Empirical rule of intrinsic absorption spectroscopy in Hg 1-xCdxTe

Junhao Chu; Biao Li; Kun Liu; Dingyuan Tang

doi:10.1063/1.356464

Empirical rule of intrinsic absorption spectroscopy in Hg _1-xCd_xTe

Junhao Chu, Biao Li, Kun Liu, Dingyuan Tang

CAS - Shanghai Institute of Technical Physics

Research output: Contribution to journal › Article › peer-review

97 Scopus citations

Abstract

An empirical formula for the calculation of the intrinsic optical absorption coefficient at the Kane region is derived as α= α_g exp[β(E-E_g)]^1/2 from the measured absorption spectra in the whole intrinsic absorption region for Hg _1-xCd_xTe with different composition x from 0.170 to 0.443. The parameter β depends on composition x and temperature T, β=24-18x at 300 K and β=5.4+11x at 77 K. The calculated results from this simple empirical formula also agree well with those derived from the Kane model.

Original language	English
Pages (from-to)	1234-1235
Number of pages	2
Journal	Journal of Applied Physics
Volume	75
Issue number	2
DOIs	https://doi.org/10.1063/1.356464
State	Published - 1994
Externally published	Yes

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title = "Empirical rule of intrinsic absorption spectroscopy in Hg 1-xCdxTe",

abstract = "An empirical formula for the calculation of the intrinsic optical absorption coefficient at the Kane region is derived as α= αg exp[β(E-Eg)]1/2 from the measured absorption spectra in the whole intrinsic absorption region for Hg 1-xCdxTe with different composition x from 0.170 to 0.443. The parameter β depends on composition x and temperature T, β=24-18x at 300 K and β=5.4+11x at 77 K. The calculated results from this simple empirical formula also agree well with those derived from the Kane model.",

author = "Junhao Chu and Biao Li and Kun Liu and Dingyuan Tang",

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T1 - Empirical rule of intrinsic absorption spectroscopy in Hg 1-xCdxTe

AU - Chu, Junhao

AU - Li, Biao

AU - Liu, Kun

AU - Tang, Dingyuan

PY - 1994

Y1 - 1994

N2 - An empirical formula for the calculation of the intrinsic optical absorption coefficient at the Kane region is derived as α= αg exp[β(E-Eg)]1/2 from the measured absorption spectra in the whole intrinsic absorption region for Hg 1-xCdxTe with different composition x from 0.170 to 0.443. The parameter β depends on composition x and temperature T, β=24-18x at 300 K and β=5.4+11x at 77 K. The calculated results from this simple empirical formula also agree well with those derived from the Kane model.

AB - An empirical formula for the calculation of the intrinsic optical absorption coefficient at the Kane region is derived as α= αg exp[β(E-Eg)]1/2 from the measured absorption spectra in the whole intrinsic absorption region for Hg 1-xCdxTe with different composition x from 0.170 to 0.443. The parameter β depends on composition x and temperature T, β=24-18x at 300 K and β=5.4+11x at 77 K. The calculated results from this simple empirical formula also agree well with those derived from the Kane model.

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DO - 10.1063/1.356464

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ER -

Empirical rule of intrinsic absorption spectroscopy in Hg _1-xCd_xTe

Abstract

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