Magnuson et al. (2012) Electronic structure and chemical bonding of amorphous chromium carbide thin films

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Electronic structure and chemical bonding of amorphous chromium carbide thin films

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CONTRIBUTORS:

	Author:	Magnuson, Martin (Linkoping University)
	Author:	Andersson, Matilda
	Author:	Lu, Jun
	Author:	Hultman, Lars
	Author:	Jansson, Ulf

JOURNAL:

Journal of Physics: Condensed Matter, 24(22), 5004 - 5010.

YEAR:

2012

PUB TYPE:

Journal Article

SUBJECT(S):

Amorphous carbides, microscopy, spectroscopy

DISCIPLINE:

Physics

HTTP:

http://iopscience.iop.org/0953-8984/24/22/225004/

LANGUAGE:

English

PUB ID:

103-504-468 (Last edited on 2012/07/15 08:27:50 GMT-6)

SPONSOR(S):

ABSTRACT:
The microstructure, electronic structure and chemical bonding of chromium carbide thin films with different carbon contents have been investigated with high-resolution transmission electron microscopy, electron energy loss spectroscopy and soft x-ray absorption–emission spectroscopies. Most of the films can be described as amorphous nanocomposites with non-crystalline CrCx in an amorphous carbon matrix. At high carbon contents, graphene-like structures are formed in the amorphous carbon matrix. At 47 at.% carbon content, randomly oriented nanocrystallites are formed creating a complex microstructure of three components. The soft x-ray absorption–emission study shows additional peak structures exhibiting non-octahedral coordination and bonding.

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