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Tuning the spin state of iron phthalocyanine by ligand adsorption

Isvoranu, Cristina LU ; Wang, B. ; Schulte, Karina LU ; Ataman, Evren LU ; Knudsen, Jan LU ; Andersen, Jesper N LU ; Bocquet, M. L. and Schnadt, Joachim LU orcid (2010) In Journal of Physics: Condensed Matter 22(47).
Abstract
The future use of single-molecule magnets in applications will require the ability to control and manipulate the spin state and magnetization of the magnets by external means. There are different approaches to this control, one being the modification of the magnets by adsorption of small ligand molecules. In this paper we use iron phthalocyanine supported by an Au(111) surface as a model compound and demonstrate, using x-ray photoelectron spectroscopy and density functional theory, that the spin state of the molecule can be tuned to different values (S similar to 0, 1/2, 1) by adsorption of ammonia, pyridine, carbon monoxide or nitric oxide on the iron ion. The interaction also leads to electronic decoupling of the iron phthalocyanine from... (More)
The future use of single-molecule magnets in applications will require the ability to control and manipulate the spin state and magnetization of the magnets by external means. There are different approaches to this control, one being the modification of the magnets by adsorption of small ligand molecules. In this paper we use iron phthalocyanine supported by an Au(111) surface as a model compound and demonstrate, using x-ray photoelectron spectroscopy and density functional theory, that the spin state of the molecule can be tuned to different values (S similar to 0, 1/2, 1) by adsorption of ammonia, pyridine, carbon monoxide or nitric oxide on the iron ion. The interaction also leads to electronic decoupling of the iron phthalocyanine from the Au(111) support. (Less)
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physics: Condensed Matter
volume
22
issue
47
article number
472002
publisher
IOP Publishing
external identifiers
  • wos:000284264800015
  • scopus:78649858686
ISSN
1361-648X
DOI
10.1088/0953-8984/22/47/472002
language
English
LU publication?
yes
id
ad71adec-fce0-4f9f-96dc-daf7d5606816 (old id 1753174)
date added to LUP
2016-04-01 13:55:29
date last changed
2023-09-03 07:06:24
@article{ad71adec-fce0-4f9f-96dc-daf7d5606816,
  abstract     = {{The future use of single-molecule magnets in applications will require the ability to control and manipulate the spin state and magnetization of the magnets by external means. There are different approaches to this control, one being the modification of the magnets by adsorption of small ligand molecules. In this paper we use iron phthalocyanine supported by an Au(111) surface as a model compound and demonstrate, using x-ray photoelectron spectroscopy and density functional theory, that the spin state of the molecule can be tuned to different values (S similar to 0, 1/2, 1) by adsorption of ammonia, pyridine, carbon monoxide or nitric oxide on the iron ion. The interaction also leads to electronic decoupling of the iron phthalocyanine from the Au(111) support.}},
  author       = {{Isvoranu, Cristina and Wang, B. and Schulte, Karina and Ataman, Evren and Knudsen, Jan and Andersen, Jesper N and Bocquet, M. L. and Schnadt, Joachim}},
  issn         = {{1361-648X}},
  language     = {{eng}},
  number       = {{47}},
  publisher    = {{IOP Publishing}},
  series       = {{Journal of Physics: Condensed Matter}},
  title        = {{Tuning the spin state of iron phthalocyanine by ligand adsorption}},
  url          = {{http://dx.doi.org/10.1088/0953-8984/22/47/472002}},
  doi          = {{10.1088/0953-8984/22/47/472002}},
  volume       = {{22}},
  year         = {{2010}},
}