TITLE

“Hidden hydrogen” in as-grown ZnO

AUTHOR(S)
Shi, G. Alvin; Saboktakin, Marjan; Stavola, Michael; Pearton, S. J.
PUB. DATE
December 2004
SOURCE
Applied Physics Letters;12/6/2004, Vol. 85 Issue 23, p5601
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
An O–H stretching line at 3326.3 cm-1 was previously assigned to a shallow donor that is introduced into ZnO by H. This infrared line has been found to appear in as-grown ZnO samples when they are annealed near 400 °C without an external source of H, showing that there is an H-containing defect in commercially available ZnO that is not seen by infrared spectroscopy that can be converted into a shallow donor. The interstitial H2 molecule in ZnO is suggested as a candidate for the “hidden” H species.
ACCESSION #
15305403

 

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