A sensitive capacitance thermometer at low temperature for use in magnetic fields up to 20 T | Zendy

F. C. Penning | Zendy; М. М. Майор | Zendy; S.A.J. Wiegers | Zendy; H. van Kempen | Zendy; J.C. Maan | Zendy

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A sensitive capacitance thermometer at low temperature for use in magnetic fields up to 20 T

Author(s) -

F. C. Penning,

М. М. Майор,

S.A.J. Wiegers,

H. van Kempen,

J.C. Maan

Publication year - 1996

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.1147221

Subject(s) - thermometer , capacitance , materials science , reproducibility , atmospheric temperature range , temperature measurement , magnetic field , temperature cycling , condensed matter physics , sensitivity (control systems) , voltage , nuclear magnetic resonance , optoelectronics , electrical engineering , physics , thermal , electrode , thermodynamics , chemistry , electronic engineering , chromatography , quantum mechanics , engineering

We have established the magnetic‐field independence up to 20 T of a capacitance thermometer based on the incommensurate crystal (Pb0.45Sn0.55)2P2Se6 in the temperature range from 25 mK to 0.5 K. The sensitivity of the thermometer, d ln C/d ln T, is 5×10−3 at low temperatures and is about an order of magnitude larger than for any other previously reported capacitance thermometer. The most sensitive temperature range of the thermometer can be tuned by varying the measuring ac frequency and voltage. The reproducibility of the thermometer upon cycling below 1 K is better than 1 mK.

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