Characterisation of magnetic pigment dispersions using pulsed magnetic fields

C. P. Hancock; S. J. Greaves; K. O'Grady; R. G. Williams; A. R. Owens

doi:10.1109/20.539255

Characterisation of magnetic pigment dispersions using pulsed magnetic fields

C. P. Hancock, S. J. Greaves, K. O'Grady, R. G. Williams, A. R. Owens

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Bangor University

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Abstract

In this paper we report on an initial study of the magnetic properties of y-Fe2O3 and CrO2 dispersions as determined by pulse field magnetometry. Comparison with VSM measurements, in which the magnetic field is applied for several seconds, shows that the adverse effects of the magnetic field on the dispersion microstructure may, to a large extent, be mitigated by the use of pulsed fields. Kemanence curves are used to determine switching field distributions and to determine the quality of the dispersion.

Original language	English
Pages (from-to)	4037-4039
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	32
Issue number	5 PART 1
DOIs	https://doi.org/10.1109/20.539255
Publication status	Published - 1996

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abstract = "In this paper we report on an initial study of the magnetic properties of y-Fe2O3 and CrO2 dispersions as determined by pulse field magnetometry. Comparison with VSM measurements, in which the magnetic field is applied for several seconds, shows that the adverse effects of the magnetic field on the dispersion microstructure may, to a large extent, be mitigated by the use of pulsed fields. Kemanence curves are used to determine switching field distributions and to determine the quality of the dispersion.",

author = "Hancock, {C. P.} and Greaves, {S. J.} and K. O'Grady and Williams, {R. G.} and Owens, {A. R.}",

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AU - Hancock, C. P.

AU - Greaves, S. J.

AU - O'Grady, K.

AU - Williams, R. G.

AU - Owens, A. R.

PY - 1996

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AB - In this paper we report on an initial study of the magnetic properties of y-Fe2O3 and CrO2 dispersions as determined by pulse field magnetometry. Comparison with VSM measurements, in which the magnetic field is applied for several seconds, shows that the adverse effects of the magnetic field on the dispersion microstructure may, to a large extent, be mitigated by the use of pulsed fields. Kemanence curves are used to determine switching field distributions and to determine the quality of the dispersion.

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JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

IS - 5 PART 1

ER -

Characterisation of magnetic pigment dispersions using pulsed magnetic fields

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