Electrical properties of Bi(2)TiO(5) ceramic
Electrical properties of polycrystalline Bi(2)TiO(5) ceramic, prepared by a high-temperature solid-state reaction technique, were studied by using complex impedance spectroscopy. Preliminary structural analysis shows the formation of a new compound with an orthorhombic crystal structure at room temp...
Saved in:
| Published in: | Journal of alloys and compounds Vol. 490; no. 1-2; pp. 589 - 593 |
|---|---|
| Main Authors: | , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
04-02-2010
|
| Online Access: | Get full text |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Summary: | Electrical properties of polycrystalline Bi(2)TiO(5) ceramic, prepared by a high-temperature solid-state reaction technique, were studied by using complex impedance spectroscopy. Preliminary structural analysis shows the formation of a new compound with an orthorhombic crystal structure at room temperature. The spectroscopic data presented in impedance plane show the grain and grain boundary contributions towards electrical processes in the form of semi-circular arcs. A detailed analysis of the arcs reveals the presence of a parallel resistance and capacitance in series with a parallel resistance and constant phase element as an equivalent electrical circuit. The inclusion of constant phase element in the equivalent circuit is supported by Johnscher's power law. The dc conduction through Bi(2)TiO(5) reflects a series layer model (i.e., arrangement of capacitors in a series fashion) for the microstructure. |
|---|---|
| Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 content type line 23 ObjectType-Feature-1 |
| ISSN: | 0925-8388 |
| DOI: | 10.1016/j.jallcom.2009.10.092 |