Anisotropic elasticity of magnetically ordered agarose gel

被引：14

作者：

Yamamoto, Isao ^{[1
]}

Ozawa, Shun ^{[1
]}

Makino, Tetsuo ^{[1
]}

Yamaguchi, Masuhiro ^{[1
]}

Takamasu, Tadashi ^{[2
]}

机构：

[1] Yokohama Natl Univ, Dept Phys, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan

[2] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

来源：

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS | 2008年 / 9卷 / 02期

关键词：

anisotropic elasticity; magnetic field effect; agarose gel; magnetic ordering; storage modulus; ultrasonic propagation;

D O I：

10.1088/1468-6996/9/2/024214

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The physical properties of agarose gel prepared under strong magnetic fields were investigated. The storage modulus was measured by the reflection method with an ultrasonic pulse. The measurement results of the gel's elasticity indicate that agarose gel has anisotropic properties. The elasticity and its anisotropy depend on the concentration of the gel and the magnetic field to which it is exposed. The experimental results indicate that the anisotropic network structure of the gel is induced by the exposure to the magnetic field during gelation. The gelation mechanism under a magnetic field is discussed.

引用

页数：3

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