Studied of ion irradiation effects in hydrogenated amorphous carbon thin films by x-ray absorption and photoemission spectroscopy

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Title:	Studied of ion irradiation effects in hydrogenated amorphous carbon thin films by x-ray absorption and photoemission spectroscopy
Authors:	Ray, S. C.;Kumar Krishna, K. P.;Tsai, H. M.;Chiou, J. W.;Pao,C. W.;彭維鋒;Pong, W. F.;Tsai, M.-H.;Wu, B.-H.;Sheu, C.-R.;Chen, C. C.;Hong, Franklin C.-N.;Cheng, H.-H.;Dalakyan, A.
Contributors:	淡江大學物理學系
Keywords:	Diamond like carbon;Thin films;X-ray absorption near-edge structure;Valence-band photoelectron spectroscopy
Date:	2008-03-01
Issue Date:	2010-08-10 09:49:08 (UTC+8)
Publisher:	Elsevier
Abstract:	C K-edge X-ray absorption near-edge structure (XANES) and valence-band photoemission spectroscopy (PES) measurements were taken for hydrogenated amorphous carbon films before and after ion beam irradiation. The C K-edge XANES and valence-band PES spectra indicate that irradiation breaks C–C bonds to form CC bonds and has a similar effect on the electronic structures of the films, irrespective of the hydrogen content. The valence-band PES measurements reveal that ion beam irradiation markedly enhances the density of carbon π states in the vicinity of the Fermi level.
Relation:	Thin Solid Films 516(10), pp.3374-3377
DOI:	10.1016/j.tsf.2007.10.020
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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