TITLE

Competing A-site and B-site driven ferroelectric instabilities in the (1-x)PbTiO3-(x)BiAlO3 system

AUTHOR(S)
Kalyani, Ajay Kumar; Garg, Rohini; Ranjan, Rajeev
PUB. DATE
May 2009
SOURCE
Applied Physics Letters;5/18/2009, Vol. 94 Issue 20, p202903
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The system (1-x)PbTiO3-(x)BiAlO3 has been investigated with regard to its solid solubility, crystal structure, microstructure, and ferroelectric transition. The unit cell volume and the tetragonality exhibit anomalous behavior near x=0.10. The Curie point (TC) of PbTiO3 was however found to be nearly unchanged. The study seems to suggest that the decrease in the stability of the ferroelectric state due to dilution of the Ti-sublattice by smaller sized Al+3 ions is compensated by the increase in the ferroelectric stability by the Bi+3 ions.
ACCESSION #
40125737

 

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