Barium Titanate Prepared by Stearic Acid-Gel Method

Chin. Phys. Lett.

1994, Vol. 11

Issue (5): 310-313 DOI:

Original Articles

Barium Titanate Prepared by Stearic Acid-Gel Method

REN Tianling;ZHANG Peilin;WANG Yuguo;ZHONG Weilie;WANG Xiaohui^*;XU Baokun^*

Department of Physics, Shandong University, Jinan 250100 ^*Department of Chemistry, JiJin University, Changchun 130023

Cite this article:

REN Tianling, ZHANG Peilin, WANG Yuguo et al 1994 Chin. Phys. Lett. 11 310-313

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Abstract Stearic acid-gel method was used to prepare barium titanate. All the samples show a cubic perovskite structure and thus no ferroelectricity is detected at room temperature. X-ray diffraction reveals that the grains can hardly grow even firing at high temperature so that the grain size in most of the samples is below the ferroelectric critical size. A tentative explanation is proposed of the peculiarities based on the nonstoichiometry at the surface layer.

Keywords: 77.80.-e

Published: 01 May 1994

PACS:

77.80.-e

(Ferroelectricity and antiferroelectricity)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1994/V11/I5/0310

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	REN Tianling
	ZHANG Peilin
	WANG Yuguo
	ZHONG Weilie
	WANG Xiaohui
	XU Baokun

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