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.
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收藏
页码：106 / 115
页数：10
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