Origin of the magnetic-circular-dichroism absorption of undoped as-grown GaAs

15 November 1988

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 38 (14) , 10060-10063
https://doi.org/10.1103/physrevb.38.10060

Abstract

It is shown that the below-band-gap magnetic-circular-dichroism absorption of as-grown semi-insulating GaAs can be explained in terms of the photoneutralization transition,

{As}_{Ga^{+}}

+hν→

{As}_{Ga^{0} + h o l e}

, at an

{As}_{Ga}

antisite defect.

Keywords

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