Faculty Profiles - MURAOKA Yuji

MISC - MURAOKA Yuji

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26pED-5 Photoemission studies on the superconducting gap of filled skutterudites RPt_4Ge_<12>(R=La,Pr)

Nakamura Y., Okazaki H., Yoshida R., Takeya H., Wakita T., Hirata K., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 601 - 601 2011.3

26aHB-6 Angle-resolved photoemission spectroscopy of metallic VO_2 thin films

Nagao H., Yao Y., Muraoka Y., Wakita T., Hirai M., Kumigashira H., Oshima M., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 769 - 769 2011.3

25pED-8 High-resolution photoemission study of Rh_<17>S_<15> superconductor

Fukui M., Yoshida R., Nakamura Y., Okazaki H., Kato Y., Muro T., Settai R., Onuki Y., Harima H., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 554 - 554 2011.3

26pEC-3 Photoemission spectroscopy of CeT_2Al_<10>(T=Fe,Os)

Ishiga T., Nakamura Y., Okazaki H., Yoshida R., Muro Y., Takabatake T., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 597 - 597 2011.3

25pED-12 Preparation of heavily boron-doped diamond films by a hot filament CVD method and characterization of their physical propeties

Hiramatsu C., Doi T., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 555 - 555 2011.3

28pEF-3 Preparation and electronic states of NbO_2 thin films

Muraoka Y., Hiramatsu C., Hirai M., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 684 - 684 2011.3

27pTM-4 Effects of Yb or Fe site substitution of YbFe_2O_4

Nagata T., Funae T., Nakanishi A., Kano J., Kambe T., Okazaki H., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 982 - 982 2011.3

Preparation of the CrO2 thin films using a Cr8O 21 precursor Reviewed

Y. Muraoka, K. Iwai, S. Yoshida, T. Wakita, M. Hirai, T. Yokoya, Y. Kato, T. Muro, Y. Tamenori

Materials Research Society Symposium Proceedings 1292 87 - 92 2011

Language：English Publishing type：Article, review, commentary, editorial, etc. (international conference proceedings)

We have prepared a CrO2 thin film by chemical vapor deposition from a Cr8O21 precursor and studied the bulk and surface physical properties. The CrO2 thin film is grown on TiO 2(100) substrate by heating precursor and TiO2 (100) substrate together in a sealed quartz tube. The prepared film is found from x-ray diffraction analysis to be an (100)-oriented single phase. The magnetization and resistivity measurements indicate that the film is a ferromagnetic metal with a Curie temperature of about 400 K. Cr 3s core-level and valence band photoelectron spectroscopy spectra reveal the presence of a metallic CrO2 in the surface region of the film. Our work indicates that preparation from a Cr8O21 precursor in a closed system is promising for obtaining a CrO2 thin film with the metallic surface. © 2011 Materials Research Society.

DOI： 10.1557/opl.2011.154

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正逆光電子分光によるFe(Se,Te)の電子状態研究(鉄系高温超伝導の物理,研究会報告)

吉田力矢, 内海有希, 坪田幸士, 福井仁紀, 中島陽祐, 岡崎宏之, 水口佳一, 高野義彦, 室隆桂之, 加藤有香子, 組頭広志, 尾嶋正治, 播磨尚朝, 相浦義弘, 佐藤仁, 井野明洋, 生天目博文, 谷口雅樹, 平井正明, 村岡祐治, 横谷尚睦

物性研究 96 ( 5 ) 563 - 563 2011

Ca(Fe_<1-x>Rh_x)_2As_2の軟X線光電子分光(鉄系高温超伝導の物理,研究会報告)

坪田幸士, 吉田力矢, 福井仁紀, 中村祥明, 室隆桂之, 檀浦匡隆, 工藤一貴, 野原実, 平井正明, 村岡祐治, 横谷尚睦

物性研究 96 ( 5 ) 576 - 576 2011

24aWB-10 Preparation of the CrO_2 thin films from a Cr_8O_<21> precursor in a closed chemical vapor deposition system

Yoshida S., Muraoka Y., Hirai M., Yokoya T., Muro T., Tamenori Y.

Meeting abstracts of the Physical Society of Japan 65 ( 2 ) 542 - 542 2010.8

24aWB-9 Bulkand surface physical properties of CrO_2 thin films prepared using a Cr_8O_<21> precursor in a closed chemical vapor deposition system

Muraoka Y., Iwai K., Yoshida S., Wakita T., Hirai M., Yokoya T., Kato Y., Muro T., Tamenori Y.

Meeting abstracts of the Physical Society of Japan 65 ( 2 ) 542 - 542 2010.8

25aPS-101 Photoemission spectroscopy of Si : effects of empty states

Wakita T., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 65 ( 2 ) 716 - 716 2010.8

24pRE-3 Fermi Surface observation for the metallic VO_2 thin films

Yao Y., Muraoka Y., Wakita T., Hirai M., Kumigashira H., Oshima M., Yokoya T.

Meeting abstracts of the Physical Society of Japan 65 ( 2 ) 702 - 702 2010.8

25aWJ-12 Electronic state of filed skutterudite superdconductor RPt_4Ge_<12>(R=La,Pr)

Nakamura Y., Okazaki H., Yoshida R., Wakita T., Hirai M., Muraoka Y., Takeya H., Hirata K., Okawa M., Shin S., Watanabe S., Chen C.-T., Kumigashira H., Oshima M., Yokoya T.

Meeting abstracts of the Physical Society of Japan 65 ( 2 ) 586 - 586 2010.8

25pWJ-9 Laser Angle-Resolve Photoemission Spectroscopy on URu_2Si_2 II

Yoshida R., Nakamura Y., Fukui M., Haga Y., Yamamoto E., Onuki Y., Okawa M., Shin S., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 65 ( 2 ) 603 - 603 2010.8

24aWJ-8 Electronic Structure of YbFe_2O_4 Studied by Soft X-ray Photoemission Spectroscopy

Okazaki H., Fukui M., Muro T., Wakita T., Muraoka Y., Hirai M., Akahama H., Ikeda N., Yokoya T.

Meeting abstracts of the Physical Society of Japan 65 ( 2 ) 550 - 550 2010.8

23aWH-10 High-resolution PES of 11 iron-chalcogenide superconductors

Fukui M., Okazaki H., Yoshida R., Nakamura Y., Takano Y., Mizuguchi Y., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 65 ( 2 ) 453 - 453 2010.8

20aPS-86 Optimization of preparation conditions from Cr_8O_<21> precursors for CrO_2 thin films

Yoshida S., Iwai K., Muraoka Y., Hirai M., Yokoya T.

Meeting abstracts of the Physical Society of Japan 65 ( 1 ) 540 - 540 2010.3

23pHL-2 Angle-resolved photoemission spectroscopy of metallic VO_2 thin films

Yao Y., Okazaki H., Muraoka Y., Wakita T., Hirai M., Yokoya T., Kumigashira H., Oshima M.

Meeting abstracts of the Physical Society of Japan 65 ( 1 ) 809 - 809 2010.3

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