Triboluminescence dominated by crystallographic orientation

Triboluminescence (TL) is an optical phenomenon that has a long and varied history with broad applications, such as damage detection, X-ray source and mass health monitoring sensor. So far, the properties and mechanisms of TL remain not completely understood. The TL properties emitted during the sli...

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Bibliographic Details
Published in:Scientific reports 2016-05, Vol.6 (1), p.26324-26324, Article 26324
Main Authors: Wang, Kuifang, Ma, Liran, Xu, Xuefeng, Wen, Shizhu, Luo, Jianbin
Format: Article
Language:English
Subjects:
132/124
639/301/1019
639/4077
639/624/1111
Crystal structure
Humanities and Social Sciences
Investigations
multidisciplinary
Science
Stocking
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Summary:Triboluminescence (TL) is an optical phenomenon that has a long and varied history with broad applications, such as damage detection, X-ray source and mass health monitoring sensor. So far, the properties and mechanisms of TL remain not completely understood. The TL properties emitted during the sliding contact between Al 2 O 3 and SiO 2 surfaces were studied along different crystallographic orientations. In this study, the TL intensity of Al 2 O 3 was significantly enhanced as Al 2 O 3 surface was along a particular crystallographic orientation, which is an unconventional phenomenon. TL enhancement of Al 2 O 3 was not affected by air atmosphere and atomic stocking mode of Al 2 O 3 . The enhancement mechanism of Al 2 O 3 may be influenced by the surface state of Al 2 O 3 . This work provides a new method to control the intensity of TL and novel ideas to elucidate the TL mechanism.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep26324