Periodic Graphics: Permanent magnets explained

Chemical educator and Compound Interest blogger Andy Brunning explores the materials science of permanent magnets 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,