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The luminescent characteristics of RE (RE 3+ =Eu, Tb, Dy, Sm and Tm)-doped K 2 GdZr(PO 4 ) 3 have been investigated. The band in the range of 130–157nm in the VUV excitation spectra of these compounds is attributed to the host lattice or PO 43− group absorption and the band from 157nm to 215nm with the maximum at 188nm is due to the O–Zr charge transfer...
The VUV excited luminescent properties of Ce 3+ , Tb 3+ , Eu 3+ and Tm 3+ in the matrices of KMGd(PO 4 ) 2 (M=Ca, Sr) were investigated. The bands at about 165nm and 155nm in the VUV excitation spectra are attributed to host lattice absorptions of the two matrices. For Ce 3+ -doped samples, the Ce 3+ 5d levels can be identified. As for...
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