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Blue-Greenish Light Emission from Stress-Activated SrCaMgSi2O7:Eu

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Abstract:

We have revealed that SrCaMgSi2O7:Eu phosphors emits blue-greenish light under the application of a mechanical stress, called as mechanoluminescence (ML). The ML showed a similar spectrum as photoluminescence, which indicated that ML is emitted from the same center of Eu2+ ions as PL. Such a blue-greenish light of ML emission can be seen by the naked eye when pressing the sample. In addition, the ML intensity of SrCaMgSi2O7:Eu proportionally increased with the increase of mechanical load.

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High-Performance Ceramics V View Preview

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Periodical:

Key Engineering Materials (Volumes 368-372)

Pages:

359-362

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.368-372.359

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Online since:

February 2008

Authors:

Hong Wu Zhang, Hiroshi Yamada, Nao Terasaki, Chao Nan Xu

Keywords:

Mechanoluminescence, Photoluminescence (PL), SrCaMgSi2O7:Eu

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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