Ausanio, Giovanni and Iannotti, Vincenzo and Lanotte, Luciano and Amoruso, Salvatore (2011) Effect of deposition temperature on morphology and magnetic properties of Co50Fe50 thin films produced by femtosecond pulsed laser deposition. [Pubblicazione in rivista scientifica]

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Tipologia del documento: Pubblicazione in rivista scientifica
Titolo: Effect of deposition temperature on morphology and magnetic properties of Co50Fe50 thin films produced by femtosecond pulsed laser deposition
Autori:
AutoreEmail
Ausanio, Giovanni[non definito]
Iannotti, Vincenzo[non definito]
Lanotte, Luciano[non definito]
Amoruso, Salvatore[non definito]
Autore/i: Hison, C.L. ; Aruta, C. ; Wang, X. ; Tamisari, M.
Data: 29 Luglio 2011
Numero di pagine: 6
Dipartimento: Scienze fisiche
Sezione di dipartimento: Struttura della materia
Numero identificativo: DOI:10.1016/j.tsf.2011.04.218
URL ufficiale: http://www.sciencedirect.com/science/article/pii/S...
Titolo del periodico: Thin Solid Films
Data: 29 Luglio 2011
ISSN: 0040-6090
Volume: 519
Numero: 19
Intervallo di pagine: pp. 6420-6425
Numero di pagine: 6
Parole chiave: Femtosecond pulsed laser deposition; Substrate temperature; Magnetic nanoparticle-assembled films; Magnetoelastic anisotropy
Numero identificativo: DOI:10.1016/j.tsf.2011.04.218
Settori scientifico-disciplinari del MIUR: Area 02 - Scienze fisiche > FIS/03 - Fisica della materia
Depositato il: 28 Giu 2011 13:43
Ultima modifica: 30 Apr 2014 19:46
URI: http://www.fedoa.unina.it/id/eprint/8461

Abstract

Deposition temperature effect on morphological, topological and magnetic characteristics of nanoparticle-assembled Co50Fe50 films produced by femtosecond pulsed laser deposition (fs-PLD) on Kapton substrate was investigated. For substrate temperature Ts ≥ 550 K, a decrement of the nanoparticle's aggregates and an increment of the nanoparticle's density were observed with respect to room temperature deposition; this in association with a strong increase of the magnetoelastic anisotropy energy lead to a reduction of the remanence ratio, a significant rise of the saturation and coercive fields and an enhancement of the saturation magnetization. The results are discussed focusing on: i) the correlation between films structure and their magnetic behavior; ii) the role of the different anisotropy energies in determining the harder in-plane magnetic behavior for Ts ≥ 550 K. The thermal strain of Kapton substrate holds an important role in generating morphological and topological characteristics of the fs-PLD films and corresponding magnetic properties.

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