Magnetic orientation of paraffin in a magnetic levitation furnace

被引：10

作者：

Takahashi, K ^{[1
]}

Umeki, C ^{[1
]}

Mogi, I ^{[1
]}

Koyama, K ^{[1
]}

Awaji, S ^{[1
]}

Motokawa, M ^{[1
]}

Watanabe, K ^{[1
]}

机构：

[1] Tohoku Univ, HFLSM, Mat Res Inst, Sendai, Miyagi 9808577, Japan

来源：

PHYSICA B-CONDENSED MATTER | 2004年 / 346卷

关键词：

high magnetic field; magnetic levitation; containerless melting; magnetic orientation;

D O I：

10.1016/j.physb.2004.01.065

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Containerless melting of paraffin under a magnetic levitation condition has been performed by using a cryogen-free hybrid magnet and two kinds of laser furnaces. One is local irradiation Of CO2 laser light at the top of the sample. The other is homogeneous irradiation of YAG laser light with a concave ring mirror. In the latter case, reduction of the Marangoni convection on the surface of the sample and the magnetic orientation of paraffin molecules were observed. The magnetic anisotropy of the spherical sample was confirmed by the measurement of magnetization and X-ray diffraction. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：277 / 281

页数：5

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