Microwave-induced patterns in n-GaAs and their photoluminescence imaging

Bel'kov, V. V. and Hirschinger, J. and Schowalter, D. and Niedernostheide, F. J. and Ganichev, Sergey D. and Prettl, Wilhelm and Mac Mathuna, D. and Novak, V. (2000) Microwave-induced patterns in n-GaAs and their photoluminescence imaging. PHYSICAL REVIEW B, 61 (20). pp. 13698-13702. ISSN 1098-0121, 1550-235X

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Abstract

Using the technique of photoluminescence imaging, self-organized patterns of high-electron density in homogeneous n-GaAs layers under homogeneous microwave irradiation are studied. The structures are shown to be analogous to current filaments in a static electric field. The symmetry of the microwave induced patterns is not constrained by the current feeding electrodes. It is, however, concluded that a feedback mechanism exists between the formation of high-conducting structures and the homogeneity of the incident microwave irradiation.

Item Type: Article
Uncontrolled Keywords: IMPURITY BREAKDOWN; LUMINESCENCE;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Wilhelm Prettl
Depositing User: Dr. Gernot Deinzer
Date Deposited: 03 May 2022 09:32
Last Modified: 03 May 2022 09:32
URI: https://pred.uni-regensburg.de/id/eprint/42486

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