Size and Temperature Dependence of Dielectric Constant of Ultrafine PbTiO<suB>3</suB> Particles

Chin. Phys. Lett.

1994, Vol. 11

Issue (8): 514-517 DOI:

Original Articles

Size and Temperature Dependence of Dielectric Constant of Ultrafine PbTiO₃ Particles

QU Baodong;JIANG Bin;WANG Yuguo;ZHANG Peilin;ZHONG Weilie

Department of Physics, Shandong University, Jinan 250100

Cite this article:

QU Baodong, JIANG Bin, WANG Yuguo et al 1994 Chin. Phys. Lett. 11 514-517

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Abstract Using sol-gel method, we prepared ferroelectric PbTiO₃ fine particles with particle size covering the range 20-200nm; the dielectric properties of powder compact were studied in the present work. The room temperature dielectric constant increases with the decrease in particle size and reaches a maximum value at the size of about 40nm. The temperature dependence of dielectric constant involving the evolution of particle size during the measurement is discussed.

Keywords: 77.55.+f 77.80.-e

Published: 01 August 1994

PACS:	77.55.+f
	77.80.-e	(Ferroelectricity and antiferroelectricity)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1994/V11/I8/0514

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	QU Baodong
	JIANG Bin
	WANG Yuguo
	ZHANG Peilin
	ZHONG Weilie

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