Near-edge x-ray absorption fine structure study of bonding modifications in BN thin films by ion implantation
- Lawrence Livermore National Laboratory, Livermore, California 94551 (United States)
- G. M. Research Laboratory, Warren, Michigan 48090 (United States)
- Lawrence Berkeley National Laboratory, Berkeley, California 94720 (United States)
- Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706 (United States)
Near-edge x-ray absorption fine structure (NEXAFS) has been used to study the defect content and the bonding modifications induced in BN thin films by ion implantation. The initial films were hexagonal-like BN grown on Si(100) by pulsed laser deposition. Subsequent ion implantation with N{sub 2}{sup +} at 180 keV induces the formation of a significant proportion of {ital sp{sup 3}} bonding (cubic-like), and the formation of nitrogen void defects in the remaining {ital sp{sup 2}} BN. These modifications in the bonding of a film lacking long range order can only be distinguished with a local order technique like NEXAFS. {copyright} {ital 1996 American Institute of Physics.}
- Research Organization:
- Lawrence Berkeley National Laboratory
- DOE Contract Number:
- AC03-76SF00098; W-7405-ENG-48
- OSTI ID:
- 283792
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 20 Vol. 68; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Conference
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Wed May 01 00:00:00 EDT 1996
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OSTI ID:230364
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Mon Mar 31 23:00:00 EST 1997
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OSTI ID:603564