Spin engineering: Direct determination of the Ruderman-Kittel-Kasuya-Yosida far-field range function in ruthenium

Journal Article · Tue Oct 01 04:00:00 EDT 1991 · Physical Review, B: Condensed Matter; (United States)

DOI:https://doi.org/10.1103/PhysRevB.44.7131· OSTI ID:5173385

Parkin, S S.P. ^[1]; Mauri, D ^[2]

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1. IBM Research Division, Almaden Research Center, 650 Harry Road, San Jose, California (USA)
2. IBM Storage Systems Products Division, 5600 Cottle Road, San Jose, California (USA)

Oscillations in both {ital ferromagnetic} and antiferromagnetic indirect exchange coupling through Ru are directly measured. Ferromagnetic coupling is determined by {ital spin} {ital engineering} multilayered structures comprised of trilayers of Ni{sub 80}Co{sub 20}/Ru/Ni{sub 80}Co{sub 20} in which one of the Ni{sub 80}Co{sub 20} layers is strongly antiferromagnetically pinned to a Co layer. Oscillations in antiferromagnetic exchange coupling are measured in companion Ni{sub 80}Cu{sub 20}/Ru multilayers. The dependence of the exchange coupling strength on Ru thickness is well described by the Ruderman-Kittel-Kasuya-Yosida far-field range function, providing a direct measurement of this function through a transition metal.

• OSTI ID: 5173385
• Journal Information: Physical Review, B: Condensed Matter; (United States), Journal Name: Physical Review, B: Condensed Matter; (United States) Vol. 44:13; ISSN PRBMD; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
ANTIFERROMAGNETISM
COUPLING
ELEMENTS
EXCHANGE INTERACTIONS
FERROMAGNETISM
INTERACTIONS
LAYERS
MAGNETISM
METALS
PLATINUM METALS
RUDERMAN-KITTEL COUPLING
RUTHENIUM
TRANSITION ELEMENTS