scattering,
IUCr2011,
Acta Crystallographica A,
Vol. 67,
C530,
Aug. 2011.
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Yusuke Abe,
Maki Okube,
Satoshi Sasaki.
Electrom-Density Distribution of Fe3O4 on Resonant X-Ray Magnetic Scattering,
IUCr2011,
Acta Crystallographica A,
Vol. 67,
C529,
Aug. 2011.
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Satoshi Sasaki,
Takuya Yasue,
Maki Okube.
X-Ray Resonant Scattering - Origin of Fe K Pre-Edge Peak of Magnetite,
IUCr2011,
Acta Crystallographica A,
Vol. 67,
C529,
Aug. 2011.
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Valery Petrykin,
Katerina macounova,
Jiri Franc,
Maki Okube,
Petr Krtil.
Understanding local structure of doped RuO2-based electrocatalytic material,
Solid State Chemistry 2010,
Sept. 2010.
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M. Okube,
S. Sasaki.
Non-colinear spin structure of BaCoTiFe10O19 by resonant x-ray magnetic scattering,
Solid State Chemistry 2010,
Sept. 2010.
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V Petrykin,
K Macounova,
M Okube,
J Franc,
P Krtil.
Analysis of local structure of Ru1-x_ixO2 electrocatalytic Materials,
14TH INTERNATIONAL CONFERENCE ON X-RAY ABSORPTION FINE STRUCTURE (XAFS14),
Journal of Physics: Conference Series,
Vol. 190,
012166,
Jan. 2010.
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Akira Yoshiasa,
Hiroshi Arima,
Maki Okube,
Hiroshi Fukui,
Akihiko Nakatsuka,
Yoshinori Katayama,
Osamu Ohtaka.
High-pressure XAFS study of bulk and nano size ZrO2 particles,
14TH INTERNATIONAL CONFERENCE ON X-RAY ABSORPTION FINE STRUCTURE (XAFS14),
Journal of Physics: Conference Series,
Vol. 190,
012119,
Nov. 2009.
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Maki Okube,
Yuhei Kaneko,
SEIJI OHSAWA,
SATOSHI SASAKI.
Site-selective magnetic structural analysis by resonant magnetic scattering,
The Third Meeting of Research Consortium on High-pressure Research and Kumamoto International Symposium on Recent Advancements of Mineralogy and Petrology,
Oct. 2009.
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Akira Yoshiasa,
Hiroshi Fukui,
H Arima,
Maki Okube,
Y Katayama,
K Murai.
Pressure Dependence of Anharmonic Effective Pair Potentials in Rock Salt Type AgI,
13TH INTERNATIONAL CONFERENCE ON X-RAY ABSORPTION FINE STRUCTURE-XAFS13,
American Institute of Physics Conference Proceedings,
Vol. 882,
pp. 596,
Feb. 2007.
国際会議発表 (査読なし・不明)
学位論文
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