Thermal Resistance Between Powdered Cerium Magnesipm Nitrate and Liquid Helium at Very Low Temperatures

被引:38
作者
Black, W. C. [1 ]
Mota, A. C.
Wheatley, J. C.
Bishop, J. H.
Brewster, P. M.
机构
[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
关键词
D O I
10.1007/BF00628739
中图分类号
O59 [应用物理学];
学科分类号
摘要
Experiments have been performed from magnetic temperatures of 2-20 mK on the effect of minute He-4 impurities and a magnetic field on the thermal resistance between powdered cerium magnesium nitrate (CMN) and liquid He-3. The thermal resistance decreases with decreasing T and increasing small field but is increased dramatically at a given T by the addition of roughly a monolayer of He-4. The resistance is interpreted as resulting from a surface magnetic coupling between CMN and liquid He-3.
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收藏
页码:391 / 400
页数:10
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