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CuFe_2O_4离子型磁性液体的场致光透射性质研究 被引量：2

A Study of the Property of Magnetio-Light Transmission Through CuFe_2O_4 Ionic Ferrofluids
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摘要 研究了Massart法制备的CuFe2O4离子型磁性液体在磁场作用下,光透射率随时间的变化规律.光透射率的变化与磁性液体的体积分数、磁场大小、光路及磁场方向有关.为解释光透射率变化的原因,建立了在磁场作用下,磁性液体纳米微粒形成链,并在磁场梯度作用下微粒链向中心会聚,而并列链间的排斥力又使链发散的链振荡运动的微观模型. The change of transmittance of magnetic-light with time when light goes through ionic CuFe2O4 ferrofluids was studied. The change was found to be related with volume fraction, magnetic field size and the direction with light and magnetic field. Under the magnetic field, nanoparticles in the ferrofluids formed a magnetic chain, and under the gradient of magnetic field, the magnetic chain flocked to the center. For the repulsion between parallel chains, the chain would radiate. In this paper, the authors explain the reason for changes in light transmittance with the above discussed model.
作者 陈娴敏 李建 李强 韩芍娜 高荣礼
机构地区 西南大学物理科学与技术学院
出处 《西南大学学报（自然科学版）》 CAS CSCD 北大核心 2008年第3期14-19,共6页 Journal of Southwest University(Natural Science Edition)
基金 重庆市自然科学基金资助课题(CSTC2007BA3031) 西南师范大学发展基金资助课题(SWNUF2004005)
关键词 磁性液体 光透射率 梯度磁场 ferrofluid light transmittance gradient of magnetic field
分类号 O482.3 [理学—固体物理]
  • 相关文献

参考文献10

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二级参考文献15

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共引文献6

同被引文献31

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引证文献2

二级引证文献3

西南大学学报（自然科学版）
2008年 第3期

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