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Dresden 2011 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 87: ZnO: Growth and Defects

HL 87.7: Talk

Friday, March 18, 2011, 12:00–12:15, POT 51

Ion-beam Induced Luminescence in n-type Zinc Oxide — •Ronald Stübner1, Matthias Allardt1, Daniel Severin2, Markus Bender2, and Jörg Weber11Technische Universität Dresden, 01062 Dresden, Germany — 2GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany

Ion implantation of semiconductors introduces a wide variety of defects. Their concentration and depth profile depends on the energy and the fluence of the ions as well as on the temperature of the sample during the irradiation. The in-situ monitoring of these defects helps to understand the creation mechanism and kinetics of the different kinds of defects. The design and assembly of an ionoluminescence measurement system was done during a diploma thesis. The system has been installed at the M-Branch of the ion accelerator at the GSI Helmholtz Centre for Heavy Ion Research in Darmstadt where samples of n-type ZnO single crystals have been irradiated at room temperature and low temperatures, respectively. In this talk, the results of these measurements as well as the results of subsequent photoluminescence investigations will be presented.

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