A.C. impedance spectroscopy of b-axis oriented SrO substituted BaTi 2O5 prepared by arc-melting

Xinyan Yue; Rong Tu; Takashi Goto

doi:10.4028/0-87849-454-5.277

A.C. impedance spectroscopy of b-axis oriented SrO substituted BaTi ₂O₅ prepared by arc-melting

Xinyan Yue, Rong Tu, Takashi Goto

Materials Processing and Characterization Division

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

b-axis oriented SrO substituted BaTi₂O₅ (Ba _1-xSr_xO₅) was prepared by arc-melting. The effect of SrO substitution on the dielectric properties of BaTi ₂O₅ (BT₂) was investigated by A.C. impedance spectroscopy. The Cole-Cole plot of Ba_1-xSr_xTi ₂O₅ 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 Ba_1-xSr _xTi₂O₅ were simulated by a Maxwell-Wagner model.

Original language	English
Pages (from-to)	277-280
Number of pages	4
Journal	Key Engineering Materials
Volume	352
DOIs	https://doi.org/10.4028/0-87849-454-5.277
Publication status	Published - 2007 Jan 1

Keywords

A.C. Impedance spectroscopy
Arc-melting
BaSrTiO

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

Access to Document

10.4028/0-87849-454-5.277

Cite this

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title = "A.C. impedance spectroscopy of b-axis oriented SrO substituted BaTi 2O5 prepared by arc-melting",

abstract = "b-axis oriented SrO substituted BaTi2O5 (Ba 1-xSrxO5) was prepared by arc-melting. The effect of SrO substitution on the dielectric properties of BaTi 2O5 (BT2) was investigated by A.C. impedance spectroscopy. The Cole-Cole plot of Ba1-xSrxTi 2O5 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-xSr xTi2O5 were simulated by a Maxwell-Wagner model.",

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AU - Tu, Rong

AU - Goto, Takashi

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N2 - b-axis oriented SrO substituted BaTi2O5 (Ba 1-xSrxO5) was prepared by arc-melting. The effect of SrO substitution on the dielectric properties of BaTi 2O5 (BT2) was investigated by A.C. impedance spectroscopy. The Cole-Cole plot of Ba1-xSrxTi 2O5 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-xSr xTi2O5 were simulated by a Maxwell-Wagner model.

AB - b-axis oriented SrO substituted BaTi2O5 (Ba 1-xSrxO5) was prepared by arc-melting. The effect of SrO substitution on the dielectric properties of BaTi 2O5 (BT2) was investigated by A.C. impedance spectroscopy. The Cole-Cole plot of Ba1-xSrxTi 2O5 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-xSr xTi2O5 were simulated by a Maxwell-Wagner model.

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