Energy-gap dependence on the Mn mole fraction and temperature in CdMnTe crystal

K. H. Kim, A. E. Bolotnikov, G. S. Camarda, G. Yang, A. Hossain, Y. Cui, R. B. James, J. Hong, S. U. Kim

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Abstract

We measured the dependence of the energy gap in Bridgman-grown Cd 1-x Mnx Te crystals, 0≤x≤0.25, on the Mn mole fraction and temperatures from 40 to 300 K. We determined the Mn mole fraction and energy gap, respectively, from electron probe microanalysis and near-infrared Fourier-transform infrared transmission spectra. The energy gap increased linearly with an increase in the Mn content in the crystal and with a decrease in temperature. We formulated new equations from these experimental results, wherein we expressed the energy gap as a function of Mn mole fraction and temperature. Also, we compare our findings with published results.

Original languageEnglish
Article number023706
JournalJournal of Applied Physics
Volume106
Issue number2
DOIs
Publication statusPublished - 2009 Aug 12
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Kim, K. H., Bolotnikov, A. E., Camarda, G. S., Yang, G., Hossain, A., Cui, Y., James, R. B., Hong, J., & Kim, S. U. (2009). Energy-gap dependence on the Mn mole fraction and temperature in CdMnTe crystal. Journal of Applied Physics, 106(2), [023706]. https://doi.org/10.1063/1.3176955