| Response of self-assembly for magnetite nanocrystal in magnetic fluid under an applied magnetic field |
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| 作者单位： | College of Physics and Communication Electronics，Jiangxi Normal University，Nanchang 330027 Department of Physics，the State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200240，College of Physics and Communication Electronics，Jiangxi Normal University，Nanchang 330027，Department of Physics，the State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200240 |
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| 摘 要： | The response time and transmittivity of the magnetic fluid(MF)for different concentrations at room temperature were investigated in this letter.The volume fraction of the investigated sample ranged from 0.44% to 6.47%.It was found that the transmittivity decreased with increasing concentration under a given magnetic field,and the evolution time was changed with different concentrations.Moreover,the light intensity decreased rapidly at the beginning and then became stable when the magnetic field was applied.
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