Dielectric constant and its temperature dependence for GaAs, CdTe, and ZnSe
- 15 March 1976
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 28 (6), 350-352
- https://doi.org/10.1063/1.88755
Abstract
The dielectric constants of GaAs, CdTe, and ZnSe and their temperature dependences were found from low‐frequency capacitance measurements. From 100 to 300 °K the dielectric constants vary linearly with temperature. No electric field dependence was found up to 104 V/cm, nor frequency dependence between 20 Hz and 1 MHz. The dielectric constants extrapolated linearly to 0 °K are 12.35±0.09, 10.31±0.08, and 8.80±0.07 for GaAs, CdTe, and ZnSe, respectively. The temperature coefficients λ (≡ε (0)−1 dε/dt) are 2.01×10−4/°K, 2.27×10−4/°K, and 1.71×10−4/°K, respectively, with an accuracy of ±0.02×10−4/°K.Keywords
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