In-plane anisotropy and coupling in Fe/Ag superlattices

Chemam, F.; Bouabellou, A.; Layadi, A.; Sénoussi, S.

doi:10.1016/s0928-4931(01)00462-3

Cited by 7 publications

(6 citation statements)

References 15 publications

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“…which clearly indicates a 45° rotation of the Fe(001) lattice with respect to the Ag(001) lattices [6]. Etienne and Massies [8] showed that the growth of Fe on Ag gives rise to the formation of 3D islands, which indicate a rough Fe surface.…”

Section: Resultsmentioning

confidence: 96%

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Effect of interface roughness on the magnetic anisotropy in epitaxial Fe films

Chemam¹,

Boukhalfa²,

Bouabellou³

2006

Phys. Status Solidi (c)

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We have grown by molecular beam epitaxy (MBE) 300 Å Fe films on single crystal MgO(001) substrates with Ag buffer layer with a thickness varying from 0 to 150 Å. The epitaxial growth and structure quality of the films were verified by reflection high-energy electron diffraction (RHEED) and X-ray diffraction. Small angle X-ray diffraction revealed the dependence of interfacial roughness on the thickness of Ag buffer layer. In-plane magnetic anisotropy was determined by means of magneto-optic Kerr effect at room temperature. The analysis of hysteresis loops showed a dependence of uniaxial anisotropy field H u and coercive fields on the Ag buffer layer.

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Section: Resultsmentioning

confidence: 96%

“…Fe/Ag superlattices show perpendicular anisotropy [3][4][5] as well as an in-plane uniaxial anisotropy which have been studied by ferromagnetic resonance (FMR) at room temperature [6] and Kerr effect [7].…”

Section: Introductionmentioning

confidence: 99%

Effect of interface roughness on the magnetic anisotropy in epitaxial Fe films

Chemam¹,

Boukhalfa²,

Bouabellou³

2006

Phys. Status Solidi (c)

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“…Desde las últimas dos décadas, las películas de hierro depositadas sobre plata han llamado la atención de los investigadores, debido a que estas dos fases no son miscibles en condiciones de equilibrio, hecho que permite elaborar estructuras estables en el tiempo, sin que ocurra la formación de aleaciones al variar la temperatura. Este sistema ha sido ampliamente investigado usando métodos de elaboración físicos como: deposición térmica (TD), también conocida como deposición física de vapor (PVD) [10]; deposición por láser pulsado (PLD) [11] y crecimiento epitaxial por haz molecular (MBE) [12][13][14][15][16]. Las investigaciones se han centrado en el estudio de las propiedades magnéticas [17][18][19] y estructura [20][21][22].…”

Section: Introductionunclassified

Electrodeposition of Iron Films and their Characterization Using Spectroscopic Techniques and Electron Microscopy

Corredor

Jorge

Rojas

2009

Port. Electrochim. Acta

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Using chronoamperometry technique and a ferrous ammonium sulphate bath, an iron film was electroplated on a silver electrode. The characterization of the iron film was carried out using the analytical Electron Probe for Microanalysis (EPMA), X ray Diffraction (DRX) and Spectroscopy Mössbauer Transmission (TMS). The obtained results indicate that the film had an approximated thickness of 20 µm and it was compound mainly of metallic iron with crystalline structure bcc. Analysis EPMA indicated that the iron film presented islands of silver of different sizes in all the area.Keywords: electrodeposition, iron film, electronic microsounding, Mössbauer. IntroducciónEl estudio del hierro como material magnético elemental es especialmente atractivo, debido a la riqueza en estructuras cristalinas que presenta su diagrama de fase, entre las que podemos encontrar la bcc, fcc y hcp, característica que lo constituye como candidato potencial para la variación controlada de su estado magnético, lo que puede lograrse haciendo una selección apropiada de las condiciones de crecimiento. La deposición de metales magnéticos por vía electroquímica es un método viable para la fabricación de películas magnéticas delgadas [1], las cuales son de gran interés por su aplicación en sistemas microelectromecánicos, micromagnetos y registradores magnéticos de densidad ultra alta. La electrodeposición de hierro puro como una película delgada ferromagnética ha recibido atención limitada, en oposición a la bien estudiada electrodeposición de las aleaciones de hierro.

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“…r Thin magnetic films separated by a non-magnetic spacer layer have been investigated by many experimental and theoretical works, in trying to understand the origin of new magnetic properties, namely the magnetic anisotropy and exchange coupling [1,2]. Fe/ Ag superlattices show perpendicular anisotropy [3,4] as well as an in-plane uniaxial anisotropy, which have been studied by ferromagnetic resonance (FMR) at room temperature [5].The growth of Fe/Ag bilayer was performed in UHV on a Riber molecular beam epitaxy (MBE) system onto polished MgO(0 0 1) substrates at room temperature (RT). The Ag buffer layer was evaporated with Knudsen cell at a rate deposition of 1 ( A/s.…”

mentioning

confidence: 99%

“…Fe/ Ag superlattices show perpendicular anisotropy [3,4] as well as an in-plane uniaxial anisotropy, which have been studied by ferromagnetic resonance (FMR) at room temperature [5].…”

mentioning

confidence: 99%