期刊
DIAMOND AND RELATED MATERIALS
卷 15, 期 4-8, 页码 716-719出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.diamond.2006.01.004
关键词
diamond film; characterization; bonding configuration; surface structure
Hydrogen is introduced in polycrystalline diamond during the deposition process (intrinsic hydrogen) or by post-hydrogenation and bulk diffusion. It is possible to control in a selective manner (by chemical or thermal treatments) the removal of superficial or subsurface hydrogen. The photoelectron spectroscopy (XPS and UPS) results at the moderately doped polycrystalline diamond surface are reported, depending on hydrogenation or dehydrogenation treatments. The Fermi level pinning position shift and the oxygen bonding are deduced from XPS spectra. The modification of the valence band is followed by UPS. (c) 2006 Elsevier B.V. All rights reserved.
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