Observation of enhanced defect emission and excitonic quenching from spherically indented ZnO
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Coleman, Victoria A
Bradby, J. E.
Jagadish, C.
Phillips, M. R.
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American Institute of Physics
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The influence of spherical nanoindentation on the band edge and deep level emission of single crystal c-axis ZnO has been studied by cathodoluminescence(CL) spectroscopy and monochromatic imaging. Excitonic emission is quenched at the indent site and defect emission in the range of 450–720nm is enhanced.
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Applied Physics Letters
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