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FREE CARRIER ABSORPTION SPECTRA FOR Hg1-xCdxTe EPILAYERS
Author(s) -
Biao Li,
CHU JUN-HAO,
Xiaohong Shi,
Xinqiang Chen,
CAO JU-YING,
TANG DING-YUAN
Publication year - 1996
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.45.1430
Subject(s) - materials science , absorption (acoustics) , free carrier , spectral line , free carrier absorption , absorption spectroscopy , condensed matter physics , analytical chemistry (journal) , optics , optoelectronics , semiconductor , chemistry , physics , chromatography , astronomy , composite material
The free carrier absorption spectra for Hg1-xCdxTe epilayers are derived by considering the composition-in-depth nonuniformity and Te precipitates in the epilayers. The results show that the absorption behaviour of epilayers exhibits many differences with that of the bulk materials. The Te precipitates may exist when the calculated transmission is much higher than the experimental data.

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