正交晶系
锂(药物)
材料科学
离子电导率
离子键合
结晶学
晶体结构
相(物质)
导线
离子
化学
物理化学
电解质
医学
内分泌学
复合材料
有机化学
电极
作者
Kenji Homma,Masao Yonemura,Masanori Nagao,Masaaki Hirayama,Ryoji Kanno
标识
DOI:10.1143/jpsjs.79sa.90
摘要
Crystal structure of the high-temperature phase of lithium ionic conductor, Li 3 PS 4 , was determined using high-temperature synchrotron X-ray diffraction data. Li 3 PS 4 belongs to the thio-LISICON (LIthium Super Ionic CONductor) family and shows high ionic conductivity above 500 K. The high-temperature α phase with space group, P b c n (60), has an orthorhombic cell parameter, a = 8.6125(2) Å, b = 9.0211(2) Å, and c = 8.42621(2) Å at 906 K. The PS 4 tetrahedra are isolated with each other and form an alternating T + row and T - row, where T + and T - indicate that the apex of the tetrahedra is up and down, respectively. These PS 4 arrangements are different from those of the medium temperature β-phase and the low-temperature γ-phase.
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