Synthesis of anisotropic micro-crystals of cubic Na0.5Bi0.5TiO3

Paisan Setasuwon; Suphakan Kijamnajsuk

doi:10.1039/B820515A

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Synthesis of anisotropic micro-crystals of cubic Na_0.5Bi_0.5TiO₃

Paisan Setasuwon*^a and Suphakan Kijamnajsuk^a

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* Corresponding authors

^a National Metal and Materials Technology Center, 114 Paholyothin Road, Pathumthani, Thailand
E-mail: paisan@tmc.nstda.or.th, suphakk@mtec.or.th
Fax: +66-2-564-6447
Tel: +66-2-564-6500

Abstract

A novel method of synthesizing Na_0.5Bi_0.5TiO₃ anisotropic micro-crystals is reported. Its crystal structure is cubic above 520 °C and still pseudo cubic at the temperature below. Platelet crystals of Na_0.5Bi_0.5TiO₃ were converted from Bi₄Ti₃O₁₂ micro-crystals. Platelet Bi₄Ti₃O₁₂ crystals were produced by molten salt synthesis. They were subjected to the second molten salt treatment with Na₂CO₃ and TiO₂ at 800–1200 °C. Bi₄Ti₃O₁₂ crystals were successfully transformed into Na_0.5Bi_0.5TiO₃ crystals with an inherited platelet shape. Na_0.5Bi_0.5TiO₃ crystals have a (h00) plane parallel to the platelet.

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Article information

DOI: https://doi.org/10.1039/B820515A
Article type: Paper
Submitted: 17 Nov 2008
Accepted: 29 May 2009
First published: 26 Jun 2009

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CrystEngComm, 2009,11, 1947-1950

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Synthesis of anisotropic micro-crystals of cubic Na_0.5Bi_0.5TiO₃

P. Setasuwon and S. Kijamnajsuk, CrystEngComm, 2009, 11, 1947 DOI: 10.1039/B820515A

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CrystEngComm

Synthesis of anisotropic micro-crystals of cubic Na_0.5Bi_0.5TiO₃

Abstract

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Synthesis of anisotropic micro-crystals of cubic Na_0.5Bi_0.5TiO₃

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