Microstructural and electrical properties of nanocomposite PZT/Pt thin films made by pulsed laser deposition

被引：15
|
作者：
Pham, MTN [1 ]
Boukamp, BA [1 ]
Bouwmeester, HJM [1 ]
Blank, DHA [1 ]
机构：
[1] Univ Twente, Fac Sci & Technol, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands
来源：
CERAMICS INTERNATIONAL | 2004年 / 30卷 / 07期
关键词：
nanocomposites; dielectric properties; electrical properties; perovskites; PZT; thin films;
D O I：
10.1016/j.ceramint.2003.12.131
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Dual phase composites made by dispersing a metallic phase into a ferroelectric matrix are of great interest due to significant enhancement in the dielectric constant (E). In this study thin films of nano sized platinum (Pt) particles were embedded in a crystalline lead-zirconate-titantate (PZT) matrix, using pulsed laser deposition. The microstructure of these films was characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and atomic force microscopy (AFM). The electrical proper-ties were investigated by capacitance versus voltage (C-V) and leakage current versus voltage (I-V measurements. The influence of the Pt dispersoids on the crystallinity of the PZT matrix and the dielectric properties of the composites are discussed. Pt addition caused significant changes in the electrical properties, which showed the difference from what is observed for bulk PZT/Pt composites. (C) 2004 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：1499 / 1503
页数：5
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