Electronic and bonding properties of Fe- and Ni based hydrogenated amorphous carbon thin films by X-ray absorption, valence-band photoemission and Raman spectroscopy

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Title:	Electronic and bonding properties of Fe- and Ni based hydrogenated amorphous carbon thin films by X-ray absorption, valence-band photoemission and Raman spectroscopy
Authors:	Ray, S. C.;Tsai, H. M.;Pao, C. W.;Chang, W. H.;Pong, W. F.;Chiou, J. W.;Tsai, M.-H.
Contributors:	淡江大學物理學系
Keywords:	M-doped DLC;XANES;VB PES
Date:	2011-07
Issue Date:	2011-10-24 10:34:10 (UTC+8)
Publisher:	Lausanne: Elsevier S.A.
Abstract:	Electronic and bonding properties of Me-based hydrogenated amorphous carbon (a-CH:Me, Me = Fe, Ni) thin films have been studied by X-ray absorption near-edge structure (XANES), valence-band photoemission (VB-PES) and Raman spectroscopy. Raman and XANES results show enhancement of the content of sp3-rich diamond-like carbon (DLC) by doping with Fe and Ni. The VB-PES spectrum of a-CH:Fe shows emergence of a prominent feature due to states of sp3-bonded clusters, indicating that a-CH:Fe induced enhancement of DLC structure. The nano-indentation measurement reveals that a-CH:Fe has a greatly enhanced hardness, while electrical resistance measurement shows that a-CH:Me reduces resistivity.
Relation:	Diamond and Related Materials 20(7), pp.886–890
DOI:	10.1016/j.diamond.2011.03.041
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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