Lattice parameter anomalies at the Curie point of pure iron
- 1 October 1968
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 1 (10) , 1291-1295
- https://doi.org/10.1088/0022-3727/1/10/308
Abstract
A high-temperature x-ray study of pure iron has shown that a small, but easily detectable, lattice parameter anomaly, representing a decrease in the mean linear thermal expansion coefficient, occurs over a narrow range of temperature (similar 35 degc) about the Curie point. The total volume change associated with the ferromagnetic-paramagnetic transition in pure iron obtained from the experimental measurements gave values in good agreement with those calculated directly from volume magnetostriction data, although for an alternative method of calculation the agreement was poor.Keywords
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