Magnetic domain structures and nano-string morphology of laser off-normal deposited amorphous cobalt films with controlled magnetic anisotropy

Madurga, V.; Vergara, José; Favieres, C.

doi:10.1016/j.jmmm.2003.12.251

Cited by 27 publications

(49 citation statements)

References 4 publications

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“…The zigzag shape is characteristic of charged domain walls that can appear in thin films with a large magnetic anisotropy where the shape serves the purpose of reducing the magnetic charge density [15,17,18]. A very coarse zigzag shape is observed in the corner domains nucleated at small negative fields, as seen in Figs.…”

Section: Resultsmentioning

confidence: 87%

Giant magnetic domains in amorphous SmCo thin films

et al. 2014

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The potential for tuning of magnetic properties and the exceptional uniformity are among the features that make amorphous magnetic materials attractive for technology. Here it is shown that the magnetization reversal in amorphous SmCo thin films takes place through the formation of giant magnetic domains, over a centimeter across. The domain structure is found to be dictated by the direction of the imprinted in-plane easy axis and the film boundaries. This is a consequence of the size of the anisotropy and the structural uniformity of the films, which also allows the movement of millimeter-long domain walls over distances of several millimeters. The results demonstrate the possibility of tailoring the magnetic domain structure in amorphous magnets over a wide range of length scales, up to centimeters. Moreover, they highlight an important consequence of the structural perfection of amorphous films.

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Section: Resultsmentioning

confidence: 87%

Giant magnetic domains in amorphous SmCo thin films

et al. 2014

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“…In previous works, we showed that the off-normal PLD technique allowed simultaneously growing and sculpting soft magnetic nano-strings, whose direction was perpendicular to the incidence plane [10]. Our scanning tunneling microscopy, STM, showed that the width of these nano-strings could be controlled between 8 and 30 nm by selecting the off-normal angle value and the deposition time [10].…”

mentioning

confidence: 71%

“…Our scanning tunneling microscopy, STM, showed that the width of these nano-strings could be controlled between 8 and 30 nm by selecting the off-normal angle value and the deposition time [10]. A controlled uniaxial in-plane magnetic anisotropy was then generated in the films, with values between 10 3 Jm À 3 and 10 4 Jm À 3 , depending on the deposition parameters.…”

Section: Introductionmentioning

confidence: 96%

Soft magnetic nano-strings simultaneously grown and sculpted on Si micro-cantilevers

Madurga

Vergara

Favieres

2010

Journal of Magnetism and Magnetic Materials

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“…It is known that changes in morphology of a layer will induce changes in the magnetic properties [43][44][45]. In our case, the magnetic field changes the surface roughness (see Section 3.2) of the deposited nickel (and maybe, the layer thickness slightly, via the influence on the current efficiency, see Section 3.1), thus inducing slight changes of the coercive field, the saturation magnetization and the residual magnetization.…”

Section: Magnetic Properties Of the Deposited Layersmentioning

confidence: 82%