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

页码：563 / 568

页数：6

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