NDLI: Vibrational local modes of a-Si:(h,c) alloys

Content Provider	IEEE Xplore Digital Library
Author	Shu-Ya Lin
Copyright Year	1994
Description	Author affiliation: National Tsing Hua University (Shu-Ya Lin)
Abstract	The cluster-Bethe-lattice method is used to study the vibrational properties of the a Si:(H,C) alloys. The isolated Si/sub 4/C, H-Si-C, Si-CH/sub 3/, and Si/sub 3/C- (Carbon with a dangling bond) groups in a-Si:(H,C) alloys are under investigation. The vibrational local density of states for these local bonding structures are calculated. The Si-C bond-stretching mode of the isolated Si/sub 4/C group is at 780 cm/sup -1/. For the H-Si-C matrix, we have the Si-H bond-stretching and bond-bending modes respectively at 2080 and 630 cm/sup -1/, and the Si-C bond-stretching at 780 cm/sup -1/. The local modes for the Si-CH/sub 3/ group are the C-H bond-stretching modes at 2950 and 2878 cm/sup -1/, and the deformation modes at 1240 and 1180 cm/sup -1/. All these results are generally agreed with the experimental data. The Si-C stretching mode for C with a dangling bond shifts to a lower value of 748 cm/sup -1/.
Starting Page	11
Ending Page	11
File Size	246905
Page Count	1
File Format	PDF
DOI	10.1109/EDMS.1994.771356
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-07-12
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Silicon alloys Electromagnetic wave absorption Lattices Conductivity Telephony Frequency Bonding forces Conductive films Conducting materials Equations
Content Type	Text
Resource Type	Article

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