首页|Microstructure and Electrical Properties of Bi~(3+) Modified ZnO Ceramics

Microstructure and Electrical Properties of Bi~(3+) Modified ZnO Ceramics

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  • Trans Tech Publications Ltd
High-quality bismuth modified zinc oxide ceramics were obtained by conventional ceramic method. The phase analysis revealed pure hexagonal ZnO phase in all the samples. High relative density (above 95%), when compared with theoretical density of ZnO, was achieved by the Arquimides' method. Non-linear coefficients, obtained from the J-E curves, shown an increase in their values as the bismuth content increases. Complex impedance analysis revealed an increase of the semicircle diameters with the increase of the bismuth content. The obtained results will be discussed within the framework of the current theoretical model proposed in the literature.

electric propertiesimpedance spectroscopy

J. D. S. Guerra、Y. Leyet、F. Guerrero、Y. Romaguera、J. Perez、L. Aguilera

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Grupo de Ferroeletricos e Materials Multifuncionais, Instituto de Fisica, Universidade Federal de Uberlandia. 38400-902, Uberlandia - MG, Brazil

Grupo de Ciencia de Materiales, Departamento de Fisica, Facultad de Ciencias Naturales. Universidad de Oriente. 90-500, Santiago de Cuba. Cuba

Grupo de Ciencia de Materiales, Departamento de Fisica, Facultad de Ciencias Naturales. Universidad de Oriente. 90-500, Santiago de Cuba. Cuba INESC-Porto, UOSE, Rua do Campo Alegre, 687. 4169-007, Porto, Portugal

INESC-Porto, UOSE, Rua do Campo Alegre, 687. 4169-007, Porto, Portugal

UEB Laboratorio, Empresa Geominera Oriente. 90500, Santiago de Cuba, Cuba

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2010

10.4028/www.scientific.net/KEM.434-435.318

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.434/435
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