Synthesis of ultrafine BaTiO3 particles from polymeric precursor:: their structure and surface property

被引：52

作者：

Cho, WS ^{[1
]}

Hamada, E ^{[1
]}

机构：

[1] Japan Sci & Technol Corp, ERATO, Takayanagi Particle Surface Project, Tokyo 196, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1998年 / 266卷 / 1-2期

关键词：

ultrafine BaTiO3; polymeric precursor method; crystal structure; surface property;

D O I：

10.1016/S0925-8388(97)00446-5

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Barium titanate (BaTiO3) particles of about 20 nm in size have been synthesized by heat-treating polymeric precursors containing barium and titanium in air at 600 degrees C for 8 h. The crystal structure has been investigated using X-ray powder diffractometry (XRD) and Raman spectroscopy. The XRD measurement indicated formation of cubic BaTiO3. However, the Raman spectrum suggested that the tetragonal structure might be slightly sustained in the ultrafine BaTiO3 particles. Zeta potentials as a surface property of the particles were also determined by an electrophoretic light scattering technique as a function of pH. (C) 1998 Elsevier Science S.A.

引用

页码：118 / 122

页数：5

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