Development of highly sensitive mechanoluminescent sensor aiming at small strain measurement
作者： Yuki Fujio , Chao-Nan Xu , Maiko Nishibori , Yasutake Teraoka , Kazutaka Kamitani
DOI: 10.1142/S2010135X14500167
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摘要: This paper was focused on the elasticoluminescence (ELS) characteristics, especially a response to small strain (below 1000 μst), of mechanoluminescence (ML) sensor using strontium aluminate doped with amount europium (SrAl2O4:Eu) synthesized by different methods. By nitrate decomposition method as synthetic SrAl2O4:Eu, ML enhanced in comparison conventional solid-state reaction method. Based SEM observation and thermoluminescence (ThL) measurement, we proposed hypothesis that sensing characteristic affect plate-like shape SrAl2O4:Eu grain and/or shallower carrier trap levels formed
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