Preparation and characterization of nanosized Bi4Ti3O12 powders

被引：5

作者：

Zhang, Fan ^{[1
,2
]}

Karaki, Tomoaki ^{[2
]}

Adachi, Masatoshi ^{[2
]}

机构：

[1] Shenyang Inst Chem Technol, Sch Mat Sci & Engn, Shenyang 110142, Peoples R China

[2] Toyama Prefectural Univ, Fac Engn, Dept Intelligent Syst Design Engn, Toyama 9390398, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2008年 / 47卷 / 01期

关键词：

nanopowder; bismuth titanate; coprecipitation processing; differential scanning calorimetry; phase transition; dielectric constant;

D O I：

10.1143/JJAP.47.640

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nanosized Bi4Ti3O12 (BIT) powders were prepared by a simple coprecipitation process. Differential scanning calorimetry (DSC) measurement was carried out to estimate the phase transition temperatures of the BIT powders calcined at different temperatures. The results showed a range of coexistence of the BIT and Bi2Ti2O7 phases at calcination temperatures from 600 to 650 degrees C. The dielectric constants of ball-milled BIT powders calcined at different temperatures were measured. It was found that the samples had a value of around 190, which is higher than that of BIT bulk ceramics.

引用

页码：640 / 643

页数：4

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