Study of thermal expansion of mercury indium telluride crystals by XRD technique

Ling Hang Wang, Wan Qi Jie

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The thermal expansion behavior of mercury indium telluride (MIT) crystals, Hg(3-3x)In2xTe3(x=0.5), based on X-ray diffraction experimental data is studied at 298-573 K. The variation of the lattice parameter of MIT crystals with temperature was determined and the thermal expansion coefficient was deduced to be 6.18×10-6 K-1. The results of the thermal expansion are fitted to polynomial expressions. It is found that the lattice parameter decreases quickly with temperature increasing at 298-330 K and then increases continuously up to 573 K. The minimum lattice parameter corresponds to a maximum shrinkage of 0.06.

Original languageEnglish
Pages (from-to)s776-s779
JournalTransactions of Nonferrous Metals Society of China (English Edition)
Volume19
Issue numberSUPPL. 3
DOIs
StatePublished - Dec 2009

Keywords

  • Crystal growth
  • Mercury indium telluride
  • Semiconductor material
  • Thermal expansion
  • XRD

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