Preparation, Crystal Structure, and Redu
β
Lou Hui; Chen Ping; Ge Yuping; Lu Yueqing; LΓΌ Guanglie; XΓΌ Yuanzhe; Ma Futai
π
Article
π
1998
π
Elsevier Science
π
English
β 320 KB
K 2 NiF 4 type compounds Eu 2Ψx Sr x NiO 4Ψ (0.54x41.2) have been prepared by a citric acid complex decomposition method. Rietveld refinement of the powder X-ray diffraction data showed that there was a crystal system transformation from orthorhombic Fmmm to tetragonal I4/mmm at around x β«Ψβ¬ 0.6-0.7