等结构
反铁磁性
结晶学
八面体
锰
化学
过渡金属
磁化率
四面体
金属
无机化学
材料科学
晶体结构
凝聚态物理
物理
有机化学
催化作用
生物化学
作者
K. S. Nanjundaswamy,J. Gopalakrishnan
标识
DOI:10.1016/0022-4596(83)90215-3
摘要
A series of quaternary metal sulfides of the general formula La3MM′S7 (M = Mn, Fe, Co; M′ = Al and M = Mg, Mn, Fe, Co, Ni; M′ = Fe) consisting of linear chains of face shared MS6 octahedra and isolated M′S4 tetrahedra has been prepared and studied. The aluminium compounds La3MAlS7 (M = Mn, Fe, Co) exhibit linear chain antiferromagnetism. Magnetic behavior of other La3MFeS7 sulfides has been examined in detail. The magnetic susceptibility of La3MgFeS7 shows that tetrahedral site Fe3+ undergoes a transition from S = 52 to S = 2 spin state around 150 K.
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