Electronic Resource
Springer
Journal of low temperature physics
1 (1969), S. 469-476
ISSN:
1573-7357
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract Cu doped with less than 1 ppm Mn54 appears to offer a number of advantages as a γ-ray anisotropy thermometer in the temperature range 1 to 20 mK. In order to use such a thermometer it is necessary to know how the hyperfine field at the Mn54 nuclei varies with temperature and with applied field. We have studied this γ-ray anisotropy and find that the hyperfine field is independent of temperature in the range 4 mK 〈T〈10 mK. Further, we have determined the hyperfine field to ±5% as a function of applied field in the range 60 Oe〈H a〈1200 Oe. The latter data may be used to determine a Kondo temperature of 64±2 mK for this system.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00628210
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