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AUTOMATIC MUTUAL INDUCTANCE BRIDGE FOR ACCURATE ALTERNATING CURRENT SUSCEPTIBILITY MEASUREMENTS FROM 1.2 TO 300 K.

Author(s) : DEUTZ A. F., HULSTMAN R., KRANENBURG F. J.

Type of article: Article

Summary

THE AUTHORS DESCRIBE A COMPLETELY COMPUTER-DRIVEN SENSITIVE ALTERNATING CURRENT SUSCEPTOMETER FOR EXPERIMENTS AT FREQUENCIES BETWEEN 10 HERTZ AND 5 KILOHERTZ IN THE TEMPERATURE RANGE FROM 1.2 TO 300 K AND IN MAGNETIC FIELDS F 6 T. THE SUSCEPTIBILITY IS MEASURED BY MOVING THE SAMPLE BETWEEN THE SECONDARY COILS, WHICH FORM PART OF A MUTUAL INDUCTANCE BRIDGE CONTROLLED BY A PERSONAL COMPUTER. THE TEMPERATURE IS REGULATED BY A NEWLY DEVELOPED CLAMPED PI ALGORITHM. THE CALIBRATION PROCEDURE IS DESCRIBED AS WELL AS THE EXPERIMENTAL CONTROL PROGRAM. ABSOLUTE VALUES OF THE SUSCEPTIBILITY ARE MEASURED WITH AN ACCURACY OF 2%.

Details

  • Original title: AUTOMATIC MUTUAL INDUCTANCE BRIDGE FOR ACCURATE ALTERNATING CURRENT SUSCEPTIBILITY MEASUREMENTS FROM 1.2 TO 300 K.
  • Record ID : 1989-2127
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 60 - n. 1
  • Publication date: 1989
  • Document available for consultation in the library of the IIR headquarters only.

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