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Title: Magnetic studies of Fe-Y compositionally modulated thin films
Author: Badia, Ferran
Ferrater Martorell, Cèsar
Lousa Rodríguez, Arturo
Martínez Perea, Benjamin
Labarta, Amílcar
Tejada Palacios, Javier
Keywords: Propietats magnètiques
Pel·lícules fines
Magnetic properties
Thin films
Issue Date: 1990
Publisher: American Institute of Physics
Abstract: Compositionally modulated thin films of Y/Fe have been studied by using SQUID magnetometry. Samples were grown by electron‐beam evaporation onto Kapton substrates. In the low applied field regime, the samples show irreversible behavior when they are submitted to ZFC‐FC magnetization processes, increasing the irreversibility zone as the thickness of the Fe layers increases. In the high applied magnetic field regime (H≥10 000 Oe), samples show ferromagnetic behavior. The temperature dependence of the saturation magnetization has been studied, and it was found that both spin‐wave excitations and Stoner excitations occur at temperatures higher than 40 K, and a marked deviation from the T3/2 law was noted below 30 K.
Note: Reproducció del document publicat a:
It is part of: Journal of Applied Physics, 1990, vol. 67, núm. 9, p. 5652-5654
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ISSN: 0021-8979
Appears in Collections:Articles publicats en revistes (Física Aplicada)
Articles publicats en revistes (Física de la Matèria Condensada)

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