Sintering and microstuctural characterization of W6+, Nb5+ and Ti4+ iron-substituted BiFeO3

被引：36

作者：

Bernardo, M. S. ^{[1
]}

Jardiel, T. ^{[1
]}

Peiteado, M. ^{[1
]}

Caballero, A. C. ^{[1
]}

Villegas, M. ^{[1
]}

机构：

[1] CSIC, Inst Ceram & Vidrio, Dept Electroceram, Madrid 28049, Spain

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 26期

关键词：

Multiferroic materials; X-ray diffraction; Solid state reactions; Sintering Scanning electron microscopy; Microstructure; THERMODYNAMIC STABILITY; MAGNETIC-PROPERTIES; SYSTEM; EVOLUTION; CRYSTAL;

D O I：

10.1016/j.jallcom.2011.04.087

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 sintering behaviour and the microstructural evolution of W6+, Nb5+ and Ti4+ iron-substituted BiFeO3 ceramics have been analyzed. The obtained results show that W6+ and Nb5+ ions interact with the secondary phases usually present in these materials, thus altering the solid state formation of the BiFeO3 phase. In contrast, Ti4+ ions incorporate into the perovskite structure, leading to an exceptionally low proportion of secondary phases. In addition to this, BiFe0.95Ti0.05O3 materials present a dense microstructure with submicronic and nanostructured grains, clearly smaller than those in the undoped materials. (C) 2011 Elsevier B. V. All rights reserved.

引用

页码：7290 / 7296

页数：7

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