A century of zero expansion

Peter Mohn ()
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Peter Mohn: the Center for Computational Materials Science, Vienna University of Technology

Nature, 1999, vol. 400, issue 6739, 18-19

Abstract: Metallic mixtures of iron and nickel that do not change volume when heated were discovered more than a century ago. These ‘invar’ alloys have found many uses in heat-sensitive devices. A new quantum mechanical explanation of their behaviour describes the changing nature of magnetically ordered states in the alloy.

Date: 1999
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DOI: 10.1038/21778

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