Infrared photoreflectance of InAs

C. H. Lin*, K. E. Singer, J. H. Evans-Freeman, K. Heath, M. Missous

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Photoreflectance (PR) has been used for the first time for the measurement of the fundamental energy gaps of a narrow gap semiconductor (InAs) and demonstrated to be capable of determining both the bandgap and the spin-orbit split-off energy. The measurements reported in this paper give a value for the spin split-off energy for p-type InAs as 367 ±2 meV. The assignment of the feature to the spin split-off band is supported by the observation that this value is found to be independent of temperature.

Original languageEnglish
Pages (from-to)1619-1624
Number of pages6
JournalSemiconductor Science and Technology
Volume12
Issue number12
DOIs
Publication statusPublished - 1 Dec 1997

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