Electrical Transport Properties of Lead-Free (Na0.5Bi0.5)1-xBaxZr0.04Ti0.96O3 Ceramics (x=0.06, 0.085, 0.1)

被引：0

作者：

Suchanicz, J. ^{[1
]}

Stopa, G. ^{[1
]}

Pytel, K. ^{[2
]}

Konieczny, K. ^{[1
]}

Finder, A. ^{[3
]}

Antonova, M. ^{[4
]}

Sternberg, A. ^{[4
]}

机构：

[1] Pedag Univ, Inst Phys, PL-30084 Krakow, Poland

[2] Pedag Univ, Inst Tech, PL-30084 Krakow, Poland

[3] High Natl Sch, PL-38500 Sanok, Poland

[4] Univ Latvia, Inst Solid State Phys, LV-1063 Riga, Latvia

来源：

FERROELECTRICS | 2011年 / 418卷

关键词：

Ferroelectric; Na0.5Bi0.5TiO3-based ceramics; electric properties; SINGLE-CRYSTAL; DIELECTRIC RESPONSE; BISMUTH-TITANATE; AC CONDUCTION; THIN-FILMS; BEHAVIOR; CHALCOGENIDE; FREQUENCY;

D O I：

10.1080/00150193.2011.578956

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lead-free ceramics (Na0.5Bi0.5)(1-x)BaxZr0.04Ti0.96O3 were prepared by solid phase hot pressing sintering process. Density values of obtained samples are higher than 95% of the theoretical ones. Samples with x = 0.06, 0.085 and 0.1 were investigated in the present work. For these samples both ac and dc electric conductivity were studied. A low frequency (100 Hz-100 kHz) ac conductivity obeys the power law, characteristic for disordered materials. The dc conductivity has a thermally activated character. A barrier hopping model is found to explain the mechanism of charge transport in these materials. The (Na0.5Bi0.5)(1-x)BaxZr0.04Ti0.96O3 system is expected to be a new and promising candidate for the lead-free electronic ceramics.

引用

页码：106 / 115

页数：10

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