The valence change from RE3+ to RE2+ (REEu, Sm, Yb) in SrB4O7: RE prepared in air and the spectral properties of RE2+
Zhiwu Pei, Qiang Su, Jiyu ZhangVolume:
198
Year:
1993
Language:
english
DOI:
10.1016/0925-8388(93)90143-b
File:
PDF, 250 KB
english, 1993