Crystal and electronic structures of Bi4−xLaxTi3O12 ferroelectric materials

Shimakawa, Yuichi; Kubo, Yoshimi; Tauchi, Y.; Asano, H.; Kamiyama, Takashi; Izumi, Fujio; Hiroi, Zenji

doi:10.1063/1.1410877

Public

Crystal and electronic structures of Bi4−xLaxTi3O12 ferroelectric materials

Published in Applied Physics Letters • Oct 22, 2001

Authors:

Yuichi Shimakawa

Yoshimi Kubo

Y. Tauchi

Abstract

The crystal structures of Bi4Ti3O12 and Bi3.25La0.75Ti3O12 were refined by neutron powder diffraction. Large structural distortions were revealed, and ferroelectric polarizations along the a and c axes were calculated from the displacements of the constituent ions. In Bi3.25La0.75Ti3O12, La atoms su...

Subject

Ferroelectricity

Materials science

Curie temperature

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