Faculty Profiles - MURAOKA Yuji

MISC - MURAOKA Yuji

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25pYB-3 Ultrahigh-Resolution Three-Dimensional ARPES on URu_2Si_2

Yoshida R., Tsubota K., Ishiga T., Aoki D., Flouquet J., Varykhalov A., Rienks E., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 67 ( 1 ) 637 - 637 2012.3

25pCK-7 PEEM study of thermal diffusion of Ag micro-films on Si surfaces

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

Meeting abstracts of the Physical Society of Japan 67 ( 1 ) 950 - 950 2012.3

27pYA-6 Photoemission study of K_xFe_<2-y>Se_2

Fukui M., Tsubota K., Ishiga T., Yoshida R., Muro T., Takeya H., Takano Y., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 67 ( 1 ) 696 - 696 2012.3

27aYH-14 Surface physical property of CrO_2 thin films prepared using a closed chemical vapor deposition method

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

Meeting abstracts of the Physical Society of Japan 67 ( 1 ) 694 - 694 2012.3

27pYB-2 Electronic structure of CeT_2Al_<10>(T=Fe, Ru, Os) studied by high-resolution photoemission spectroscopy II

Ishiga T., Yoshida R., Nakamura Y., Tsubota K., Yutani K., Muro Y., Takabatake T., Kumigashira H., Oshima M., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 67 ( 1 ) 698 - 698 2012.3

Surface physical property of the CrO 2 thin films prepared using a closed chemical vapor deposition method Reviewed

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

Materials Research Society Symposium Proceedings 1406 17 - 22 2012

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

We have examined the intrinsic surface physical property of a CrO 2 thin film by means of surface sensitive photoemission spectroscopy. Epitaxial thin film of CrO 2(100) has been grown on TiO 2(100) by a closed chemical vapor deposition method using a Cr 8O 21 precursor. Low-energy electron diffraction (LEED) observations find that epitaxial growth of rutile-phase CrO 2 occurs to the top monolayer of the film. Surface sensitive x-ray photoemission spectroscopy (XPS) measurements show a finite intensity in the region of the Fermi energy. The result evidences that the physical nature of near topmost layer of CrO 2 thin film is metallic. Progress of understanding of the surface physical property of CrO 2 thin film helps not only perform a reliable photoemission study to understand the physics of ferromagnetic metal in CrO 2, but also develop the CrO 2-based devices using a half-metallic nature for spintronics applications. © 2012 Materials Research Society.

DOI： 10.1557/opl.2012.177

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21aGD-9 Electron carrier injection to VO_2 thin films by synchrotron radiation light irradiation

Muraoka Y., Nagao H., Wakita T., Hirai M., Yokoya T., Muro T., Tamenori Y.

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 459 - 459 2011.8

24pGE-10 Preparation of the CrO_2 thin films in a closed chemical vapor deposition method and characterization of the surface physical properties of the films

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

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 654 - 654 2011.8

21aGM-4 Angle-Resolved Photoemission Spectroscopy on Iron-Based Superconductor Ca-Fe-Pt-As

Yoshida R., Tsubota K., Kakiya S., Kudo K., Nohara M., Hayashi H., Jiang J., Iwasawa H., Shimada K., Namatame H., Taniguchi M., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 466 - 466 2011.8

21aGC-6 Electronic structure of CeT_2Al_<10>(T=Fe,Ru,Os) studied by high-resolution photoemission spectroscopy

Ishiga T., Yoshida R., Tsubota K., Yutani K., Muro Y., Takabatake T., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 455 - 455 2011.8

24aGB-9 Local magnetic properties and electronic states of the ferromagnetic chromium oxides CrO_2 and K_2Cr_8O_<16> investigated by ^<53>Cr NMR measurements

Takeda H., Shimizu Y., Itoh M., Isobe M., Ueda Y., Yoshida S., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 633 - 633 2011.8

24aGE-7 High-resolution photoemission study of Rh_<17>S_<15> superconductor II

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

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 638 - 638 2011.8

24aGL-8 Electronic structure of Ca(Fe_<1-x>Rh_x)_2As_2 studied by angle resolved photoemission spectroscopy

Tsubota K., Yoshida R., Danura M., Kudo K., Nohara M., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 644 - 644 2011.8

21aTN-8 Inverse photoemission spectroscopy of VO_2 thin films

Nagao H., Muraoka Y., Hirai M., Wakita T., Utsumi Y., Sato H., Namatame H., Taniguchi M., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 720 - 720 2011.8

24aGE-9 Preparation of heavily boron-doped superconducting diamond films by a hot-filament CVD method and characterization of their physical properties

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

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 638 - 638 2011.8

22pHA-10 PEEM study of diffusion of noble metal atoms on Si surfaces

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

Meeting abstracts of the Physical Society of Japan 66 ( 2 ) 922 - 922 2011.8

28aEC-2 Ultrahigh Resolution ARPES on URu_2Si_2 : Fine Structures in Photoemission Spectra

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

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 659 - 659 2011.3

25aEE-4 Electronic structure of Ca(Fe_<1-x>Rh_x)_2As_2 studied by soft X-ray photoemission spectroscopy

Tsubota K., Yoshida R., Nakamura Y., Muro T., Danura M., Kudo K., Nohara M., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 524 - 524 2011.3

27pGW-7 Photoemission and inverse photoemission studies on iron based superconductors

Yoshida R., Utsumi Y., Tsubota K., Fukui M., Nakajima Y., Okazaki H., Mizuguchi Y., Takano Y., Muro T., Kato Y., Kumigashira H., Oshima S., Harima H., Aiura Y., Sato H., Ino A., Namatame H., Taniguchi M., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 642 - 642 2011.3

27pPSA-11 Inelastic mean free path of photoelectrons excited from Si 2p core-levels

Wakita T., Ono M., Eguchi T., Hasegawa Y., Hirai M., Muraoka Y., Yokoya T.

Meeting abstracts of the Physical Society of Japan 66 ( 1 ) 923 - 923 2011.3

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