Comparison of optical and HRTEM studies of interdiffusion in CdTe/CdMnTe quantum wells

Wypior, G. and Kaiser, S. and Kossacki, P. and Khoi, N. T. and Gaj, J. A. and Gebhardt, Wolfgang and Karczewski, G. and Wojtowicz, T. and Kossut, J. (1998) Comparison of optical and HRTEM studies of interdiffusion in CdTe/CdMnTe quantum wells. SEMICONDUCTOR SCIENCE AND TECHNOLOGY, 13 (1). pp. 93-96. ISSN 0268-1242, 1361-6641

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Abstract

Thermally induced interdiffusion in CdTe/CdMnTe quantum wells was investigated by optical and high-resolution transmission electron microscopy (HRTEM) measurements. The exciton Zeeman splitting was used to study the concentration profile of manganese ions at the interfaces. HRTEM measurements allowed us to measure the relative change of the lattice constants due to intermixing of manganese ions. The comparison shows that the two methods are complementary: HRTEM is more efficient to study strongly interdiffused structures, while optical methods, being very sensitive at small interdiffusion, become less efficient for broad interface profiles.

Item Type: Article
Uncontrolled Keywords: SEMICONDUCTORS
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 01 Mar 2023 09:59
Last Modified: 01 Mar 2023 09:59
URI: https://pred.uni-regensburg.de/id/eprint/50293

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