Microstructural and Dielectric Properties of (Ba,Nb)(Ti,Cu)O₃-(BNTC) and (Ba,Nb)(Ti,Sn)O₃-(BNTS) Ceramics
Microstructural and dielectric studies of (Ba1-xNbx)(Ti1-xl2Cuxl2)03 and (Ba1-xNbx)(Ti1-xl2Snxl2)03 prepared by solid-state reaction route were investigated . The compositions with varying x in those systems were prepared by standard powder processing techniques. The two systems were based on th...
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| 格式: | Thesis |
| 语言: | English English |
| 出版: |
2003
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| 主题: | |
| 在线阅读: | http://psasir.upm.edu.my/id/eprint/9545/1/FSAS_2003_15_A.pdf |
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| 总结: | Microstructural and dielectric studies of (Ba1-xNbx)(Ti1-xl2Cuxl2)03 and
(Ba1-xNbx)(Ti1-xl2Snxl2)03 prepared by solid-state reaction route were
investigated . The compositions with varying x in those systems were
prepared by standard powder processing techniques. The two systems were
based on the reaction between BaC03, N b205, Ti02 and CuO to form
(Ba,Nb)(Ti,Cu)03 (BNTC) and the other system is the reaction between
BaC03, Nb205, Ti02 and Sn02 to form (Ba,Nb)(Ti,S n)03(BNTS). These
ceramics compounds are of commercial importance as ceramic capacitors
and there is also scientific interest since it provides a straightforward example
of the effect of solid solution composition of ceramics on dielectric properties.
This thesis reports the detailed investigation with respect to the above
mentioned compositions. The variation of microstructure with sintering
temperature and soaking time at each sintering temperature, and that in the
capacitance and resistance of each of the sample has been examined . |
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