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Cathodoluminescence Study of Indented ZnO Crystals

  • Juan Jiménez (a1), Manuel Avella (a2), Juan Jiménez (a3), Tomás Rodríguez (a4), Michael Callahan (a5), E. Grant (a6), K. Rakes (a7), David Bliss (a8) and Buguo Wang (a9)...

Abstract

Vickers indentations of ZnO crystals grown by te hydrothermal method wer studied by cathodoluminescence. The plastic deformation induced defects, which have influence on the luminescence spectrum. The main changes in the luminescence response concern the generation of non radiative recombination centers, but also a band close to the first order phonon replica of the free exciton is observed to appear in the regions deformed by the indentation. Besides, deep levels are also generated. The result of this is a relative increase of the defect related bands respect to the dominant bound exciton emission.

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Keywords

Cathodoluminescence Study of Indented ZnO Crystals

  • Juan Jiménez (a1), Manuel Avella (a2), Juan Jiménez (a3), Tomás Rodríguez (a4), Michael Callahan (a5), E. Grant (a6), K. Rakes (a7), David Bliss (a8) and Buguo Wang (a9)...

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