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Unusual behavior of the electrical properties of GaN p-i-n rectifiers caused by the presence of deep centers and by migration of shallow donors

  • A. Y. Polyakov*
  • , N. B. Smirnov
  • , A. V. Govorkov
  • , A. P. Zhang
  • , F. Ren
  • , S. J. Pearton
  • , J. I. Chyi
  • , T. E. Nee
  • , C. C. Chuo
  • , C. M. Lee
  • *Corresponding author for this work
  • Institute of Rare Metals
  • University of Florida
  • National Central University

Research output: Contribution to journalJournal Article peer-review

4 Scopus citations

Abstract

A marked hysteresis was observed in C-T characteristics of GaN p-i-n diodes measured during heating/cooling cycles. The phenomenon is related to positive charging of deep traps located close to the p-n junction and having the concentration higher than about 1017 cm-3. Such recharging, via some not completely clear mechanisms, also effects the current-voltage characteristics increasing the reverse and the forward currents at low forward biases.

Original languageEnglish
Pages (from-to)1549-1555
Number of pages7
JournalSolid-State Electronics
Volume44
Issue number9
DOIs
StatePublished - 01 09 2000
Externally publishedYes

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