Preparation of perovskite Fe-doped Na0.5Bi0.5TiO3 thin film from polyethylene glycol-modified solution precursor on LaNiO3/Si substrate

被引：9

作者：

Yang, Changhong ^{[1
,2
,3
]}

Sui, Huiting ^{[1
]}

Yang, Hongliang ^{[4
]}

Li, Xianxiang ^{[1
]}

机构：

[1] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Peoples R China

[2] Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan 250022, Peoples R China

[3] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[4] Shandong Univ, Dept Opt, Jinan 250100, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 102卷

基金：

中国国家自然科学基金;

关键词：

Thin films; Structural; Atomic force microscopy; Ferroelectrics;

D O I：

10.1016/j.matlet.2013.03.126

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A (100)-oriented Fe-doped NBT Na0.5Bi0.5TiO3 (NBTFe) thin film was fabricated on LaNiO3(100)/Si substrate using a chemical solution deposition process, in which the solution precursor was modified by polyethylene glycol with a molecular weight of 600 (PEG600). The effects of PEG600 for crystalline structure, morphology, and electrical properties of NBTFe thin film were characterized. It is observed that with the PEG600 additive, phase-pure perovskite can be obtained for NBTFe thin film at a relatively lower annealing temperature of 500 degrees C. Moreover, in NBTFe thin film with PEG600 modification, enhanced ferroelectricity is achieved with a larger remanent polarization (P-r) of 21.9 mu C/cm(2), and the values of the dielectric constant and dissipation loss at 100 kHz are estimated to be 411 and 0.153, respectively. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：109 / 111

页数：3

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