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Ferrofluid‐enhanced orientation of large anisometric colloids

 

作者: Min‐Hua Lu,   Charles Rosenblatt,  

 

期刊: Applied Physics Letters  （AIP Available online 1990）
卷期: Volume 56, issue 6  

页码: 590-592

 

ISSN:0003-6951

 

年代: 1990

 

DOI:10.1063/1.102749

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Aqueous suspensions of elongated, hollow tubules are shown to align in magnetic fields of order 10 G when mixed with a water‐based ferrofluid. The tubule’s effective susceptibility anisotropy is obtained, and is found to be six orders of magnitude larger than in the absence of the ferrofluid. A geometry‐based model is used to explain this effect.

 

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