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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Дата: | 2012 |
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НТК «Інститут монокристалів» НАН України
2012
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Назва видання: | Functional Materials |
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Онлайн доступ: | 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 |
Цитувати: | 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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irk-123456789-1340342018-06-12T03:04:15Z Spintronic devices based on magnetic nanostructures Lutsev, L.V. Stognij, A.I. Novitskii, N.N. Shulenkov, A.S. Characterization and properties 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. Досліджено два види спінтронних пристроїв на основі магнітних наноструктур, що містять плівки діоксиду кремнію з наночастинками кобальту SiO₂(Co) на підкладці GaAs — магнітних сенсорів і магнітокерованого польового транзистора. Дія магнітних сенсорів заснована на ефекті інжекційного магнітоопору, який полягає у тому, що магнітне поле пригнічує лавинний процес в GaAs поблизу інтерфейсу SiO₂(Co)/GaAs. Польовий транзистор містить гетероструктуру SiO₂(Co) під затвором. Виявлено, що завдяки ефекту взаємодії спинів наночастинок Co зі спинами електронів каналу, магнітне поле призводить до істотної зміни рухливості електронів. Исследованы два вида спинтронных устройств на основе магнитных наноструктур, содержащих пленки диоксида кремния с наночастицами кобальта SiO₂(Co) на подложке GaAs — магнитных сенсоров и магнитоунравляемого полевого транзистора. Действие магнитных сенсоров основано на эффекте инжекционного магнитосопротивления, который заключается в том, что магнитное поле подавляет лавинный процесс в GaAs вблизи интерфейса SiO₂(Co)/GaAs. Полевой транзистор содержит гетероструктуру SiO₂(Co) под затвором. Обнаружено, что благодаря эффекту взаимодействия спинов наночастиц Co со спинами электронов канала, магнитное поле приводит к существенному изменению подвижности электронов. 2012 Article 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. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/134034 en Functional Materials НТК «Інститут монокристалів» НАН України |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
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DSpace DC |
language |
English |
topic |
Characterization and properties Characterization and properties |
spellingShingle |
Characterization and properties Characterization and properties Lutsev, L.V. Stognij, A.I. Novitskii, N.N. Shulenkov, A.S. Spintronic devices based on magnetic nanostructures Functional Materials |
description |
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. |
format |
Article |
author |
Lutsev, L.V. Stognij, A.I. Novitskii, N.N. Shulenkov, A.S. |
author_facet |
Lutsev, L.V. Stognij, A.I. Novitskii, N.N. Shulenkov, A.S. |
author_sort |
Lutsev, L.V. |
title |
Spintronic devices based on magnetic nanostructures |
title_short |
Spintronic devices based on magnetic nanostructures |
title_full |
Spintronic devices based on magnetic nanostructures |
title_fullStr |
Spintronic devices based on magnetic nanostructures |
title_full_unstemmed |
Spintronic devices based on magnetic nanostructures |
title_sort |
spintronic devices based on magnetic nanostructures |
publisher |
НТК «Інститут монокристалів» НАН України |
publishDate |
2012 |
topic_facet |
Characterization and properties |
url |
http://dspace.nbuv.gov.ua/handle/123456789/134034 |
citation_txt |
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. |
series |
Functional Materials |
work_keys_str_mv |
AT lutsevlv spintronicdevicesbasedonmagneticnanostructures AT stognijai spintronicdevicesbasedonmagneticnanostructures AT novitskiinn spintronicdevicesbasedonmagneticnanostructures AT shulenkovas spintronicdevicesbasedonmagneticnanostructures |
first_indexed |
2025-07-09T20:10:43Z |
last_indexed |
2025-07-09T20:10:43Z |
_version_ |
1837201458951356416 |
fulltext |
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