Magnetic Properties of bcc-Fe(001)/C60 Interfaces for Organic Spintronics

T. Lan Ahn Tran, Deniz Cakir, P.K.J. Wong, A.B. Preobrajenski, Gerardus H.L.A. Brocks, Wilfred Gerard van der Wiel, Machiel Pieter de Jong

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Abstract

The magnetic structure of the interfaces between organic semiconductors and ferromagnetic contacts plays a key role in the spin injection and extraction processes in organic spintronic devices. We present a combined computational (density functional theory) and experimental (X-ray magnetic circular dichroism) study on the magnetic properties of interfaces between bcc-Fe(001) and C-60 molecules. C-60 is an interesting candidate for application in organic spintronics due to the absence of hydrogen atoms and the associated hyperfine fields. Adsorption of C-60 on Fe(001) reduces the magnetic moments on the top Fe layers by similar to 6%, while inducing an antiparrallel magnetic moment of similar to-0.2 mu(B) on C-60. Adsorption of C-60 on a model ferromagnetic substrate consisting of three Fe monolayers on W(001) leads to a different structure but to very similar interface magnetic properties.
Original languageUndefined
Pages (from-to)837-841
Number of pages5
JournalACS applied materials & interfaces
Volume5
Issue number3
DOIs
Publication statusPublished - 10 Jan 2013

Keywords

  • EWI-24405
  • IR-89201
  • METIS-298629

Cite this

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title = "Magnetic Properties of bcc-Fe(001)/C60 Interfaces for Organic Spintronics",
abstract = "The magnetic structure of the interfaces between organic semiconductors and ferromagnetic contacts plays a key role in the spin injection and extraction processes in organic spintronic devices. We present a combined computational (density functional theory) and experimental (X-ray magnetic circular dichroism) study on the magnetic properties of interfaces between bcc-Fe(001) and C-60 molecules. C-60 is an interesting candidate for application in organic spintronics due to the absence of hydrogen atoms and the associated hyperfine fields. Adsorption of C-60 on Fe(001) reduces the magnetic moments on the top Fe layers by similar to 6{\%}, while inducing an antiparrallel magnetic moment of similar to-0.2 mu(B) on C-60. Adsorption of C-60 on a model ferromagnetic substrate consisting of three Fe monolayers on W(001) leads to a different structure but to very similar interface magnetic properties.",
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author = "Tran, {T. Lan Ahn} and Deniz Cakir and P.K.J. Wong and A.B. Preobrajenski and Brocks, {Gerardus H.L.A.} and {van der Wiel}, {Wilfred Gerard} and {de Jong}, {Machiel Pieter}",
year = "2013",
month = "1",
day = "10",
doi = "10.1021/am3024367",
language = "Undefined",
volume = "5",
pages = "837--841",
journal = "ACS applied materials & interfaces",
issn = "1944-8244",
publisher = "American Chemical Society",
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Magnetic Properties of bcc-Fe(001)/C60 Interfaces for Organic Spintronics. / Tran, T. Lan Ahn; Cakir, Deniz; Wong, P.K.J.; Preobrajenski, A.B.; Brocks, Gerardus H.L.A.; van der Wiel, Wilfred Gerard; de Jong, Machiel Pieter.

In: ACS applied materials & interfaces, Vol. 5, No. 3, 10.01.2013, p. 837-841.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Magnetic Properties of bcc-Fe(001)/C60 Interfaces for Organic Spintronics

AU - Tran, T. Lan Ahn

AU - Cakir, Deniz

AU - Wong, P.K.J.

AU - Preobrajenski, A.B.

AU - Brocks, Gerardus H.L.A.

AU - van der Wiel, Wilfred Gerard

AU - de Jong, Machiel Pieter

PY - 2013/1/10

Y1 - 2013/1/10

N2 - The magnetic structure of the interfaces between organic semiconductors and ferromagnetic contacts plays a key role in the spin injection and extraction processes in organic spintronic devices. We present a combined computational (density functional theory) and experimental (X-ray magnetic circular dichroism) study on the magnetic properties of interfaces between bcc-Fe(001) and C-60 molecules. C-60 is an interesting candidate for application in organic spintronics due to the absence of hydrogen atoms and the associated hyperfine fields. Adsorption of C-60 on Fe(001) reduces the magnetic moments on the top Fe layers by similar to 6%, while inducing an antiparrallel magnetic moment of similar to-0.2 mu(B) on C-60. Adsorption of C-60 on a model ferromagnetic substrate consisting of three Fe monolayers on W(001) leads to a different structure but to very similar interface magnetic properties.

AB - The magnetic structure of the interfaces between organic semiconductors and ferromagnetic contacts plays a key role in the spin injection and extraction processes in organic spintronic devices. We present a combined computational (density functional theory) and experimental (X-ray magnetic circular dichroism) study on the magnetic properties of interfaces between bcc-Fe(001) and C-60 molecules. C-60 is an interesting candidate for application in organic spintronics due to the absence of hydrogen atoms and the associated hyperfine fields. Adsorption of C-60 on Fe(001) reduces the magnetic moments on the top Fe layers by similar to 6%, while inducing an antiparrallel magnetic moment of similar to-0.2 mu(B) on C-60. Adsorption of C-60 on a model ferromagnetic substrate consisting of three Fe monolayers on W(001) leads to a different structure but to very similar interface magnetic properties.

KW - EWI-24405

KW - IR-89201

KW - METIS-298629

U2 - 10.1021/am3024367

DO - 10.1021/am3024367

M3 - Article

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SP - 837

EP - 841

JO - ACS applied materials & interfaces

JF - ACS applied materials & interfaces

SN - 1944-8244

IS - 3

ER -