Morphotropic Phase Boundary on K-substituted Na0.5Bi0.5TiO3 Synthesized with Suppressing Evaporation of Bismuth and Sodium

Keishiro Yoshida; Hirotaka Fujimori

doi:10.14723/tmrsj.45.207

Transactions of the Materials Research Society of Japan

Online ISSN : 2188-1650
Print ISSN : 1382-3469
ISSN-L : 1382-3469

Regular Papers

Morphotropic Phase Boundary on K-substituted Na_0.5Bi_0.5TiO₃ Synthesized with Suppressing Evaporation of Bismuth and Sodium

Keishiro Yoshida, Hirotaka Fujimori

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Keywords: Polymerizable complex method, Sodium bismuth titanate, Lead-free, Ferroelectric, Morphotropic Phase Boundary

JOURNAL FREE ACCESS

2020 Volume 45 Issue 6 Pages 207-210

DOI https://doi.org/10.14723/tmrsj.45.207

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Abstract

We successfully synthesized K-substituted NBT, (Na_1-yK_y)_0.5Bi_0.5TiO₃, powder samples using the polymerizable complex method. Rietveld analysis of the powder X-ray diffraction (XRD) data for the samples revealed that a morphotropic phase boundary (MPB) is located at a K content of y = 0.29 on K-substituted NBT synthesized with suppressing evaporation of bismuth and sodium.

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