Urbach tail in InP with nanometer metallic precipitates

R. Leon, A. Krotkus, R. Leon, C. Jagadish, Leon Leontyev

Research output: Contribution to journalReview articlepeer-review

3 Citations (Scopus)

Abstract

Subband-gap photoconductivity of InP: Cu has been investigated. An exponential dependence versus photon energy has been found. Our findings are in contrast to Fowler plots measured in GaAs : As. In our opinion, the exponential dependence is determined by photogeneration from the semiconductor. This mechanism of carrier generation is stronger than the photoemission from metal precipitates.

Original languageEnglish
Pages (from-to)475-477
Number of pages3
JournalPhysica Status Solidi (A) Applied Research
Volume168
Issue number2
DOIs
Publication statusPublished - 1998

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