New Mechanoluminescent Materials with Various Colors

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We have discovered that Sr2MgSi2O7:Eu, SrCaMgSi2O7:Eu and Ca2MgSi2O7:Eu phosphors emit blue, blue-greenish and green light under the application of a mechanical stress respectively, called as mechanoluminescence (ML). The ML showed a similar spectrum as photoluminescence (PL), which indicated that ML is emitted from the same center of Eu2+ ions as PL. Such bright lights of ML emission can be observed by the naked eye when pressing these samples.

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Edited by:

Kazumi Kato, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki

Pages:

305-308

Citation:

H. W. Zhang et al., "New Mechanoluminescent Materials with Various Colors", Key Engineering Materials, Vol. 388, pp. 305-308, 2009

Online since:

September 2008

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$38.00

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