Data Supporting "Interfacial Structure Dependent Spin Mixing Conductance in Cobalt Thin Films", Physical Review Letters 115, 056601 (2015)

Bunyaev, Sergiy  (Universidade do Porto); Hindmarch, Aidan (Durham University, UK); Tokac, Mustafa (Durham University, UK); Schmool, David (University of Perpignan Via Domitia); Hindmarch, Aidan (Durham University, UK); Atkinson, Del (Durham University, UK); Kakazei, Gleb (Universidade do Porto)

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Data Supporting "Interfacial Structure Dependent Spin Mixing Conductance in Cobalt Thin Films", Physical Review Letters 115, 056601 (2015) Open Access

Enhancement of Gilbert damping in polycrystalline cobalt thin-film multilayers of various thicknesses, overlayered with copper or iridium, was studied in order to understand the role of local interface structure in spinpumping. X-ray diffraction indicates that cobalt films less than 6 nm thick have strong fcc(111) texture while thicker films are dominated by hcp(0001) structure. The intrinsic damping for cobalt thicknesses above 6 nm is weakly dependent on cobalt thickness for both overlayer materials, and below 6 nm the iridium overlayers show higher damping enhancement compared to copper overlayers; as expected due to spin-pumping. The interfacial spin mixing conductance is significantly enhanced in structures where both cobalt and iridium have fcc(111) structure in comparison to those where the cobalt layer has subtly different hcp(0001) texture at the interface.

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Resource type: Dataset
Contributors: Contact person: Hindmarch, Aidan ¹
Creator: Tokac, Mustafa ¹
Creator: Bunyaev, Sergiy ²
Creator: Kakazei, Gleb ²
Creator: Schmool, David ³
Creator: Atkinson, Del ¹
Creator: Hindmarch, Aidan ¹

¹ Durham University, UK
² Universidade do Porto
³ University of Perpignan Via Domitia
Funder: Engineering and Physical Sciences Research Council
Research methods
Other description
Keyword: Spin pumping
Interfacial spin-mixing
Subject: Magnetism
Ferromagnetic resonance
Location
Language
Cited in: doi:10.1103/PhysRevLett.115.056601
Identifier: doi:10.15128/n583xt96p
ark:/32150/n583xt96p
Publisher: Durham University
Date Created: 2015-07-24T00:00:00+00:00

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Depositor: S. Palucha
Date Uploaded: 21 October 2015, 14:10:19
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