Charge transport in solid 4He

被引：9
|
作者：
Andreeva, O [1 ]
Keshishev, K [1 ]
Kholin, D [1 ]
Kossyrev, P [1 ]
机构：
[1] Russian Acad Sci, Kapitza Inst Phys Problems, Moscow 117334, Russia
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 1998年 / 110卷 / 1-2期
关键词：
Anisotropy; Activation Energy; Magnetic Material; Experimental Technique; Charge Transport;
D O I：
10.1023/A:1022514801281
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
With the help of a new experimental technique strong anisotropy of the mobility of ions has been observed in hcp He-4 crystals. The mobility of positive ions in the direction of the six-fold axis is found to be 200 times higher than in the perpendicular direction, Activation energies of the mobility have been measured in, both principal directions. They are equal to: 5.3K in the direction of the C-6-axis and 11K in. the perpendicular direction. The behaviour of the ions' velocity in the strong electric field regime is also studied as a function of the orientation.
引用
收藏
页码：89 / 96
页数：8
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