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Proximity-induced ferromagnetism in graphene revealed by anomalous Hall effect

We demonstrate the anomalous Hall effect (AHE) in single-layer graphene exchange-coupled to an atomically flat yttrium iron garnet (YIG) ferromagnetic thin film. The anomalous Hall conductance has magnitude of ~0.09(2e2/h) at low temperatures and is measurable up to ~ 300 K. Our observations indicat... Full description

Journal Title: arXiv.org Dec 3, 2014
Main Author: Wang, Zhiyong
Other Authors: Tang, Chi , Sachs, Raymond , Barlas, Yafis , Shi, Jing
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: DOI: 10.1103/PhysRevLett.114.016603
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recordid: proquest2083084883
title: Proximity-induced ferromagnetism in graphene revealed by anomalous Hall effect
format: Article
creator:
  • Wang, Zhiyong
  • Tang, Chi
  • Sachs, Raymond
  • Barlas, Yafis
  • Shi, Jing
subjects:
  • Magnetism
  • Electromagnetism
  • Ferromagnetic Materials
  • Spintronics
  • Graphene
  • Exchanging
  • Yttrium-Iron Garnet
  • Yttrium
  • Transport Phenomena
  • Resistance
  • Spin-Orbit Interactions
  • Hall Effect
  • Proximity
  • Thin Films
ispartof: arXiv.org, Dec 3, 2014
description: We demonstrate the anomalous Hall effect (AHE) in single-layer graphene exchange-coupled to an atomically flat yttrium iron garnet (YIG) ferromagnetic thin film. The anomalous Hall conductance has magnitude of ~0.09(2e2/h) at low temperatures and is measurable up to ~ 300 K. Our observations indicate not only proximity-induced ferromagnetism in graphene/YIG with large exchange interaction, but also enhanced spin-orbit coupling which is believed to be inherently weak in ideal graphene. The proximity-induced ferromagnetic order in graphene can lead to novel transport phenomena such as the quantized AHE which are potentially useful for spintronics.
language: eng
source:
identifier: DOI: 10.1103/PhysRevLett.114.016603
fulltext: fulltext_linktorsrc
url: Link


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titleProximity-induced ferromagnetism in graphene revealed by anomalous Hall effect
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ispartofarXiv.org, Dec 3, 2014
identifierDOI: 10.1103/PhysRevLett.114.016603
subjectMagnetism ; Electromagnetism ; Ferromagnetic Materials ; Spintronics ; Graphene ; Exchanging ; Yttrium-Iron Garnet ; Yttrium ; Transport Phenomena ; Resistance ; Spin-Orbit Interactions ; Hall Effect ; Proximity ; Thin Films
descriptionWe demonstrate the anomalous Hall effect (AHE) in single-layer graphene exchange-coupled to an atomically flat yttrium iron garnet (YIG) ferromagnetic thin film. The anomalous Hall conductance has magnitude of ~0.09(2e2/h) at low temperatures and is measurable up to ~ 300 K. Our observations indicate not only proximity-induced ferromagnetism in graphene/YIG with large exchange interaction, but also enhanced spin-orbit coupling which is believed to be inherently weak in ideal graphene. The proximity-induced ferromagnetic order in graphene can lead to novel transport phenomena such as the quantized AHE which are potentially useful for spintronics.
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descriptionWe demonstrate the anomalous Hall effect (AHE) in single-layer graphene exchange-coupled to an atomically flat yttrium iron garnet (YIG) ferromagnetic thin film. The anomalous Hall conductance has magnitude of ~0.09(2e2/h) at low temperatures and is measurable up to ~ 300 K. Our observations indicate not only proximity-induced ferromagnetism in graphene/YIG with large exchange interaction, but also enhanced spin-orbit coupling which is believed to be inherently weak in ideal graphene. The proximity-induced ferromagnetic order in graphene can lead to novel transport phenomena such as the quantized AHE which are potentially useful for spintronics.
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abstractWe demonstrate the anomalous Hall effect (AHE) in single-layer graphene exchange-coupled to an atomically flat yttrium iron garnet (YIG) ferromagnetic thin film. The anomalous Hall conductance has magnitude of ~0.09(2e2/h) at low temperatures and is measurable up to ~ 300 K. Our observations indicate not only proximity-induced ferromagnetism in graphene/YIG with large exchange interaction, but also enhanced spin-orbit coupling which is believed to be inherently weak in ideal graphene. The proximity-induced ferromagnetic order in graphene can lead to novel transport phenomena such as the quantized AHE which are potentially useful for spintronics.
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pubCornell University Library, arXiv.org
doi10.1103/PhysRevLett.114.016603
urlhttp://search.proquest.com/docview/2083084883/
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volume114
pages016603
issn00319007
eissn10797114
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date2014-12-03