Preparation and Magnetic Properties of Submicron CrO2 Thin Film on Poly-crystal TiO2 Film

doi:10.1007/s40242-013-2382-6

高等学校化学研究 ›› 2013, Vol. 29 ›› Issue (3): 600-602.doi: 10.1007/s40242-013-2382-6

Preparation and Magnetic Properties of Submicron CrO₂ Thin Film on Poly-crystal TiO₂ Film

YUAN Ju-jun^1,3, WEN Ge-hui², ZHAO Qiang⁴, FAN Yin-bo², ZHANG Cai-ping², ZHANG Xian-ke¹, YU Hua-jun¹, XIE Ying-mao¹

1. College of Physics and Electronics, Gannan Normal University, Ganzhou 341000, P. R. China;
2. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, P. R. China;
3. Institute of Optoelectronic Materials and Technology, Gannan Normal University, Ganzhou 341000, P. R. China;
4. State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China

收稿日期:2012-10-11 修回日期:2012-12-18 出版日期:2013-06-01 发布日期:2013-05-15
通讯作者: ZHAO Qiang, E-mail: zqphys@gmail.com E-mail:zqphys@gmail.com
基金资助:
Supported by the the National Natural Science Foundation of China(Nos.50972048, 61201007), the Fundamental Research Fund for the Central Universities of China(No.ZYGX2011J022), the Youth Fund of Education Department of Jiangxi Province of China(No.GJJ12575) and the Open Project of State Key Laboratory of Superhard Materials(Jilin University) of China (No.201213).

Preparation and Magnetic Properties of Submicron CrO₂ Thin Film on Poly-crystal TiO₂ Film

YUAN Ju-jun^1,3, WEN Ge-hui², ZHAO Qiang⁴, FAN Yin-bo², ZHANG Cai-ping², ZHANG Xian-ke¹, YU Hua-jun¹, XIE Ying-mao¹

1. College of Physics and Electronics, Gannan Normal University, Ganzhou 341000, P. R. China;
2. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, P. R. China;
3. Institute of Optoelectronic Materials and Technology, Gannan Normal University, Ganzhou 341000, P. R. China;
4. State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China

Received:2012-10-11 Revised:2012-12-18 Online:2013-06-01 Published:2013-05-15
Contact: Qiang Zhao E-mail:zqphys@gmail.com
Supported by:
Supported by the the National Natural Science Foundation of China(Nos.50972048, 61201007), the Fundamental Research Fund for the Central Universities of China(No.ZYGX2011J022), the Youth Fund of Education Department of Jiangxi Province of China(No.GJJ12575) and the Open Project of State Key Laboratory of Superhard Materials(Jilin University) of China (No.201213).

摘要/Abstract

摘要：

The submicron chromium dioxide(CrO₂) thin film was fabricated on a poly-crystal titania(TiO₂) film using Si wafers as substrates by atmospheric pressure chemical vapor deposition(CVD) method. X-Ray diffraction patterns show that the CrO₂ films were pure rutile structure. Scanning electron microscopy(SEM) images indicate that the CrO₂ films consisted of submicron grains with a grain size of 250―750 nm. The magnetic researches reveal that the magnetic easy axis is parallel to the films, and at room temperature, the CrO₂ films show linear magnetoresistance.

关键词: CrO₂ film, TiO₂ film, Chemical vapor deposition(CVD), Magnetic property, Half-metal ferromagnet

Abstract:

Key words: CrO₂ film, TiO₂ film, Chemical vapor deposition(CVD), Magnetic property, Half-metal ferromagnet

YUAN Ju-jun, WEN Ge-hui, ZHAO Qiang, FAN Yin-bo, ZHANG Cai-ping, ZHANG Xian-ke, YU Hua-jun, XIE Ying-mao. Preparation and Magnetic Properties of Submicron CrO₂ Thin Film on Poly-crystal TiO₂ Film[J]. 高等学校化学研究, 2013, 29(3): 600-602.

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Preparation and Magnetic Properties of Submicron CrO₂ Thin Film on Poly-crystal TiO₂ Film

Preparation and Magnetic Properties of Submicron CrO₂ Thin Film on Poly-crystal TiO₂ Film

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