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Exposure of [MnIII6CrIII]3+ single-molecule magnets to soft X-rays : the effect of the counterions on radiation stability

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2012

Autor:innen

Helmstedt, Andreas
Sacher, Marc D.
Gryzia, Aaron
Harder, Alexander
Brechling, Armin
Müller, Norbert
Heinzmann, Ulrich
Hoeke, Veronika
Krickemeyer, Erich
Glaser, Thorsten

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Journal of Electron Spectroscopy and Related Phenomena. 2012, 184(11-12), pp. 583-588. ISSN 0368-2048. Available under: doi: 10.1016/j.elspec.2011.11.002

Zusammenfassung

X-ray absorption spectroscopy studies of the [MnIII6CrIII]3+ single-molecule magnet deposited as a microcrystalline layer on gold substrates are presented. The oxidation state of the manganese centers changes from MnIII to MnII due to irradiation with soft X-rays. The influence of the charge-neutralizing anions on the stability of [MnIII6CrIII]3+ against soft X-ray exposure is investigated for the different anions tetraphenylborate (BPh4−), lactate (C3H5O3−) and perchlorate (ClO4−). The exposure dependence of the radiation-induced reduction process is compared for [MnIII6CrIII]3+ with the three different anions.

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530 Physik

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XAS, absorption spectroscopy, reduction, Manganese, single-molecule magnet, SMM

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ISO 690HELMSTEDT, Andreas, Marc D. SACHER, Aaron GRYZIA, Alexander HARDER, Armin BRECHLING, Norbert MÜLLER, Ulrich HEINZMANN, Veronika HOEKE, Erich KRICKEMEYER, Thorsten GLASER, Samuel BOUVRON, Mikhail FONIN, 2012. Exposure of [MnIII6CrIII]3+ single-molecule magnets to soft X-rays : the effect of the counterions on radiation stability. In: Journal of Electron Spectroscopy and Related Phenomena. 2012, 184(11-12), pp. 583-588. ISSN 0368-2048. Available under: doi: 10.1016/j.elspec.2011.11.002
BibTex
@article{Helmstedt2012Expos-18020,
  year={2012},
  doi={10.1016/j.elspec.2011.11.002},
  title={Exposure of [MnIII6CrIII]3+ single-molecule magnets to soft X-rays : the effect of the counterions on radiation stability},
  number={11-12},
  volume={184},
  issn={0368-2048},
  journal={Journal of Electron Spectroscopy and Related Phenomena},
  pages={583--588},
  author={Helmstedt, Andreas and Sacher, Marc D. and Gryzia, Aaron and Harder, Alexander and Brechling, Armin and Müller, Norbert and Heinzmann, Ulrich and Hoeke, Veronika and Krickemeyer, Erich and Glaser, Thorsten and Bouvron, Samuel and Fonin, Mikhail}
}
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