Effect of Cr doping on the structure, optical and magnetic properties of multiferroic BiFeO3 thin films

被引：0
|
作者：
Huan Deng
Hongmei Deng
Pingxiong Yang
Junhao Chu
机构：
[1] East China Normal University,Key Laboratory of Polar Materials and Devices, Ministry of Education, Department of Electronics
[2] Shanghai University,Laboratory for Microstructures
来源：
Journal of Materials Science: Materials in Electronics | 2012年 / 23卷
关键词：
BiFeO3; Spectroscopic Ellipsometry; Raman Active Mode; BiFeO3 Thin Film; Residual Organic Group;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Multiferroic BiCrxFe1−xO3 (BCFO) (0 ≤ x ≤ 0.12) thin films were fabricated on silicon substrates by sol–gel technique. The microstructure and properties of the films are characterized using X-ray diffraction, spectroscopic ellipsometry, micro-Raman spectrometry and a Modular Control system. The BCFO films are the rhombohedral structure with the Cr content up to 7%. Raman scattering spectra of the BCFO films demonstrate the transformation of structure with the Cr content exceeding 10%. The band gap of the BCFO films is from 2.53 to 2.82 eV with the Cr content being from 0 to 12%. The magnetization of the BCFO films is significantly enhanced with the increasing of the Cr content.
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页码：1215 / 1218
页数：3
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