Precise measurements of diamagnetic susceptibility of benzophenone and paraffin by using a magnetic levitation technique

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Abstract

Measurements for temperature dependence of diamagnetic susceptibility were performed under the magnetic levitation condition. The magnetic susceptibility of a single crystal of benzophenone showed monotonous decrease toward to the melting point with increasing temperature. The minimum change of the susceptibility was detected by 1.4 × 10-12 m3/kg. On the contrary, slight increase was observed below the melting point in the case of paraffin. The susceptibility of a paraffin melt was found to be smaller than that of the solid state. It was demonstrated that the magnetic levitation enables sensitive and contactless measurements of the diamagnetic susceptibility across the melting point.

Original languageEnglish
Article number012020
JournalJournal of Physics: Conference Series
Volume156
DOIs
Publication statusPublished - 2009 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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