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Materials
Periodic Graphics
Periodic Graphics: Permanent magnets explained
Chemical educator and Compound Interest blogger Andy Brunning explores the materials science of permanent magnets
by Andy Brunning, special to C&EN
April 25, 2025
| A version of this story appeared in
Volume 103, Issue 11
To download a pdf of this article, visit cenm.ag/permanentmagnets.
References used to create this graphic:
Marchio, Cathy. “Types of Magnets: A Comprehensive Overview.” Stanford Magnets. Last updated April 2, 2025.
McCallum, R. W., L. H. Lewis, R. Skomski, M. J. Kramer, and I. E. Anderson. “Practical Aspects of Modern and Future Permanent Magnets.” Annu. Rev. Mater. Res. (2014). DOI: 10.1146/annurev-matsci-070813-113457.
Narasimhan, Kalathur. “Fundamental Properties of Permanent Magnets.” In Modern Permanent Magnets, edited by John Croat and John Ormerod. Woodhead Publishing, 2022. DOI: 10.1016/B978-0-323-88658-1.00005-4.
Ormerod, John. “Permanent Magnet Markets and Applications.” In Modern Permanent Magnets, edited by John Croat and John Ormerod. Woodhead Publishing, 2022. DOI: 10.1016/b978-0-323-88658-1.00012-1.
A collaboration between C&EN and Andy Brunning, author of the popular graphics blog Compound Interest
To see more of Brunning’s work, go to compoundchem.com. To see all of C&EN’s Periodic Graphics, visit cenm.ag/periodicgraphics.
Chemical & Engineering News
ISSN 0009-2347
Copyright © 2025 American Chemical Society
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