Nuclear Resonance in Ferromagnetic Chromium Tribromide: Applications to High-Precision Thermometry in the Range 2°–25°K
- 1 February 1970
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 41 (2) , 644-651
- https://doi.org/10.1063/1.1658727
Abstract
Precise measurements of the temperature dependences of the 53Cr, 79Br, and 81Br nuclear resonance frequencies in ferromagnetic chromium tribromide have been carried out between 4.2°K and the Curie temperature (32.56°K). The resonances are found to be sensitive and reproducible indicators of temperature. Several of the resonances can be used for thermometers with millidegree sensitivity in the range 2°–25°K. This range includes the 4°–14°K range between the hydrogen and helium vapor‐pressure curves, where a reliable secondary standard is needed.This publication has 17 references indexed in Scilit:
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