Calibration of a Pt resistance thermometer (Netsushin) in magnetic fields and under pressure in the range of 1.5–300 K and below 1.5 GPa is presented. With the pressure medium, olefin olygomers, Daphne 7373, the pressure is continuous at its solidification and the pressure drop from 300 to 4.2 K by 0.15–0.17 GPa is constant, irrespective of the initial clamped pressure at 300 K. The applicability of the thermometer and the medium for precise study in field and pressure at low temperature is discussed.
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Specially prepared by Idemitsu Co., Ltd. Tokyo, Japan; it is registered as a manufacturing product with the name, Daphne 7373.
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A product of Netsushin, Saitama, Japan. The model, MC0803 is 0.8 mm in diameter and 3 mm in length. We also tested the model, MC0505, which is 0.5 mm in diameter. The characteristics of pressure against temperature are the same.
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Commercially available from Unipress, Poland.
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© 1997 American Institute of Physics.
1997
American Institute of Physics
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