Effect of Fe/Ta doping on structural, dielectric, and electrical properties of Bi 4 Ti 2.5 Fe 0.25 Ta 0.25 O 12  ceramics | Zendy

Rehman Fida | Zendy; Wang Lin | Zendy; Jin HaiBo | Zendy; Bukhtiar Arfan | Zendy; Zhang Ruibo | Zendy; Zhao Yongjie | Zendy; Li JingBo | Zendy

Premium

Effect of Fe/Ta doping on structural, dielectric, and electrical properties of Bi 4 Ti 2.5 Fe 0.25 Ta 0.25 O 12 ceramics

Author(s) -

Rehman Fida,

Wang Lin,

Jin HaiBo,

Bukhtiar Arfan,

Zhang Ruibo,

Zhao Yongjie,

Li JingBo

Publication year - 2017

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/jace.14577

Subject(s) - aurivillius , materials science , dielectric , rietveld refinement , ferroelectricity , ceramic , analytical chemistry (journal) , dielectric spectroscopy , phase transition , doping , atmospheric temperature range , phase (matter) , ferroelectric ceramics , crystallography , crystal structure , condensed matter physics , chemistry , electrochemistry , thermodynamics , optoelectronics , metallurgy , electrode , physics , organic chemistry , chromatography

Aurivillius single‐phase Bi 4 Ti 2.5 Fe 0.25 Ta 0.25 O 12 ceramics was prepared via high‐temperature solid‐state reaction method. The detailed structural analysis of the doped Bi 4 Ti 3 O 12 compound was carried out by Rietveld refinement of the full XRD Pattern. Dielectric and electrical properties were studied in a wide range of temperature and frequency by dielectric/impedance spectroscopies. The comprehensive analysis of frequency spectrum reveals the occurrence of two relaxation behaviors in the ceramics at low frequency and high frequency, respectively. A phase transition was observed at ~650°C in Bi 4 Ti 2.5 Fe 0.25 Ta 0.25 O 12 somewhat lower than the ferroelectric transition temperature of Bi 4 Ti 3 O 12 . The possible reason for the decrease of ferroelectric transition temperature was discussed based on the structural analysis. The present results could be useful for designing and/or modifying properties of Bi 4 Ti 3 O 12 ‐related ceramics.

This content is not available in your region!

Continue researching here.

Having issues? You can contact us here

Accelerating Research