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VOLUME 83 (2006) | ISSUE 2 | PAGE 89
First-order magnetic phase transitions in thin films
PACS: 68.35.Rh, 75.30.Kz
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.