Study on the electrical properties of Co-Ti double substituted Bi4V2O11

被引：16
|
作者：
Beg, Saba [1 ]
Salami, Nabil S. [1 ]
机构：
[1] Aligarh Muslim Univ, Dept Chem, Aligarh 202002, Uttar Pradesh, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 586卷
关键词：
Superconductors; X-ray diffraction; Ionic conduction; Electrochemical impedance spectroscopy; OXIDE-ION CONDUCTORS; THERMAL-STABILITY; SOLID-ELECTROLYTE; CONDUCTIVITY; IMPEDANCE; BIMEVOX; DEPENDENCE; CERAMICS;
D O I：
10.1016/j.jallcom.2013.10.061
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：
In the present work Bi2V0.9Co0.1 xTixO5.35+X; 0.02 <= x <= 0.08 was synthesized through standard solid state reaction method. X-ray diffraction and differential thermal analysis has been observed for various compositions and it was found that the tetragonal gamma-phase stabilized with gamma' <-> gamma phase transition for all the compositions. The ionic conductivity and dielectric permittivity of BICOTIVOX have been investigated by using AC impedance spectroscopy. The values of two components of complex impedance and the relaxation time of oxide ion movement through the grain interior and grain boundary decrease with increase temperature. The thermal dependence of total ionic conductivity revealed maximum (2.64 x 10 (4) S cm (1)) for x = 0.04 at 300 degrees C. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：302 / 307
页数：6
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