First-order magnetic phase transitions in thin films |
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| Authors: | J. -P. Ader A. I. Buzdin |
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| Affiliation: | (1) Condensed Matter Theory Group, CPMOH UMR CNRS 5798, Université de Bordeaux, 33405 Talence Cedex, France;(2) Institut Universitaire de France, Paris, France |
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| Abstract: | Using the simple Landau model, we discuss near-surface magnetic effects for thin films corresponding to first-order phase transitions. The size effects observed in ultrathin ferroelectric films are in agreement with this theoretical interpretation. The presence of a weak external field is also formulated. The text was submitted by the authors in English. |
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