Alpha-particle irradiation and annealing effect on the vibrational modes in the GaAs-nipi doping superlattices

Herbert W. Kunert

doi:10.1117/12.425427

17 April 2001 Alpha-particle irradiation and annealing effect on the vibrational modes in the GaAs-nipi doping superlattices

Herbert W. Kunert

Author Affiliations +

Proceedings Volume 4413, International Conference on Solid State Crystals 2000: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology; (2001) https://doi.org/10.1117/12.425427
Event: International Conference on Solid State Crystals 2000, 2000, Zakopane, Poland

Abstract

We report on a comparative investigation of as grown and alpha particle irradiated Ga-As-nipi doping super-lattices. We have used inelastic light scattering and low temperature photoluminescence spectroscopy to study the change in structural as well as electronic properties. Depending on the dose of alpha particles, we have found that the degree of structural damage varies. The PL spectroscopy shows that the main, e-Zn(h), band shifts toward higher energy (with a decrease in intensity). After annealing, partial recovery is found.

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Herbert W. Kunert "Alpha-particle irradiation and annealing effect on the vibrational modes in the GaAs-nipi doping superlattices", Proc. SPIE 4413, International Conference on Solid State Crystals 2000: Epilayers and Heterostructures in Optoelectronics and Semiconductor Technology, (17 April 2001); https://doi.org/10.1117/12.425427

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