Impedance-fatigue correlated studies on SrBi2Ta2O9
Data(s) |
15/10/1999
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Resumo |
Ceramic samples of SrBi2Ta2O9 (SBT) were prepared by the solid state reaction method with a view to study their electrical properties. Reasons as to why SBT shows better fatigue endurance than conventional perovskites like Pb(Zr, Ti)O-3 are looked into. Complex impedance spectroscopy (CIS) was used as a tool to do so. CIS data was acquired over the temperature range from room temperature to 500 degrees C over a wide range of frequencies. Electrical conductivity data indicates that the conductivity in SBT is essentially due to oxygen vacancies and the activation energy for conduction in the high temperature region was found to be 0.95 eV. CIS was used to separate out the bulk and the interfacial contributions to complex impedance. |
Formato |
application/pdf |
Identificador |
http://eprints.iisc.ernet.in/19784/1/article.pdf James, AR and Balaji, S and Krupanidhi, SB (1999) Impedance-fatigue correlated studies on SrBi2Ta2O9. In: Materials Science and Engineering, 64 (3). pp. 149-156. |
Publicador |
Elsevier Science |
Relação |
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TXF-3XF081N-2&_user=512776&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000025298&_version=1&_urlVersion=0&_userid=512776&md5=7259df34d5bdad8b2d24e25e1420c5c1 http://eprints.iisc.ernet.in/19784/ |
Palavras-Chave | #Materials Research Centre |
Tipo |
Journal Article PeerReviewed |