Stable diamagnetic self-levitation of a micro-magnet by improvement of its magnetic gradients

H.B. Profijt, C. Pigot, G. Reyne, R.M. Grechishkin, O. Cugat

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)
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Abstract

A disc-shaped SmCo magnet with a diameter of 0.85 mm is levitated above a graphite diamagnetic plate at a height of about 14 µm. The magnet is magnetised into a double dipole. The levitation of multipolar magnets above a diamagnetic material was suggested in 1956 by Boerdijk and patented in 1995 by Pelrine, but without any known published experimental results. In this letter, both theoretical and experimental results are presented.
Original languageEnglish
Pages (from-to)259-262
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume321
Issue number4
DOIs
Publication statusPublished - 2009

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