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

doi:10.1016/j.jmmm.2008.08.115

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 journal › Article › Academic › peer-review

16 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 language	Undefined
Article number	10.1016/j.jmmm.2008.08.115
Pages (from-to)	259-262
Number of pages	4
Journal	Journal of magnetism and magnetic materials
Volume	321
Issue number	4
DOIs	https://doi.org/10.1016/j.jmmm.2008.08.115
Publication status	Published - Feb 2009

Keywords

EWI-13824
Permanent magnet
Stable
MEMS
Levitation
Diamagnetic
Microsystems
Magneto-optic
MagMEMS
IR-62489
METIS-265735
TST-SMI: Formerly in EWI-SMI
TST-Stobots: Storage Robots

Access to Document

10.1016/j.jmmm.2008.08.115

http://eprints.eemcs.utwente.nl/secure2/13824/01/Profijt.pdf

Cite this

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title = "Stable diamagnetic self-levitation of a micro-magnet by improvement of its magnetic gradients",

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.",

keywords = "EWI-13824, Permanent magnet, Stable, MEMS, Levitation, Diamagnetic, Microsystems, Magneto-optic, MagMEMS, IR-62489, METIS-265735, TST-SMI: Formerly in EWI-SMI, TST-Stobots: Storage Robots",

author = "H.B. Profijt and C. Pigot and G. Reyne and R.M. Grechishkin and O. Cugat",

note = "PACS classification codes: 75.20.{\^a}ˆ{\textquoteright}g; 85.70.Rp; 85.70.Ec",

year = "2009",

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doi = "10.1016/j.jmmm.2008.08.115",

language = "Undefined",

volume = "321",

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journal = "Journal of magnetism and magnetic materials",

issn = "0304-8853",

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TY - JOUR

T1 - Stable diamagnetic self-levitation of a micro-magnet by improvement of its magnetic gradients

AU - Profijt, H.B.

AU - Pigot, C.

AU - Reyne, G.

AU - Grechishkin, R.M.

AU - Cugat, O.

N1 - PACS classification codes: 75.20.âˆ’g; 85.70.Rp; 85.70.Ec

PY - 2009/2

Y1 - 2009/2

N2 - 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.

AB - 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.

KW - EWI-13824

KW - Permanent magnet

KW - Stable

KW - MEMS

KW - Levitation

KW - Diamagnetic

KW - Microsystems

KW - Magneto-optic

KW - MagMEMS

KW - IR-62489

KW - METIS-265735

KW - TST-SMI: Formerly in EWI-SMI

KW - TST-Stobots: Storage Robots

U2 - 10.1016/j.jmmm.2008.08.115

DO - 10.1016/j.jmmm.2008.08.115

M3 - Article

SN - 0304-8853

VL - 321

SP - 259

EP - 262

JO - Journal of magnetism and magnetic materials

JF - Journal of magnetism and magnetic materials

IS - 4

M1 - 10.1016/j.jmmm.2008.08.115

ER -