CobaltMaghrebV1, France, Analysis, bibRecord, 000337

In situ resistivity and magnetoresistance studies of Co/Au(111) single layers and bilayers

Identifieur interne : 000337 ( France/Analysis ); précédent : 000336; suivant : 000338

In situ resistivity and magnetoresistance studies of Co/Au(111) single layers and bilayers

Auteurs : J. Corno [France] ; M. Galtier [France] ; D. Renard [France] ; J. P. Renard [France] ; F. Trigui [Tunisie]

Source :

European physical journal B [ 1434-6028 ] ; 1999.

RBID : Pascal:99-0398590

Descripteurs français

Pascal (Inist)
- Magnétorésistance, Conductivité électrique, Hystérésis, Effet champ magnétique, Epaisseur, Dépôt sous vide, Ultravide, Anisotropie, Interaction échange, Dépendance température, Interaction électron spin, Bicouche, Composé sandwich, Cobalt, Or, Etude expérimentale, 7350J, 7361A, Au, Co.
Wicri :
- topic : Cobalt, Or.

English descriptors

KwdEn :
- Anisotropy, Bilayers, Cobalt, Electrical conductivity, Electron spin interaction, Exchange interactions, Experimental study, Gold, Hysteresis, Magnetic field effects, Magnetoresistance, Sandwich compound, Temperature dependence, Thickness, Ultrahigh vacuum, Vacuum deposition.

Abstract

We report here on resistance and magnetoresistance (MR) studies of ultrathin Co/Au(111) single sandwiches and bilayers with perpendicular magnetization. Resistance of the films was measured in situ in ultrahigh vacuum, during depositions and as a function of a perpendicular applied magnetic field. A large MR variation with the thickness of Au coverage was observed and compared to calculations. The coercive field of the Co films shows a drastic variation with the Au coverage thickness, which reflects the theoretical anisotropy variation. It was measured as a function of temperature. For the first time, the effect of interlayer interaction on the resistivity of a Co bilayer during the growth of Co top layer, is evidenced and compared to calculations. Finally, hysteresis loops of strongly antiferromagnetically coupled bilayers are investigated.

Affiliations:

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Pascal:99-0398590

Le document en format XML

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<term>Bilayers</term>
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<term>Electrical conductivity</term>
<term>Electron spin interaction</term>
<term>Exchange interactions</term>
<term>Experimental study</term>
<term>Gold</term>
<term>Hysteresis</term>
<term>Magnetic field effects</term>
<term>Magnetoresistance</term>
<term>Sandwich compound</term>
<term>Temperature dependence</term>
<term>Thickness</term>
<term>Ultrahigh vacuum</term>
<term>Vacuum deposition</term>
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<term>Conductivité électrique</term>
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<term>Effet champ magnétique</term>
<term>Epaisseur</term>
<term>Dépôt sous vide</term>
<term>Ultravide</term>
<term>Anisotropie</term>
<term>Interaction échange</term>
<term>Dépendance température</term>
<term>Interaction électron spin</term>
<term>Bicouche</term>
<term>Composé sandwich</term>
<term>Cobalt</term>
<term>Or</term>
<term>Etude expérimentale</term>
<term>7350J</term>
<term>7361A</term>
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<term>Or</term>
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<front><div type="abstract" xml:lang="en">We report here on resistance and magnetoresistance (MR) studies of ultrathin Co/Au(111) single sandwiches and bilayers with perpendicular magnetization. Resistance of the films was measured in situ in ultrahigh vacuum, during depositions and as a function of a perpendicular applied magnetic field. A large MR variation with the thickness of Au coverage was observed and compared to calculations. The coercive field of the Co films shows a drastic variation with the Au coverage thickness, which reflects the theoretical anisotropy variation. It was measured as a function of temperature. For the first time, the effect of interlayer interaction on the resistivity of a Co bilayer during the growth of Co top layer, is evidenced and compared to calculations. Finally, hysteresis loops of strongly antiferromagnetically coupled bilayers are investigated.</div>
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In situ resistivity and magnetoresistance studies of Co/Au(111) single layers and bilayers

In situ resistivity and magnetoresistance studies of Co/Au(111) single layers and bilayers

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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Pour manipuler ce document sous Unix (Dilib)

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