Perpendicular magnetization in Ni/Pt multilayers

Krishnan, R.; Lassri, H.; Porte, M.; Tessier, M.; Renaudin, P.

doi:10.1063/1.105608

Cited by 30 publications

(21 citation statements)

References 6 publications

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“…This is in agreement with our result on Ni/Ag [10] and on Ni/Pd by den Broeder et al [11]. However, we have shown that in the Ni/Pt system a strong perpendicular anisotropy is present arising from the surface anisotropy [12]. It is well known that the surface anisotropy arises from the local crystal fields and hence should not only depend on the state of the interface but also on the electronic structure of the neighboring metal.…”

Section: Resultssupporting

confidence: 92%

Magnetic properties and interlayer coupling of sputtered Ni/V multilayers

Benkirane

Elkabil

Lassri

et al. 2005

Journal of Alloys and Compounds

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Section: Resultssupporting

confidence: 92%

Magnetic properties and interlayer coupling of sputtered Ni/V multilayers

Benkirane

Elkabil

Lassri

et al. 2005

Journal of Alloys and Compounds

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“…Krishnan et al 1 found in Ni͞Pt multilayers a perpendicular magnetization for Ni-layers with a thickness <1 nm. The same authors showed that one can get higher anisotropy values at the same thickness by evaporating at higher temperatures (200 ± instead of 30 ± ), which leads to positive values of the effective anisotropy for Ni-layer thicknesses <1.9 nm.…”

Section: Introductionmentioning

confidence: 98%

“…Most of the work in the past was done using Co-based systems, but recently similar results were reported for Ni-based multilayers. [1][2][3] Unlike the Co-based systems where the Co layers can have the face-centered cubic (fcc) or the hexagonal compact packing (hcp) structure, 4 the Ni-, Pt-, and Pd-layers in the Ni͞Pt and Ni͞Pd systems always have the fcc structure at all temperatures, and therefore influences from phase transformations on the anisotropy can be excluded.…”

Section: Introductionmentioning

confidence: 99%

Structural properties of molecular beam epitaxy grown Ni/Pt superlattices

et al. 1997

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We find that the [Ni 3.2nm Pt 1.6nm ] 3 15 and [Ni 3.2nm Pt 0.8nm ] 3 15 multilayers are semicoherent and display a columnar morphology. From both the period of the moiré fringes and the positions of the diffraction peaks in electronic (plan-view and crosssection geometries) and x-ray diffraction patterns, one deduces that the nickel is relaxed (at least in the error bars of all our measurements), whereas the platinum remains slightly strained ͑ഠ21%͒. The interfaces are sharp; no intermixing takes place giving rise to neat contrasts in transmission electron microscopy (TEM) and to high intensities of the superlattice peaks in the growth direction in both diffraction techniques. The relaxation of the interfacial misfit occurs partially through misfit dislocations, partially through the strain of platinum. A quasiperiodic twinning occurs at the interfaces, the stacking fault which forms the twin being the most often located at the interface Pt͞Ni, i.e., when a Pt layer begins to grow on the Ni layer. The simulation of the u͞2u superlattice peak intensities takes into account the columnar microstructure. It shows that the roughness is predominantly at medium scale with a fluctuation of about 12.5% for Ni layers and negligible for Pt layers.

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“…The Pt/Ni multilayers were prepared by sequential deposition under ultrahigh vacuum using a dual e-beam system [7]. The samples were deposited onto glass substrates.…”

Section: Methodsmentioning

confidence: 99%

“…Structure, magnetic and magnetooptic properties of Ni containing multilayers including selected results on polar Kerr spectroscopy were the subject of [4]-[6]. The perpendicular magnetic anisotropy has been demonstrated in both Pt/Ni and Pd/Ni systems [4,7]. The polar Kerr effect in Pt/Ni multilayers was the subject of [8].…”

Section: Manuscript Received February Is 1993mentioning

confidence: 99%

Polar and longitudinal magnetooptic Kerr effect in Pt/Ni and Pd/Ni multilayers

et al. 1993

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The paper deals with the magnetooptical spectroscopic studies of Pt/M and PdNi multilayers. The films were grown onto glass (pt/Ni) and mica (PdlNi) substrates by dual electron beam evaporation. In the WNi set the thickness of Pt layers was kept constant at 2 am while that of Ni layers was 1.2 and 2.9 nm. For the Pd/Ni set the individual Ni and Pd layer thicknesses varied k e e n 1 and 10 monoatomic layers. Simultaneous polar and longitudinal magnetooptical Kerr rotation and ellipticity experiments were carried out in the spectral range between 1.5 and 5.2 eV. The observed line broadening, shift andlor splitting are assigned to an effect of the interface M-Pd (or Ni-Pt) layers.

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Perpendicular magnetization in Ni/Pt multilayers

Abstract: Articles you may be interested inGrowth modes of nanocrystalline Ni/Pt multilayers with deposition temperature J. Appl. Phys. 102, 043525 (2007); 10.1063/1.2769785 X-ray magnetic circular dichroic magnetometry on Ni/Pt multilayers

Cited by 30 publications

References 6 publications

Magnetic properties and interlayer coupling of sputtered Ni/V multilayers

Magnetic properties and interlayer coupling of sputtered Ni/V multilayers

Structural properties of molecular beam epitaxy grown Ni/Pt superlattices

Polar and longitudinal magnetooptic Kerr effect in Pt/Ni and Pd/Ni multilayers

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