Influence of annealing parameters on the ferromagnetic properties of optimally passivated (Ga,Mn)As epilayers
Document identifier: oai:dalea.du.se:2683
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10.1103/PhysRevB.72.125324Keyword: Engineering and Technology,
Materials Engineering,
Teknik och teknologier,
MaterialteknikPublication year: 2005Relevant Sustainable Development Goals (SDGs):
The SDG label(s) above have been assigned by OSDG.aiAbstract: The influence of annealing parameters—temperature (Ta) and time (ta)—on the magnetic properties of As-capped (Ga,Mn)As epitaxial thin films has been investigated. The dependence of the transition temperature (TC) on ta marks out two regions. The TC peak behavior, characteristic of the first region, is more pronounced for thick samples, while for the second ("saturated") region the effect of ta is more pronounced for thin samples. A right choice of the passivation medium, growth conditions along with optimal annealing parameters routinely yield TC-values of ~150 K and above, regardless of the thickness of the epilayers
Authors
V. Stanciu
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O. Wilhelmsson
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Ulf Bexell
Högskolan Dalarna; Materialvetenskap
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M. Adell
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J. Sadowski
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J. Kanski
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P. Warnicke
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P. Svedlindh
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identifier: oai:dalea.du.se:2683
datestamp: 2021-04-15T12:55:13Z
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http://urn.kb.se/resolve?urn=urn:nbn:se:du-2683
10.1103/PhysRevB.72.125324
titleInfo:
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lang: eng
title: Influence of annealing parameters on the ferromagnetic properties of optimally passivated (GaMn)As epilayers
abstract: The influence of annealing parameters—temperature (Ta) and time (ta)—on the magnetic properties of As-capped (GaMn)As epitaxial thin films has been investigated. The dependence of the transition temperature (TC) on ta marks out two regions. The TC peak behavior characteristic of the first region is more pronounced for thick samples while for the second (\saturated\) region the effect of ta is more pronounced for thin samples. A right choice of the passivation medium growth conditions along with optimal annealing parameters routinely yield TC-values of ~150 K and above regardless of the thickness of the epilayers
subject:
@attributes:
lang: eng
authority: uka.se
topic:
Engineering and Technology
Materials Engineering
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authority: uka.se
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Teknik och teknologier
Materialteknik
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Published
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Stanciu
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Wilhelmsson
O.
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Bexell
Ulf
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Högskolan Dalarna
Materialvetenskap
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Adell
M.
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Sadowski
J.
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Kanski
J.
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dateIssued: 2005
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title: Physical Review B. Condensed Matter and Materials Physics
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1098-0121
1550-235X
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number: 72
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number: 125324
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