Deep levels in nitrogen-implanted n-type GaAs

K. M. Chen, Y. Q. Jia, Y. Chen, A. P. Li, S. X. Jin, H. F. Liu

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Ti/n-GaAs Schottky barrier diodes were prepared on nitrogen-implanted n GaAs. The Schottky barrier height of the diodes was found to be 0.96 eV, 0.12 eV higher than that of the samples without N implantation. Four distinctive electron traps E1(0.111), E2(0.234), E3(0.415), and E4(0.669) and one hole trap, H(0.545), have been observed with deep level transient spectroscopy. Defect models of these deep levels are proposed and the role of H(0.545) in the Schottky barrier formation is also discussed.

Original languageEnglish
Pages (from-to)4261-4263
Number of pages3
JournalJournal of Applied Physics
Volume78
Issue number6
DOIs
StatePublished - 1995

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