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Ghostly magnetism comes from nowhere

The unexpected discovery of magnetism in a calcium-boron material has revived a debate begun in the 1930s about the influence of free-roaming electrons on magnetic traits.

References:

Young, D.P. . . . H.R. Ott, et al. 1999. High-temperature weak ferromagnetism in a low-density free-electron gas. Nature 397(Feb. 4):412.

Sources:

Zachary Fisk
Florida State University
National High Magnetic Field Laboratory
1800 East Paul Dirac Drive
Tallahassee, FL 32306

Hans R. Ott
Laboratorium für Festköperphysik
ETH-Höenggerberg
CH 8093 Zurich
Switzerland

From Science News, Vol. 155, No. 10, March 6, 1999, p. 159. Copyright © 1999, Science Service.

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