Influence of laser irradiation on Hg1-xMnxTe photoelectrical properties

Elena P. Kopishinskaya; Peter E. Mozol'; I. M. Rarenko; Aleksandr I. Vlasenko

doi:10.1117/12.280455

26 August 1997 Influence of laser irradiation on Hg_1-xMn_xTe photoelectrical properties

Elena P. Kopishinskaya, Peter E. Mozol', I. M. Rarenko, Aleksandr I. Vlasenko

Proceedings Volume 3182, Material Science and Material Properties for Infrared Optoelectronics; (1997) https://doi.org/10.1117/12.280455
Event: Material Science and Material Properties for Infrared Optoelectronics, 1996, Uzhgorod, Ukraine

Abstract

We have carried out experimental investigation of spectral and temperature dependences of photoconductivity in n-type Hg_1-xMn_xTe and studied an influence of nanosecond pulses of ruby laser irradiation on such properties. It has been shown that irradiation of the samples with subthreshold energy densities does not cause a change of their photosensitivity and leads to the surface refining from impurity atoms and oxides. A laser treatment of the samples with energy densities E > Eth stimulates a rise of the defect number in the crystals that causes a change of the lifetime characteristics and photosensitivity lowering.

Citation Download Citation

Elena P. Kopishinskaya, Peter E. Mozol', I. M. Rarenko, and Aleksandr I. Vlasenko "Influence of laser irradiation on Hg_1-xMn_xTe photoelectrical properties", Proc. SPIE 3182, Material Science and Material Properties for Infrared Optoelectronics, (26 August 1997); https://doi.org/10.1117/12.280455

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