Tuning the Structural and Optical Properties of Bismuth Titanate by Different Nd Substitution Content

被引：13

作者：

Zang, Yongyuan ^{[1
]}

Xie, Dan ^{[2
,3
]}

Chen, Yu ^{[2
]}

Wu, Xiao ^{[2
]}

Li, Gang ^{[2
]}

Plant, David ^{[1
]}

机构：

[1] McGill Univ, Montreal, PQ H3A 2T8, Canada

[2] Tsinghua Univ, Inst Microelect, TNList, Beijing 100084, Peoples R China

[3] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China

来源：

INTEGRATED FERROELECTRICS | 2012年 / 133卷

基金：

加拿大自然科学与工程研究理事会; 中国国家自然科学基金;

关键词：

Ferroelectrics; BNdT; optical properties; sol-gel; DIELECTRIC-PROPERTIES; ELECTRICAL-PROPERTIES; THIN-FILMS; POLARIZATION; TEMPERATURE;

D O I：

10.1080/10584587.2012.670058

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report the structural and optical properties variation of Bi4-xNdxTi3O12 by different Nd substitution content for the first time. Bi4-xNdxTi3O12 thin films were fabricated by sol-gel process. X-ray diffraction and Raman scattering analysis reveal degradation in crystallinity and increase in distortion upon Nd doping. Grain size is suppressed as the increase of Nd content. Optical transmittance decreases from 63% to 43% at the wavelength of 600 nm as the Nd content increases from 0 to 0.85. Band gap energy increases from 3.4 to 3.5 eV when Nd content increases. Refractive index and extinction coefficient variations are also investigated.

引用

页码：73 / 80

页数：8

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