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题名: Structural and magnetic properties studies on swift heavy ion (SHI) irradiated Fe3O4 thin films
作者: Sun, JR; Wang, ZG; Wang, YY; Zhu, YB; Pang, LL; Shen, TL; Li, FS(李发伸)
收录类别: SCIE ; CPCI-S ; EI
出版日期: 2012-09-01
会议名称: 16th International Conference on Radiation Effects in Insulators (REI)
会议日期: AUG 14-19, 2011
会议地点: Beijing, PEOPLES R CHINA
英文摘要: Polycrystalline Fe3O4 thin films are synthesized at low temperature by electroless plating, and the effects of irradiation by Kr26+ ions at energy of 2.03 GeV on the magnetic properties of the Fe3O4 thin films are investigated by macroscopic magnetization measurements (vibrating sample magnetometer, VSM; superconducting quantum interference device. SQUID) and microscopic distribution of the magnetic moments (conversion electron mossbauer spectroscopy, CEMS) as well as magnetic domain structure (magnetic force microscope, MFM) analyses. The initial crystallographic structure of the Fe3O4 remains unaffected after swift heavy ion (SHI) irradiation at low damage levels, but VSM, CEMS and MFM results indicate that SHI irradiation is an effectual tool to not only modify the macro-magnetic properties (saturation magnetization, coercivity, etc.), but also modify the micro-magnetic properties (magnetic anisotropy, distribution of the magnetic moments, magnetic domain structure, etc.) significantly. And all modifications of these properties could be interpreted very well by the effects related to the stress and defects (the production, accumulation and free) induced by SHI irradiation. (C) 2012 Elsevier B.V. All rights reserved.
关键词: SHI irradiation ; CEMS ; MFM ; Magnetic properties
作者部门: [Sun, Jianrong ; Wang, Zhiguang ; Wang, Yuyu ; Zhu, Yabin ; Pang, Lilong ; Shen, Tielong] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China ; [Li, Fashen] Lanzhou Univ, Minist Educ, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China
通讯作者: Sun, JR (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
学科分类: Instruments & Instrumentation; Nuclear Science & Technology; Physics
会议录: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
页码: 277-281
出版者: ELSEVIER
出版地: AMSTERDAM
语种: 英语
DOI: 10.1016/j.nimb.2011.12.066
ISSN号: 0168-583X
WOS记录号: WOS:000309488300053
EI记录号: 20123615394324
第一机构:
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内容类型: 会议论文
URI标识: http://ir.lzu.edu.cn/handle/262010/113431
Appears in Collections:物理科学与技术学院_会议论文

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Recommended Citation:
Sun, JR,Wang, ZG,Wang, YY,et al. Structural and magnetic properties studies on swift heavy ion (SHI) irradiated Fe3O4 thin films[C]. 见:16th International Conference on Radiation Effects in Insulators (REI). Beijing, PEOPLES R CHINA. AUG 14-19, 2011.
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