Research Papers in Physics and Astronomy

 

Date of this Version

4-21-2005

Comments

Published in Journal of Physics D: Applied Physics 38 (2005): 1,248-1,252. Copyright 2005, Institute of Physics Publishing. doi:10.1088/0022-3727/38/8/023 Used by permission.

Abstract

Boron carbides fabricated via plasma enhanced chemical vapor deposition from different isomeric source compounds with the same C2B10H12 closo-icosa- hedral structure result in materials with very different direct (optical) band gaps. This provides compelling evidence for the existence of multiple polytypes of C2B10 boron carbide and is consistent with electron diffraction results.

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