Extended band anti-crossing model for dilute bismides

Bandstructure properties of dilute bismide bulk systems are calculated using density functional theory. An extended band anti-crossing model is introduced to fit the obtained results. Using these as inputs for a fully microscopic many-body theory, absorption and photoluminescence spectra are compute...

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Bibliographic Details
Published in:	Applied physics letters Vol. 112; no. 6
Main Authors:	Hader, J., Badescu, S. C., Bannow, L. C., Moloney, J. V., Johnson, S. R., Koch, S. W.
Format:	Journal Article
Language:	English
Published:	Melville American Institute of Physics 05-02-2018
Subjects:	Applied physics Bulk density Density functional theory Dilution Photoluminescence Quantum wells
Online Access:	Get full text
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Summary:	Bandstructure properties of dilute bismide bulk systems are calculated using density functional theory. An extended band anti-crossing model is introduced to fit the obtained results. Using these as inputs for a fully microscopic many-body theory, absorption and photoluminescence spectra are computed for bulk and quantum-well systems. Comparison to experimental results identifies the applicability range of the new anti-crossing model.
ISSN:	0003-6951 1077-3118
DOI:	10.1063/1.5009668