Abstract
Known antiferromagnetic materials far out number known ferromagnetic and ferrimagnetic materials. Moreover, the antiferromagnets display a wide variety of phase transitions in addition to the paramagnetic to antiferromagnetic transition at the Néel point, that make them a rich source of information about the relationship between exchange interactions, structure, and phase transition phenomena. Mössbauer spectroscopy has been used extensively over the last decade to study antiferromagnets, capitalizing on the fact that the magnetic hyperfine field is proportional to the sublattice magnetization. In general, these studies have concentrated on determining the magnetic structure below TN and the sublattice magnetization as a function of T below TN, in some cases in the critical region. Less well studied are those transitions in antiferromagnets which are induced by external magnetic fields, although in these cases too, Mössbauer spectroscopy can provide important and often unique information.
Supported by the National Science Foundation.
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© 1974 New England Nuclear Corporation
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Frankel, R.B. (1974). Phase Transitions in Antiferromagnets in External Magnetic Fields: Mössbauer Spectroscopy. In: Gruverman, I.J., Seidel, C.W., Dieterly, D.K. (eds) Mössbauer Effect Methodology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-0937-6_8
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DOI: https://doi.org/10.1007/978-1-4684-0937-6_8
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