京都大学Masato Goto、Yuichi Shimakawa等报道发现一类B位点有序排列的双钙钛矿,组成结构为Ln2LiFeO6 (Ln=La, Nd, Sm, Eu),在这种双钙钛矿中含有不常见的高价态Fe5+,这种异常高价态的Fe通过在强氧化性高压合成方法得以稳定。
参考文献
Masato Goto*, Tamio Oguchi, and Yuichi Shimakawa*, Geometrical Spin Frustration and Monoclinic-Distortion-Induced Spin Canting in the Double Perovskites Ln2LiFeO6 (Ln = La, Nd, Sm, and Eu) with Unusually High Valence Fe5+, J. Am. Chem. Soc. 2021, ASAP
DOI: 10.1021/jacs.1c09838
https://pubs.acs.org/doi/10.1021/jacs.1c09838