Structure refinement of lithium ion conductors Li3Sc2(PO4)3 and Li3-2x(Sc1-xMx)2(PO4)3 (M = Ti, Zr) with x = 0.10 by neutron diffraction

被引：44

作者：

Suzuki, T

Yoshida, K

Uematsu, K

Kodama, T

Toda, K

Ye, ZG

Ohashi, M

Sato, M

机构：

[1] Niigata Univ, Fac Engn, Dept Chem & Chem Engn, Niigata 9502181, Japan

[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9800812, Japan

来源：

SOLID STATE IONICS | 1998年 / 113卷

关键词：

lithium ion conductors; solid electrolyte; phase transition; Rietveld analysis; neutron diffraction;

D O I：

10.1016/S0167-2738(98)00279-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The crystal structure of lithium ion conductors, Li3Sc2(PO4)(3) and Li3-2x(Sc1-xMx)(2)(PO4)(3) (M = Ti, Zr) with x = 0.10, were refined by Rietveld analysis for neutron diffraction patterns in order to confirm the site location and site occupancy for Li ions. The Rietveld refinement confirmed that a high disorder was introduced to three kinds of Li sites in the high temperature superionic conduction phase of Li3Sc2(PO4)(3). The high temperature phase was stabilized at room temperature by substituting Ti4+ or Zr4+ for Sc3+ sites. The stabilized materials were also found to have similar high disorder over the Li sites. (C) 1998 Published by Elsevier Science B.V. All rights reserved.

引用

页码：89 / 96

页数：8

共 12 条

[1] LI+ -ION CONDUCTIVITY OF LI1+XMXTI2-X(PO4)3 (M-SC(3+),Y(3+)) [J].