Digitale Medien
Springer
Journal of low temperature physics
3 (1970), S. 415-427
ISSN:
1573-7357
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Physik
Notizen:
Abstract ESR, paramagnetic susceptibility, and adiabatic demagnetization studies of single crystals of MgO doped with about 0.14 % Mn2+ are presented. The results of the ESR measurements are in good agreement with that obtained by previous investigators on crystals with lower Mn2+ concentration, but the line widths observed are much wider. Also, the line widths are wider by 20 % at 4.2°K than those at room temperature. The paramagnetic susceptibility obeys Curie's law very accurately down to 0.3°K and may be used for thermometry down to 0.1°K. The crystal has a maximum specific heat between 0.03 and 0.04°K. Temperatures well below 0.1°K can be attained by adiabatic demagnetization with a moderate field at 1.3°K.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF01435283
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