Fracto-luminescence of rare earth element-doped hexacelsian (BaAl2Si2O8)

被引:24
作者
Ishihara, T [1 ]
Tanaka, K [1 ]
Hirao, K [1 ]
Soga, N [1 ]
机构
[1] KYOTO UNIV,FAC ENGN,DIV MAT CHEM,SAKYOU KU,KYOTO 60601,JAPAN
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1997年 / 36卷 / 6B期
关键词
fracto-luminescence; hexacelsian; Sm; Eu; visible light; feldspar; mica structure;
D O I
10.1143/JJAP.36.L781
中图分类号
O59 [应用物理学];
学科分类号
摘要
Luminescence induced by fracture has been observed in rare earth element-doped hexacelsian (BaAl2Si2O8). The color of the luminescence varies depending on the kinds of doped rare earth element. Eu2+-doped hexacelsian exhibits a luminescence of blue or green color. Sm2+- and Sm3+-doped hexacelsians exhibit a luminescence of red color. The color of luminescence agrees with the emission wavelength in each fluorescence spectrum. It is inferred that the origin of the luminescence is the electronic transition of rare earth ions excited by photons emitted due to fracture of hexacelsian.
引用
收藏
页码:L781 / L783
页数:3
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