Title |
Electronic structure and chemical bonding of amorphous chromium carbide thin films
|
---|---|
Published in |
Journal of Physics: Condensed Matter, May 2012
|
DOI | 10.1088/0953-8984/24/22/225004 |
Pubmed ID | |
Authors |
Martin Magnuson, Matilda Andersson, Jun Lu, Lars Hultman, Ulf Jansson |
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 CrC(x) 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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