Weak stripe domains in Co/Fe multilayers

Ausanio, G.; Iannotti, V.; Lanotte, L.; Carbucicchio, M.; Rateo, M.

doi:10.1016/s0304-8853(00)00878-7

Cited by 26 publications

(14 citation statements)

References 3 publications

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“…͑2͒ The well defined stripe domain structure shown by all samples 17 cannot be interpreted as due to independent magnetic phases. Indeed, independent magnetic phases would give rise to domain structures characterized by different size and different direction of the magnetization vector.…”

Section: Resultsmentioning

confidence: 98%

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Magnetic interactions and interface properties in Co/Fe multilayers

Agazzi

Bennett

Berry

et al. 2002

Journal of Applied Physics

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Co/Fe multilayers with different layer thickness formed by electron beam evaporation in ultrahigh vacuum have been investigated by grazing incidence x-ray reflectivity ͑GIXRR͒ and alternating gradient force magnetometry. The interface thicknesses are lower than GIXRR uncertainty ͑ϳ1 nm͒, favoring a strong magnetic exchange interaction between the layers responsible for their single phase magnetic behavior. The hysteresis loops were interpreted as the result of two different magnetization processes related to the presence of an out-of-plane component of the magnetization.

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Section: Resultsmentioning

confidence: 98%

“…17 This implies that magnetization has a component perpendicular to the film plane pointing up and down alternately and, from line intensity ratios of conversion electron Mössbauer spectra, an ϳ45°out-of-plane angle of the magnetization direction was determined.…”

Section: Resultsmentioning

confidence: 99%

Magnetic interactions and interface properties in Co/Fe multilayers

Agazzi

Bennett

Berry

et al. 2002

Journal of Applied Physics

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“…at 45°with respect to both the easy directions, the in-plane hysteresis loop shows a "transcritical shape", figure 9(a), which is typical of systems showing an appreciable out-of-plane component of the magnetization vector. The loop is due to the superposition of two contributions: (i) an abrupt transition at low applied fields due to wall displacement and (ii) an almost linear approach to the saturation for high applied fields, due to the progressive rotation of the magnetic moments [11]. The positive values of the M ∆ curve in figure 7(b) indicate that the high-temperature growth favours the establishing among the layers of a significant exchange-coupling interaction.…”

Section: Magnetic Propertiesmentioning

confidence: 93%

Effects of deposition temperature and elemental layer thickness on the properties of Fe/Co multilayers grown by molecular beam epitaxy

Carbucicchio¹,

Ciprian²,

Nasi³

2010

J. Phys. D: Appl. Phys.

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HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.Effects of deposition temperature and elemental layer thickness on the properties of Fe/Co multilayers grown by molecular beam epitaxyTo cite this version: Abstract. Fe/Co multilayers were grown at different temperatures up to 200°C onto MgO-(100) monocrystalline substrates, varying both the Co and Fe elemental layer thickness. All samples show a multilayered structure where the elemental layers are separated by a thin interfacial region which, for high-temperature growths, is constituted by an equiatomic FeCo compound. The multilayers grown at room temperature show an in-plane uniaxial magnetic anisotropy. The increase of the growing temperature determines an improvement of the sample smoothness and the appearance of two preferred in-plane orientations of the easy magnetization axis having different strength. By increasing the Co layer thickness, the in-plane magnetic behaviour becomes isotropic, while by increasing the Fe layer thickness, an out-of-plane contribution to the magnetization vector establishes which is responsible for the appearance of a well defined magnetic morphology constituted by stripe-like domains.

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“…Cobalt based compounds are also popular for magnetic recording media because of their higher recording density and higher coercivity [3]. The magnetization process of Co thin films, multilayer with other noble metals, submicron sized particles, and their patterned structures have been the subject of extensive investigations as they are both promising for industrial applications and important for understanding the fundamental aspects of surface magnetism [4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Magnetic Domain Studies of Cobalt Nanostructures

Nagaraja

Rossignol

et al. 2012

J Supercond Nov Magn

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International audienceThe pulsed laser deposition technique associated with a low energy cluster beam is used to deposit cobalt thin films with a thickness 100-200 nm and cobalt dots of a diameter 100-200 nm on silicon substrates. The deposited thin films of Co are composed of clusters of a size 10- 50 nm, with very few large grains as revealed by atomic force microscopy. The observations performed by magnetic force microscopy on as-grown thin films reveal randomly distributed out-of-plane magnetic domain structures. These magnetic domains are aligned linearly by applying an external magnetic field either perpendicular or parallel to the substrate during the deposition. In addition, the effect of film thickness and roughness on multidomains is reported. The increase of roughness resulted in the decrease of magnetic domain width from 200 to 100 nm. This decrease is accompanied by the appearance of instability in the stripe domain pattern. Well separated cobalt dots of diameter in the range of 100-200 nm are also deposited on silicon substrates, which show arc-like multidomains. The domains seem to be oriented along the long axis of the dots. The domain structure of Co nanodots is similar to that of Co thin films indicating strong magnetic coupling of clusters

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Weak stripe domains in Co/Fe multilayers

Cited by 26 publications

References 3 publications

Magnetic interactions and interface properties in Co/Fe multilayers

Magnetic interactions and interface properties in Co/Fe multilayers

Effects of deposition temperature and elemental layer thickness on the properties of Fe/Co multilayers grown by molecular beam epitaxy

Magnetic Domain Studies of Cobalt Nanostructures

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