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Empirical rule of intrinsic absorption spectroscopy in Hg1−xCdxTe (1994)

Chu, Junhao ; Li, Biao ; Liu, Kun ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 75 (1994), S. 1234-1235

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: 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 Hg1−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.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.356464

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