Correlation of oxygen content and crystal size in Polycrystalline Gallium Nitride

H. Timmers, B. Hecking, K. S. A. Butcher, T. D. M. Weijers, R. G. Elliman, Afifuddin, T. L. Tansley

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

92 Citations (Scopus)

Abstract

Heavy ion elastic recoil detection has been applied to the compositional analysis of polycrystalline GaN films developed for potential, cost-effective use in optoelectronics. Film stoichiometries could be determined to high precision. The films contain significant amounts of oxygen, carbon and hydrogen. AFM microscopy and XRD measurements show that the oxygen content correlates with crystal size. The results are consistent with the preferential incorporation of oxygen at the grain boundaries.
Original languageEnglish
Title of host publicationANA 2001 - Fourth Conference on Nulcear Science and Engineering in Australia
Editors Clarence J. Hardy
Place of PublicationSutherland Australia
PublisherThe Australian Nucelar Association
Pages131-134
Number of pages4
Publication statusPublished - 2001
EventFourth Conference on Nuclear Science and Engineering in Australia - Sydney
Duration: 24 Oct 200125 Oct 2001

Conference

ConferenceFourth Conference on Nuclear Science and Engineering in Australia
CitySydney
Period24/10/0125/10/01

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