The low-temperature thermal expansion of Hg1−xCdxTe alloys
- 15 August 1981
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 39 (4) , 338-339
- https://doi.org/10.1063/1.92714
Abstract
The linear coefficient of thermal expansion of semiconducting Hg1−xCdxTe has been determined for alloy compositions x = 0.20 and 0.30, of interest to infrared detector technology. The temperature dependence is similar to that of other compounds of zinc blende structure. The thermal expansion coefficient becomes negative at 64 K and is insensitive to composition except below 30 K, where the alloys richer in HgTe exhibit a deeper negative minimum.Keywords
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