A.C. Impedance Spectroscopy of B-Axis Oriented SrO Substituted BaTi2O5 Prepared by Arc-Melting

Xin Yan Yue; Rong Tu; Takashi Goto

doi:10.4028/www.scientific.net/KEM.352.277

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 352A.C. Impedance Spectroscopy of B-Axis Oriented SrO...

A.C. Impedance Spectroscopy of B-Axis Oriented SrO Substituted BaTi₂O₅ Prepared by Arc-Melting

Abstract:

b-axis oriented SrO substituted BaTi2O5 (Ba1-xSrxTi2O5) was prepared by arc-melting. The effect of SrO substitution on the dielectric properties of BaTi2O5 (BT2) was investigated by A.C. impedance spectroscopy. The Cole-Cole plot of Ba1-xSrxTi2O5 showed a distorted semi-circle which was deconvoluted into two semicircles corresponding to the bulk BT2 and a second phase. The complex impedance, modulus and capacitances from the ferroelectric bulk matrix and the paraelectric second phase of Ba1-xSrxTi2O5 were simulated by a Maxwell-Wagner model.

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Periodical:

Key Engineering Materials (Volume 352)

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277-280

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.352.277

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Online since:

August 2007

Authors:

Xin Yan Yue, Rong Tu, Takashi Goto

Keywords:

AC Impedance Spectroscopy (ACIS), Arc-Melting, Ba_1-xSr_xTi₂O₅

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