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Tuning the mechano-optical conversion in CaZnOS with Cu ion concentration

Tuning the mechano-optical conversion in CaZnOS with Cu ion concentration This article reports a new class of mechano-optical materials CaZnOS : Cu with a non-centrosymmetric layered structure. The mechano-optical conversion is strongly dependent on the Cu concentration in CaZnOS. The mechano-optical conversion of CaZnOS : Cu changes from initial mechanoluminescence to mechanical quenching (MQ) with increasing Cu concentration, and reaches a maximum MQ intensity at 0.01%. It is proposed that MQ arises from nonradiative recombination, caused by electron transfer from trap levels to nonradiative centers as a result of the mechanical load. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Physics D: Applied Physics IOP Publishing

Tuning the mechano-optical conversion in CaZnOS with Cu ion concentration

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References (34)

Copyright
Copyright © 2015 IOP Publishing Ltd
ISSN
0022-3727
eISSN
1361-6463
DOI
10.1088/0022-3727/48/47/475105
Publisher site
See Article on Publisher Site

Abstract

This article reports a new class of mechano-optical materials CaZnOS : Cu with a non-centrosymmetric layered structure. The mechano-optical conversion is strongly dependent on the Cu concentration in CaZnOS. The mechano-optical conversion of CaZnOS : Cu changes from initial mechanoluminescence to mechanical quenching (MQ) with increasing Cu concentration, and reaches a maximum MQ intensity at 0.01%. It is proposed that MQ arises from nonradiative recombination, caused by electron transfer from trap levels to nonradiative centers as a result of the mechanical load.

Journal

Journal of Physics D: Applied PhysicsIOP Publishing

Published: Dec 2, 2015

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