Abstract
We describe an arrangement of thin film superconducting transition edge thermometers, useful for third sound measurements, that provides an extended range of sensitivity beyond that of a typical single thermometer. We connect thin film strips of zinc and aluminum in series but position them physically in close proximity on a glass substrate where they operate over the range 0.1K≤T≤1.7K. A description of the construction and a full characterization of a typical such thermometer arrangement is provided.
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Moreau, T.A., Hallock, R.B. A Compound Thin Film Thermometer. Journal of Low Temperature Physics 127, 189–199 (2002). https://doi.org/10.1023/A:1014860330319
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DOI: https://doi.org/10.1023/A:1014860330319