Spintronic devices based on magnetic nanostructures

Two types of spintronic devices on the basis of magnetic nanostructures containing silicon dioxide films with cobalt nanoparticles SiO₂(Co) on GaAs substrate, magnetic sensors and magnetically operated field-effect transistor, were studied. Action of magnetic sensors is based on the injection magnet...

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Datum:2012
Hauptverfasser: Lutsev, L.V., Stognij, A.I., Novitskii, N.N., Shulenkov, A.S.
Format: Artikel
Sprache:English
Veröffentlicht: НТК «Інститут монокристалів» НАН України 2012
Schriftenreihe:Functional Materials
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Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/134034
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Spintronic devices based on magnetic nanostructures / L.V. Lutsev, A.I. Stognij, N.N. Novitskii, A.S. Shulenkov // Functional Materials. — 2012. — Т. 19, № 1. — С. 33-37. — Бібліогр.: 11 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Zusammenfassung:Two types of spintronic devices on the basis of magnetic nanostructures containing silicon dioxide films with cobalt nanoparticles SiO₂(Co) on GaAs substrate, magnetic sensors and magnetically operated field-effect transistor, were studied. Action of magnetic sensors is based on the injection magnetoresistance effect. This effect manifests itself in avalanche suppression by the magnetic field in GaAs near the SiO₂(Co)/GaAs interface. Field-effect transistor contains SiO₂(Co) heterostructure under gate. It was found that the magnetic field action leads to significant changes in electron mobility in the channel due to interaction between spins of Co nanoparticles and electron spins.