Studies on the Valence State of Tb Ion in Eu1-xTbxBa2Cu3O7-δ
LI Li-ping, WEI Quan, WANG Yi-feng, LIU Hong-jian, HUANG Chang-lie, WANG Chun-lei, LI Fan, SU Wen-hui
Chem. J. Chinese Universities . 1992, (2): 217 -220 .