La doping effects on intergrowth Bi2WO6-Bi3TiNbO9 ferroelectrics

被引：16

作者：

Yi, Z. G. ^{[1
]}

Li, Y. X. ^{[1
]}

Yang, Q. B. ^{[1
]}

Yin, Q. R. ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2008年 / 34卷 / 04期

关键词：

dielectric properties; impedance; ferroelectric properties;

D O I：

10.1016/j.ceramint.2007.09.016

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

La doping effects on intergrowth Bi2WO6-Bi3TiNbO9 ferroelectric ceramics were studied by X-ray diffraction, electron probe microartalysis and dielectric spectroscopy. It was found that the La3+ distribution, ferroelectric phase transition and dielectric relaxation behavior are apparently affected by La doping. With increasing La3+ content, the site of dopant ion varies, the grain growth of Bi5TiNbWO15 is restrained, the Curie temperature is reduced and broadened. Furthermore, two dielectric relaxation loss peaks were observed both in temperature and frequency spectra. The calculated relaxation parameters revealed the oxygen vacancy related to the relaxation process. (C) 2007 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：735 / 739

页数：5

共 17 条

[1] Oxygen-vacancy-related low-frequency dielectric relaxation and electrical conduction in Bi:SrTiO3 [J].

Ang, C ;

Yu, Z ;

Cross, LE .

PHYSICAL REVIEW B, 2000, 62 (01) :228-236

[2] Oxide ion conductivity in Bi(2)W(1-x)ME(x)O(6-x/2) (ME=Nb,Ta) [J].

Baux, N ;

Vannier, RN ;

Mairesse, G ;

Nowogrocki, G .

SOLID STATE IONICS, 1996, 91 (3-4) :243-248

[3] Dielectric and ferroelectric anisotropy of intergrowth Bi4Ti3O12-PbBi4Ti4O15 single crystals [J].

Goshima, Y ;

Noguchi, Y ;

Miyayama, M .

APPLIED PHYSICS LETTERS, 2002, 81 (12) :2226-2228

[4] Substitution of Sm3+ and Nd3+ for Bi3+ in SrBi8Ti7O27 mixed aurivillius phase [J].

Hou, RZ ;

Chen, XM ;

Wu, SY .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 2003, 42 (08) :5169-5171

[5] FAMILY OF MIXED-LAYER TYPE BISMUTH COMPOUNDS [J].

KIKUCHI, T ;

WATANABE, A ;

UCHIDA, K .

MATERIALS RESEARCH BULLETIN, 1977, 12 (03) :299-304

[6] The LPS concept, a new way to look at anionic conductors [J].

Lacorre, P .

SOLID STATE SCIENCES, 2000, 2 (08) :755-758

[7] Influence of SRO top electrode on fatigue characteristics of FRAM [J].

Matsuura, O ;

Kurasawa, M ;

Umemiya, S ;

Maruyama, K ;

Kurihara, K .

ELECTROCERAMICS IN JAPAN VII, 2004, 269 :69-72

[8] STRUCTURAL BASIS OF FERROELECTRICITY IN BISMUTH TITANATE FAMILY [J].

NEWNHAM, RE ;

WOLFE, RW ;

DORRIAN, JF .

MATERIALS RESEARCH BULLETIN, 1971, 6 (10) :1029-&

[9] Defect control for large remanent polarization in bismuth titanate ferroelectrics doping effect of higher-valent cations [J].

Noguchi, YJ ;

Miwa, I ;

Goshima, Y ;

Miyayama, M .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 2000, 39 (12B) :L1259-L1262

[10] TRACER DIFFUSION OF OXYGEN IN YBA2CU3O7-DELTA [J].

ROTHMAN, SJ ;

ROUTBORT, JL ;

BAKER, JE .

PHYSICAL REVIEW B, 1989, 40 (13) :8852-8860

← 1 2 →