Donor-acceptor pair luminescence decay in Mg-doped GaN

Eun Joo Shin, Nam Woong Song, Joo In Lee, Dongho Kim, Yoon Ho Choi, Chang Hee Hong

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Abstract

The photoluminescence decay measurements of donor-acceptor pairs (DAP) recombination in Mg-doped GaN grown by MOCVD are presented. The DAP luminescence decays with several hole concentrations (<1×10 17 cm -3 to ∼4×10 17 cm -3) were observed. The decay time of the DAP transition in the annealed sample is faster than in as-grown. It is considered as due to the increase of nonradiative process by the enhancement of the interactions among DA pairs. This shows another aspect of the activation of Mg acceptors after thermal annealing. The characteristics of DAP recombination dynamics in Mg-doped GaN are also described.

Original languageEnglish
Pages (from-to)S295-S297
JournalJournal of the Korean Physical Society
Volume33
Issue numberSUPPL. 2
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Shin, E. J., Song, N. W., Lee, J. I., Kim, D., Choi, Y. H., & Hong, C. H. (1998). Donor-acceptor pair luminescence decay in Mg-doped GaN. Journal of the Korean Physical Society, 33(SUPPL. 2), S295-S297.