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High resolution thermometry near the Lambda point

Authors
Journal
Physica B Condensed Matter
0921-4526
Publisher
Elsevier
Publication Date
Volume
169
Identifiers
DOI: 10.1016/0921-4526(91)90273-h
Disciplines
  • Physics

Abstract

Abstract We report measurements of the temperature resolution and noise of two paramagnetic salt thermometers. The salts investigated were powdered cooper ammonium bromide in superfluid 4He and crystalline gadolinium trichloride. Both were found to have a temperature resolution of better than 9×10 -11K/ Hz near Tλ.

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