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THERMOMETRY IN HIGH MAGNETIC FIELDS AT LOW TEMPERATURES.

Author(s) : NAUGHTON M. J.

Type of article: Article

Summary

THE AUTHORS HAVE INVESTIGATED THE BEHAVIOUR OF CARBON RESISTOR AND CAPACITIVE THERMOMETERS FROM 4.2 TO BELOW 0.1 K AND TO 19 T AND OBSERVE A NONMONOTONIC MAGNETORESISTANCE IN A STANDARD CARBON RESISTOR. AN EXPRESSION FOR THE MAGNETORESISTANCE MAY BE USED, WITH PROPER PRECALIBRATION FOR A PARTICULAR SENSOR, TO DETERMINE THE TEMPERATURE FROM A READING OF THE RESISTANCE AND THE MAGNETIC FIELD. THE AUTHORS DISCUSS EPOXY MIXING CHAMBERS FOR DILUTION REFRIGERATORS AND RESULTS WHICH INDICATE THAT CERTAIN MATERIALS CAN BE MAGNETIZED AND DEMAGNETIZED AT LOW TEMPERATURES. THEY REPORT MEASUREMENTS ON TWO TYPES OF CAPACITIVE SENSORS WHICH ALSO EXHIBIT MAGNETOEFFECTS.

Details

  • Original title: THERMOMETRY IN HIGH MAGNETIC FIELDS AT LOW TEMPERATURES.
  • Record ID : 1984-1362
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 54 - n. 11
  • Publication date: 1983
  • Document available for consultation in the library of the IIR headquarters only.

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