✦ LIBER ✦

Thin-film platinum resistance thermometer for use at low temperatures and in high magnetic fields

✍ Scribed by T. Haruyama; R. Yoshizaki

Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 240 KB
Volume: 26
Category: Article
ISSN: 0011-2275
DOI: 10.1016/0011-2275(86)90112-8

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✦ Synopsis

A thin-film platinum resistance thermometer (SDT101A, Tame Electric Work Company, Japan), which is available commercially, has useful characteristics for thermometry in the range of 20 to 300 K and in high magnetic fields up to 5 T. The Z function-table of this platinum resistance thermometer (PRT) was obtained experimentally. It was confirmed that SDT101A PRT would be useful in the temperature range of 20 to 300 K within a precision of + 0.1 K. This confirmation was achieved by using a two-point calibration method with the Zfunction. The magnetoresistsnce of this PRT at 30 K is -~ 1.5% for a magnetic field of 5 T, whose value is one order of magnitude smaller than that of a standard type PRT.

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✍ D.A. Dimitrov; B.M. Terzijska; V. Guevezov; V.T. Kovachev 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 199 KB

The resistivity of thin platinum films at high magnetic fields (up to 140 kOe) was measured at 30 and 77 K. The films were deposited by magnetron sputtering on an AI203 substrate. A Chebyshev type polynomial description is also given, at zero magnetic field, of the function R(T) in the temperature r