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13 - Electrical and Electronic Engineering, Metallurgy and Materials

University of Sheffield : B - Materials Science and Engineering

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Article title

Electrical characterization and equivalent circuit analysis of (Bi1.5Zn0.5)(Nb0.5Ti1.5)O7 Pyrochlore, a relaxor ceramic

Type

D - Journal article

DOI

10.1063/1.3553883

Title of journal

Journal of Applied Physics

Article number

074106

Volume number

109

Issue number

First page of article

ISSN of journal

00218979

Year of publication

2011

URL

Number of additional authors

Additional information

A completely new method for analysing the electrical properties of relaxors. All previous analyses used fixed frequency permittivity and dielectric loss data as a function of temperature. Here, using variable frequency impedance data, the electrical response in time and temperature is analysed and modelled for the first time (with follow-on paper in J. Amer. Ceram. Soc., 95 296 (2012)). Since all previous analysis methods were restricted to fixed frequency data, deconvolution of data into resistive/capacitive components, and their temperature dependence, was impossible. This new method should have wide applicability for relaxors and relaxor ferroelectrics.

Interdisciplinary

Cross-referral requested

Research group

None

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract