RESONANT PHOTOEMISSION OF BULK CeO2 AND NANO-CeO2 FILMS

金属学报(英文版), 2001, 14(6): 539-543.

^1, , ^2, , ^3, , ^4, , ^5, , ^6,

1.Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics. The Chinese Academy of Sciences, P.O. Box 918, Beijing 100039, China

2.Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics. The Chinese Academy of Sciences, P.O. Box 918, Beijing 100039, China

3.Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics. The Chinese Academy of Sciences, P.O. Box 918, Beijing 100039, China

4.Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics. The Chinese Academy of Sciences, P.O. Box 918, Beijing 100039, China

5.Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics. The Chinese Academy of Sciences, P.O. Box 918, Beijing 100039, China

6.Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics. The Chinese Academy of Sciences, P.O. Box 918, Beijing 100039, China

基金项目: 国家自然科学基金(10074063) 中国科学院资助项目(KJ952-S1-418)

RESONANT PHOTOEMISSION OF BULK CeO2 AND NANO-CeO2 FILMS

Keywords： photoemission

Photoemission behaviors of nano-CeO2 films with particle sizes ranging from 8nm 1o50nm and bulk CeO2 in Ce 4d-4f absorption region have been investigated. Resonantenhancements of Ce 4f valance band and Ce 5p bands for nano film and bulk materialhave been observed. The variation of electron density of states in valance bands ofnano and bulk structures of CeO2 is discussed in terms of Ce 4d-4f resonance.

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RESONANT PHOTOEMISSION OF BULK CeO2 AND NANO-CeO2 FILMS

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