Rapid thermal annealing effects on blue luminescence of As-implanted GaN

H. Y. Huang*, J. Q. Xiao, C. S. Ku, H. M. Chung, Wei-Kuo Chen, W. H. Chen, M. C. Lee, H. Y. Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Rapid thermal annealing effects on blue luminescence of As-implanted GaN grown by metalorganic vapor phases epitaxy were investigated by means of photoluminescence and photoluminescence excitation measurements. The locations of the As-implantation induced bands and the associated transition channels for the emission were determined to characterize the As-implanted GaN. After the rapid thermal annealing treatment, the deep As-related levels become more ready to be populated by photoexcitation at low temperature so that the new blue luminescence emission peak is enhanced significantly, whose activation energy is found to be 46 meV.

Original languageEnglish
Pages (from-to)4129-4131
Number of pages3
JournalJournal of Applied Physics
Volume92
Issue number7
DOIs
StatePublished - 1 Oct 2002

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