First principles calculations of the dark current in quantum well infrared photodetectors

N. E.I. Etteh, P. Harrison

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

A first principles model of the dark current in quantum well infrared photodetectors has been derived using a quantum mechanical approach. This is based on a combined representation of the field-induced and thermionic emission components of the dark current. It is argued that the contribution of sequential tunnelling to the dark current is affected significantly by the presence of interface roughness found in real devices.

Original languageEnglish
Pages (from-to)381-384
Number of pages4
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume13
Issue number2-4
Early online date16 Jan 2002
DOIs
Publication statusPublished - 1 Mar 2002
Externally publishedYes

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