Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric
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The American Ceramic Society
2012
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my.unimap-218312012-11-20T08:21:58Z Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric Rozana Aina, Maulat Osman, Dr. Maso, Nahum West, Anthony R. rozana@unimap.edu.my Bismuth zinc niobate Pyrochlore structures Ferroelectricity Impedance data Constant phase element (CPE) Link to publisher's homepage at http://ceramics.org/ Fixed frequency plots of ε and tan δ versus temperature for (Bi 1.5Zn 0.5)(Zn 0.5Nb 1.5)O 7 (BZN) ceramics with the pyrochlore structure show relaxor-like response below ∼180 K with frequency-independent permittivity of ∼130 above ∼180 K and over the frequency range of 10 3-10 6 Hz. Impedance data in the range, 10-180 K fit an equivalent circuit derived from the classic dielectric relaxation circuit in which the relaxation resistance is replaced by a constant phase element (CPE). Temperature dependence of the circuit parameters shows that BZN is not ferroelectric; the CPE, which is responsible for the relaxor-like behavior, gradually changes from primarily capacitive to primarily resistive with increasing temperature. 2012-11-20T08:21:57Z 2012-11-20T08:21:57Z 2012-01 Article Journal of the American Ceramic Society, vol. 95 (1), 2012, pages 296-302 0002-7820 http://onlinelibrary.wiley.com/doi/10.1111/j.1551-2916.2011.04779.x/pdf http://hdl.handle.net/123456789/21831 en The American Ceramic Society |
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English |
| topic |
Bismuth zinc niobate Pyrochlore structures Ferroelectricity Impedance data Constant phase element (CPE) |
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Bismuth zinc niobate Pyrochlore structures Ferroelectricity Impedance data Constant phase element (CPE) Rozana Aina, Maulat Osman, Dr. Maso, Nahum West, Anthony R. Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric |
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Link to publisher's homepage at http://ceramics.org/ |
| author2 |
rozana@unimap.edu.my |
| author_facet |
rozana@unimap.edu.my Rozana Aina, Maulat Osman, Dr. Maso, Nahum West, Anthony R. |
| format |
Article |
| author |
Rozana Aina, Maulat Osman, Dr. Maso, Nahum West, Anthony R. |
| author_sort |
Rozana Aina, Maulat Osman, Dr. |
| title |
Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric |
| title_short |
Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric |
| title_full |
Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric |
| title_fullStr |
Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric |
| title_full_unstemmed |
Bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric |
| title_sort |
bismuth zinc niobate pyrochlore, a relaxor-like non-ferroelectric |
| publisher |
The American Ceramic Society |
| publishDate |
2012 |
| url |
http://dspace.unimap.edu.my/xmlui/handle/123456789/21831 |
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1643793519573204992 |
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13.214268 |