Effect of HNO3 Treatment on the La0.6Sr0.4Co0.2Fe0.8O3-δ
Obtained via Combined EDTA-citrate Complexing Process
ZHOU Wei,XUE Xiao-Ping,GE Lei,ZHENG Yao,SHAO Zong-Ping,JIN Wan-Qin
Journal of Inorganic Materials . 2007, (4): 657 -662 .  DOI: 10.3724/SP.J.1077.2007.00657