Ausanio, Giovanni and Iannotti, Vincenzo and Amoruso, Salvatore and Lanotte, Luciano (2006) Morphology structure and magnetic properties of (Tb0.3Dy0.7Fe2)(100-x)Fe-x nanogranular films produced by ultrashort pulsed laser deposition. [Pubblicazione in rivista scientifica]
Il contenuto (Full text) non è disponibile all'interno di questo archivio.| Tipologia del documento: | Pubblicazione in rivista scientifica |
|---|---|
| Lingua: | English |
| Titolo: | Morphology structure and magnetic properties of (Tb0.3Dy0.7Fe2)(100-x)Fe-x nanogranular films produced by ultrashort pulsed laser deposition |
| Autori: | Autore Email Ausanio, Giovanni [non definito] Iannotti, Vincenzo [non definito] Amoruso, Salvatore [non definito] Lanotte, Luciano [non definito] |
| Autore/i: | G. AUSANIO; A.C. BARONE; IANNOTTI V; P. SCARDI, M. D'INCAU, S. AMORUSO, VITIELLO M; L. LANOTTE |
| Data: | 2006 |
| Numero di pagine: | 6 |
| Dipartimento: | Scienze fisiche |
| Numero identificativo: | 10.1088/0957-4484/17/2/033 |
| Titolo del periodico: | NANOTECHNOLOGY |
| Data: | 2006 |
| Volume: | 17 |
| Intervallo di pagine: | pp. 536-542 |
| Numero di pagine: | 6 |
| Numero identificativo: | 10.1088/0957-4484/17/2/033 |
| Depositato il: | 20 Ott 2010 08:00 |
| Ultima modifica: | 30 Apr 2014 19:42 |
| URI: | http://www.fedoa.unina.it/id/eprint/6400 |
Abstract
Magnetic films were produced by ultrashort pulsed laser deposition (uPLD) using a rotating multitarget of terfenol-D (nominal composition: Tb0.3Dy0.7Fe2) and iron. The composite films obtained have a nanoparticle morphology typical of material produced by the uPLD technique, where each particle retains the stoichiometry of the parent target material. The co-deposition allows the production of (Tb0.3Dy0.7Fe2)100−x Fex films, where x can range from 0% to 100%. Unlike films obtained by standard nanosecond PLD, pure terfenol-D layers (x = 0) are amorphous, while the addition of iron induces the formation of Fe crystalline nanoparticles inside an amorphous nanogranular matrix of terfenol-D. The magnetic properties depend on the nanoparticle morphology and more strictly on the fraction of iron particles. In particular, it was demonstrated that the exchange interaction between hard magnetic terfenol-D nanoparticles and iron nanoparticles is active in the uPLD films, giving a cumulative magnetic response resulting from an averaging of the properties of the two component phases.
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