Structures and magnetic moments of Co–Ag alloy films prepared by ion beam assisted deposition at various ion incidence angles

Alloy films in the immiscible Co–Ag system are prepared by ion beam assisted deposition (IBAD) at various ion incident angles. Metastable structures containing Co and Ag solid solutions and amorphous structures are obtained. The size of these components is within 5 nm. The atomic magnetic moments (A...

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Veröffentlicht in:	Journal of alloys and compounds 2008-06, Vol.458 (1), p.5-10
Hauptverfasser:	Zeng, F., Li, X.W., Gu, Y., Song, C., Zong, R.L., Geng, K.W., Gu, Y.L., Pan, F., Wang, J., Yan, W.S., He, B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Magnetic measurement Magnetic properties and materials Magnetic properties of monolayers and thin films Magnetic properties of surface, thin films and multilayers Magnetisation Metals and alloys Physics Structure and morphology thickness Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Thin film structure and morphology
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Zusammenfassung:	Alloy films in the immiscible Co–Ag system are prepared by ion beam assisted deposition (IBAD) at various ion incident angles. Metastable structures containing Co and Ag solid solutions and amorphous structures are obtained. The size of these components is within 5 nm. The atomic magnetic moments (AMM) of Co are studied by X-ray magnetic circular dichroism (XMCD). The orbit moments are found to increase much. The orbit/spin ratio arrives to 0.27–0.38. The total AM varies in a wide range. The possible mechanism for the high orbit/spin ratios and variation of AMM are discussed on the base of crystalline structure, cluster size and interface.
ISSN:	0925-8388 1873-4669
DOI:	10.1016/j.jallcom.2007.03.125