Investigation of possible half-metallic antiferromagnets on double perovskites LaAB B′ O6 (A=Ca,Sr,Ba; B, B′ =transition elements)

S. H. Chen, Z. R. Xiao, Y. P. Liu, Y. K. Wang

研究成果: 雜誌貢獻期刊論文同行評審

14 引文 斯高帕斯(Scopus)

摘要

We thoroughly investigated all the possible (C2 29 =406) candidates of half-metallic (HM) antiferromagnet (AFM) with the structure LaSrB B′ O6, where B B′ pairs are any combination of two 3d, 4d, and 5d transition elements. Sr was also replaced by Ca or Ba whenever HM-AFM was found and similar calculation was performed in order to probe more possibilities. We have found that LaAWX O6, where A=Ca,Sr,Ba and X=Tc,Re are potential candidates of HM-AFM. Among those HM-AFM candidates, LaA WReO6 (A=Sr,Ba) are rather robust than others for the structural optimization. Including previous Wang and Guo's work in 2006 and this work, we believe that we have found all possible HM-AFM candidates for double perovskites structure LaAB B′ O6 (A=Ca,Sr,Ba and B, B′ =transition elements).

原文英語
文章編號093908
期刊Journal of Applied Physics
108
發行號9
DOIs
出版狀態已發佈 - 2010 十一月 1
對外發佈

ASJC Scopus subject areas

  • 物理與天文學 (全部)

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