UNSPECIFIED. (2004) Charge densities and inclination angles of magnetization on various surfaces of rotational symmetry. IEEE TRANSACTIONS ON MAGNETICS, 40 (4 Part 1). pp. 1763-1768. ISSN 0018-9464

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Abstract

We have investigated the magnetization characteristics of rotation-symmetrical magnetic bodies in a uniform magnetic field parallel to the axis of rotation. The bodies considered here include a cylinder (eta = 0), a sphere (eta = 1), a bicone (eta = 2), and a rotating astroid (eta = 3), where eta is the power index. The surface magnetic charge densities sigma for the bodies of 0 < eta less than or equal to 3 are numerically calculated by the surface magnetic charge simulation method. The results are illustrated for the various values of eta. If the shape approaches the cylinder, a concentrates near the edge and takes a peak value there. If the shape approaches the bicone, sigma concentrates near the tip (the point cusp) and takes a peak value there. To make clear the relationship between magnetization characteristics and shape, the inclination angles of magnetization on the surface of magnetic body are numerically obtained by using a. From these results, we can investigate the local magnetization directions on the surface of the magnetic bodies in detail.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics
Journal or Publication Title:	IEEE TRANSACTIONS ON MAGNETICS
Publisher:	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
ISSN:	0018-9464
Date:	July 2004
Volume:	40
Number:	4 Part 1
Number of Pages:	6
Page Range:	pp. 1763-1768
Identification Number:	10.1109/TMAG.2004.828160
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/8102

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