Unambiguous evidence of oscillatory magnetic coupling between Co layers in ultrahigh vacuum grown Co/Au(111)/Co trilayers

Grolier, V.; Renard, D.; Bartenlian, B.; Beauvillain, P.; Chappert, C.; Dupas, C.; Ferré, J.; Galtier, M.; Kolb, Evelyne; Mulloy, M.; Renard, Jean‐Pierre; Veillet, P.

doi:10.1103/physrevlett.71.3023

Cited by 130 publications

(50 citation statements)

References 26 publications

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“…Although in most cases, the coupling is of the form (14), which leads to either ferro-or antiferromagnetic coupling, Rűhrig et al [21] found that for spacer thicknesses around a change of sign of J, the interlayer coupling in Fe/Cr/Fe films A great variety of experimental methods have been used to investigate IEC: • The most widely used method consists in measuring magnetization [20,22], magneto-optical Kerr effect (MOKE) [23,24] or magnetoresistance [19] loops. With this method, however, only antiferromagnetic coupling can be measured in general.…”

Section: General Considerationsmentioning

confidence: 99%

“…With this method, however, only antiferromagnetic coupling can be measured in general. In order to be able to measure also ferromagnetic coupling, one has to use a special sample design [22,24]. A particular advantage of MOKE is that it is easily implemented in vacuo and that it can be used to probe locally the coupling in samples with a wedge or staircase spacer layer (produced by moving a shutter during evaporation).…”

Section: General Considerationsmentioning

confidence: 99%

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Quantum Size Effects in Ultrathin Layered Magnetic Systems

Bruno

1997

Acta Phys. Pol. A

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The effect of electron confinement in ultrathin layered magnetic systems is discussed. This leads to quantum size effects which can be observed by photoemission in overlayers. In magnetic multilayers, spectacular oscillatory behavior of the interlayer exchange coupling results from the electron confinement. The quantum size effects manifest themselves also in the magneto-optical properties of ultrathin films.

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Section: General Considerationsmentioning

confidence: 99%

Section: General Considerationsmentioning

confidence: 99%

Quantum Size Effects in Ultrathin Layered Magnetic Systems

Bruno

1997

Acta Phys. Pol. A

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“…-The origin of the anti-parallel alignment in the domain walls should now be explained. The interpretation is based on the dipolar coupling only, as the Au spacer thickness (5 nm) is sufficient to neglect any direct coupling [22]. We can rule out that domains are misaligned (Fig.…”

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confidence: 99%

Domain wall structure in magnetic bilayers with perpendicular anisotropy

Bellec

Rohart

Labrune

et al. 2010

EPL

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Ch -Domain walls and domain structure PACS 75.70.-i -Magnetic properties of thin films, surfaces, and interfaces PACS 68.37.Ef -Scanning tunneling microscopy (including chemistry induced with STM)Abstract. -We study the magnetic domain wall structure in magnetic bilayers (two ultrathin ferromagnetic layers separated by a non magnetic spacer) with perpendicular magnetization. Combining magnetic force and ballistic electron emission microscopies, we are able to reveal the details of the magnetic structure of the wall with a high spatial accuracy. In these layers, we show that the classical Bloch wall observed in single layers transforms into superposed Néel walls due to the magnetic coupling between the ferromagnetic layers. Quantitative agreement with micromagnetic calculations is achieved.

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“…11 For ͓Co/ Pt͔ n multilayers, the nucleation mode dominates in the early magnetization reversal stage, as the case for the Fibonacci sample shown by direct domain imaging. A recent report using transmission x-ray microscopy shows the existence of a large number of nucleation sites in the saturation state.…”

Section: Resultsmentioning

confidence: 99%

Magnetic properties of one-dimensional quasiperiodic Co∕Pt multilayers

Zhu

Cheng

Chien

2006

Journal of Applied Physics

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We have fabricated Fibonacci ͓Co/ Pt͔ multilayers with two constituent Co/ Pt bilayers, as well as periodic multilayers of the same Co/ Pt bilayers, all of which exhibit perpendicular magnetic anisotropy. Magnetic properties of the quasiperiodic and periodic ͓Co/ Pt͔ multilayers have been studied macroscopically by vibrating sample magnetometry and microscopically by magnetic force microscopy. The Fibonacci ͓Co/ Pt͔ multilayers show enhanced squareness in magnetic hysteresis loops compared to the corresponding periodic ͓Co/ Pt͔ n multilayers, due to a smaller density of isolated nucleation sites in the saturation state.

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Unambiguous evidence of oscillatory magnetic coupling between Co layers in ultrahigh vacuum grown Co/Au(111)/Co trilayers

Cited by 130 publications

References 26 publications

Quantum Size Effects in Ultrathin Layered Magnetic Systems

Quantum Size Effects in Ultrathin Layered Magnetic Systems

Domain wall structure in magnetic bilayers with perpendicular anisotropy

Magnetic properties of one-dimensional quasiperiodic Co∕Pt multilayers

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