Abstract
The properties of dilute alloys of Er in Au have been studied, principally below 100 mK, in connection with the use of this system in thermometry and in microcalorimetry for particle detection. Measurements are reported of (1) the magnetization at high temperatures and high field, (2) the magnetization in low fields with temperatures extending down to 0.1 mK, and (3) the heat capacity as a function of temperature and field at low temperatures. These measurements are analyzed to provide information of several properties of the Er3+ ion in the Au lattice, in particular, the crystal field parameters, the exchange interaction of the 4f electrons with the conduction electrons, and the spin glass freezing temperature.
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Fleischmann, A., Schönefeld, J., Sollner, J. et al. Low Temperature Properties of Erbium In Gold. Journal of Low Temperature Physics 118, 7–21 (2000). https://doi.org/10.1023/A:1004654401827
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DOI: https://doi.org/10.1023/A:1004654401827