Applied Physics Letters, volume 58, issue 25, pages 2924-2926
Temperature dependence of semiconductor band gaps
Publication type: Journal Article
Publication date: 1991-06-24
Journal:
Applied Physics Letters
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 4
ISSN: 00036951, 10773118
DOI:
10.1063/1.104723
Physics and Astronomy (miscellaneous)
Abstract
In this letter we advocate the use of a new three-parameter fit to the temperature dependence of semiconductor band gaps. This fitting improves upon the semi-empirical Varshni equation* both numerically, since it gives better fits to the data, and theoretically, since the parameters of the fit may be related to an intrinsic interaction of semiconductors, namely the electron-phonon coupling. Similar expressions to ours have appeared in the literature2T3 but the practical and theoretical justification of this kind of data fit have not previously been worked out in detail. We emphasize that our approach is empirical: we aim simply to describe the data as well as possible with the minimum number of free parameters. The Varshni relation for the temperature dependence of semiconductor band gaps is Eg(T)=Eo--cYT2/(T+pA (1)
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O'DONNELL K. P., Chen X. Temperature dependence of semiconductor band gaps // Applied Physics Letters. 1991. Vol. 58. No. 25. pp. 2924-2926.
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O'DONNELL K. P., Chen X. Temperature dependence of semiconductor band gaps // Applied Physics Letters. 1991. Vol. 58. No. 25. pp. 2924-2926.
Cite this
RIS
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TY - JOUR
DO - 10.1063/1.104723
UR - https://doi.org/10.1063/1.104723
TI - Temperature dependence of semiconductor band gaps
T2 - Applied Physics Letters
AU - O'DONNELL, K. P.
AU - Chen, X.
PY - 1991
DA - 1991/06/24
PB - American Institute of Physics (AIP)
SP - 2924-2926
IS - 25
VL - 58
SN - 0003-6951
SN - 1077-3118
ER -
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BibTex
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@article{1991_O'DONNELL,
author = {K. P. O'DONNELL and X. Chen},
title = {Temperature dependence of semiconductor band gaps},
journal = {Applied Physics Letters},
year = {1991},
volume = {58},
publisher = {American Institute of Physics (AIP)},
month = {jun},
url = {https://doi.org/10.1063/1.104723},
number = {25},
pages = {2924--2926},
doi = {10.1063/1.104723}
}
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MLA
Copy
O'DONNELL, K. P., and X. Chen. “Temperature dependence of semiconductor band gaps.” Applied Physics Letters, vol. 58, no. 25, Jun. 1991, pp. 2924-2926. https://doi.org/10.1063/1.104723.