Sintering and electrical properties of Ce1-xBixO2-δ solid solution

被引：16
|
作者：
Prekajski, M. [1 ]
Stojmenovic, M. [1 ]
Radojkovic, A. [2 ]
Brankovic, G. [2 ]
Oraon, H. [3 ]
Subasri, R. [3 ]
Matovic, B. [1 ]
机构：
[1] Univ Belgrade, Vinca Inst Nucl Sci, Mat Sci Lab, Belgrade, Serbia
[2] Univ Belgrade, Inst Multidisciplinary Res, Belgrade 11030, Serbia
[3] Int Adv Res Ctr Powder Met & New Mat ARCI, Hyderabad 500005, Andhra Pradesh, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 617卷
关键词：
Nanostructured materials; Sintering; Electrochemical impedance spectroscopy; Microstructure; Scanning electron microscopy; CERIA; TEMPERATURE; CONDUCTIVITY; ELECTROLYTE;
D O I：
10.1016/j.jallcom.2014.08.090
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：
Solid solution Ce1-xBixO2-delta nanopowders with the composition of x = 0.1-0.5 were synthesized by using Self Propagating Room Temperature procedure (SPRT). The results obtained by XRPD show that synthesized samples were single-phase solid solution at room temperature. Powders were densified by using Conventional (CS) and Microwave (MS) Sintering techniques at different temperatures, in an air atmosphere for 1 h. Scanning electron microscopy (SEM) and complex impedance method measurements were carried out on sintered samples. Maximum achieved density was for sample with Ce0.80Bi0.20O2-delta composition for both applied sintering techniques. The highest conductivity was obtained for the ceramic composition Ce0.80Bi0.20O2-delta sintered by microwave technique at 700 degrees C. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：563 / 568
页数：6
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