DocumentCode
2277162
Title
Internal Stress and Phase Coexistence in Bismuth Ferrite-Lead Titanate Ceramics
Author
Bell, Andrew J. ; Levander, Alejandro X. ; Turner, Stuart L. ; Comyn, Tim P.
Author_Institution
Univ. of Leeds, Leeds
fYear
2007
fDate
27-31 May 2007
Firstpage
406
Lastpage
409
Abstract
The large range of tetragonal and rhombohedral phase coexistence in BiFeO3-PbTiO3 slid solutions and the spontaneous disintegration of certain samples is investigated using X-ray diffraction. It is concluded that internal stress associated with the large spontaneous strain in the tetragonal phase is relieved by local transition to the lower volume rhombohedral phase. For larger grain sizes, microcracking provides an alternative route to stress relief.
Keywords
X-ray diffraction; bismuth compounds; grain size; internal stresses; lead compounds; microcracks; piezoceramics; BiFeO3-PbTiO3; X-ray diffraction; bismuth ferrite-lead titanate ceramics; grain size; internal stress; microcracking; rhombohedral phase; tetragonal phase; Bismuth; Capacitive sensors; Ceramics; Ferroelectric materials; Grain size; Internal stresses; Magnetic field induced strain; Temperature; Titanium compounds; X-ray diffraction;
fLanguage
English
Publisher
ieee
Conference_Titel
Applications of Ferroelectrics, 2007. ISAF 2007. Sixteenth IEEE International Symposium on
Conference_Location
Nara
ISSN
1099-4734
Print_ISBN
978-1-4244-1334-8
Electronic_ISBN
1099-4734
Type
conf
DOI
10.1109/ISAF.2007.4393280
Filename
4393280
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