ELECTRICAL RELAXATION STUDIES OF Li0.5Fe2.5O4 PREPARED BY TWO DIFFERENT TECHNIQUES

被引：0
|
作者：
Mohanty, Viswarupa [1 ]
Cheruku, Rajesh [1 ]
Vijayan, Lakshmi [1 ]
Govindaraj, G. [1 ]
机构：
[1] Pondicherry Univ, Sch Phys Chem & Appl Sci, Dept Phys, Kalapet 605014, Puducherry, India
来源：
Solid State Ionics: Ionics for Sustainable World | 2013年
关键词：
LITHIUM FERRITE; ABSORPTION;
D O I：
暂无
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：
An attempt has been made to synthesize nano-crystalline Li0.5Fe2.5O4 by solution combustion technique as well as solid state reaction route. Various characterization methods like XRD, TG-DTA and FTIR are employed to validate the structure and phase purity. The electrical relaxation studies have been represented with modulus and impedance at different temperatures. The dc conductivity and hopping frequency are thermally activated and their activation energies found to be in the range of 0.64-0.59 eV for combustion synthesis where as it is found to be 0.89-0.84 for solid state synthesis.
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页码：479 / 489
页数：11
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