Excitonic effects and luminescent properties of narrow-gap Hg1-xCdxTe

Jens Wolfgang Tomm; Klaus H. Herrmann; Christopher J. Summers; Tuyen K. Tran

doi:10.1117/12.200956

9 February 1995 Excitonic effects and luminescent properties of narrow-gap Hg1-xCdxTe

Jens Wolfgang Tomm, Klaus H. Herrmann, Christopher J. Summers, Tuyen K. Tran

Proceedings Volume 2362, International Conference on Excitonic Processes in Condensed Matter; (1995) https://doi.org/10.1117/12.200956
Event: Excitonic Processes in Condensed Matter: International Conference, 1994, Darwin, Australia

Abstract

We present a study of the excitonic luminescence contribution in Hg_1-xCd_xTe for a wide CdTe mole fraction range (0.23 < x < 0.97). This mixed crystal semiconductor system is relatively well understood and offers a unique possibility to study the contribution of excitons to the luminescence of a material with a continuously decreasing energy gap. This reexamination is based on a set of uniform (carrier concentration, degree of compensation) samples grown by the traveling heater method. Furthermore the luminescence from Hg_0.15Cd_0.85Te/Hg_0.7Cd_0.3Te superlattices is analyzed with respect to the luminescence contributions of confined 2D excitons.

Citation Download Citation

Jens Wolfgang Tomm, Klaus H. Herrmann, Christopher J. Summers, and Tuyen K. Tran "Excitonic effects and luminescent properties of narrow-gap Hg1-xCdxTe", Proc. SPIE 2362, International Conference on Excitonic Processes in Condensed Matter, (9 February 1995); https://doi.org/10.1117/12.200956

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