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Magnetic Properties of bcc-Fe(001)/C-60 Interfaces for Organic Spintronics

Tran, T. Lan Anh ; Cakir, Deniz ; Wong, P. K. Johnny ; Preobrajenski, Alexei LU ; Brocks, Geert ; van der Wiel, Wilfred G. and de Jong, Michel P. (2013) In ACS Applied Materials and Interfaces 5(3). p.837-841
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... (More)
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. (Less)
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
metal-organic interfaces, spintronics, X-ray absorption spectroscopy, X-ray magnetic circular dichroism, first-principles calculations, density functional theory
in
ACS Applied Materials and Interfaces
volume
5
issue
3
pages
837 - 841
publisher
The American Chemical Society (ACS)
external identifiers
  • wos:000315079700050
  • scopus:84873669497
  • pmid:23305202
ISSN
1944-8244
DOI
10.1021/am3024367
language
English
LU publication?
yes
id
947cf9e1-27df-4bc4-9a7c-a843975ff3f9 (old id 3671709)
date added to LUP
2016-04-01 11:03:49
date last changed
2022-03-12 19:30:55
@article{947cf9e1-27df-4bc4-9a7c-a843975ff3f9,
  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.}},
  author       = {{Tran, T. Lan Anh and Cakir, Deniz and Wong, P. K. Johnny and Preobrajenski, Alexei and Brocks, Geert and van der Wiel, Wilfred G. and de Jong, Michel P.}},
  issn         = {{1944-8244}},
  keywords     = {{metal-organic interfaces; spintronics; X-ray absorption spectroscopy; X-ray magnetic circular dichroism; first-principles calculations; density functional theory}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{837--841}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{ACS Applied Materials and Interfaces}},
  title        = {{Magnetic Properties of bcc-Fe(001)/C-60 Interfaces for Organic Spintronics}},
  url          = {{http://dx.doi.org/10.1021/am3024367}},
  doi          = {{10.1021/am3024367}},
  volume       = {{5}},
  year         = {{2013}},
}