Crystal structure and electrical properties of LiFeTi4 spinel

被引：47

作者：

Arillo, MA

Lopez, ML

Perez-Cappe, E

Pico, C

Veiga, ML

机构：

[1] Univ Complutense Madrid, Fac Ciencias Quim, Dept Quim Inorgan 1, E-28040 Madrid, Spain

[2] Univ La Habana, Fac Quim, IMRE, Havana, Cuba

来源：

SOLID STATE IONICS | 1998年 / 107卷 / 3-4期

关键词：

lithium spinel; crystal structure; ionic conductivity;

D O I：

10.1016/S0167-2738(97)00537-7

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 complex oxide LiFeTiO4 was prepared by an usual solid state method and its crystal structure has been refined by Rietveld's analysis of powder X-ray diffraction data. These results indicate a spinel-type structure in which all titanium cations are in octahedral sites whereas lithium and iron cations are distributed on tetrahedral and octahedral sites, nearly in the same ratio, that could be expressed by the formula: (Li0.47Fe0.53)[Li0.53Fe0.47Ti]O-4. The ionic conductivity measured on polycrystalline samples has been obtained by ac techniques in the temperature range of 473-873 K. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：307 / 312

页数：6

共 14 条

[1] THE EXTRACTION OF IONIC CONDUCTIVITIES AND HOPPING RATES FROM AC CONDUCTIVITY DATA [J].