CONDENSED MATTER

First-order magnetic phase transitions in thin films

J.-P. Ader^a, A. I. Buzdin<sup>b

a</sup> Université Bordeaux 1
^b Institut Universitaire de France, Paris, France

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.

PACS: 68.35.Rh, 75.30.Kz

Received: 04.10.2005

Language: English

 English version: Journal of Experimental and Theoretical Physics Letters, 2006, 83:2, 79–82

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