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Electronic transport properties and orientation of individual Mn12 single-molecule magnets

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PRB78_155403_2008.pdf
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2008

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Voss, Sönke
Burgert, Michael

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-74291
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https://doi.org/10.1103/PhysRevB.78.155403
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Physical Review B. 2008, 78, 155403. Available under: doi: 10.1103/PhysRevB.78.155403

Zusammenfassung

Individual Mn12 single-molecule magnets have been investigated by means of scanning tunneling spectroscopy at room temperature. Current-voltage characteristics of a Mn12 derivative are studied in detail and compared with simulations. A few-parameter scalar model for ballistic current flow through a single energy level is sufficient to describe the main features observed in scanning tunneling spectra of individual Mn12 molecules and offers a deeper insight into the electronic transport properties of this class of single-molecule magnets. In addition, distance-voltage spectroscopy performed on individual Mn12 molecules reveals a possibility to identify the orientation of the molecular easy axis. The results indicate a preferential orientation of the easy axis of the molecules nearly perpendicular to the surface.

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530 Physik

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ISO 690VOSS, Sönke, Ole ZANDER, Mikhail FONIN, Ulrich RÜDIGER, Michael BURGERT, Ulrich GROTH, 2008. Electronic transport properties and orientation of individual Mn12 single-molecule magnets. In: Physical Review B. 2008, 78, 155403. Available under: doi: 10.1103/PhysRevB.78.155403
BibTex
@article{Voss2008Elect-5006,
  year={2008},
  doi={10.1103/PhysRevB.78.155403},
  title={Electronic transport properties and orientation of individual Mn12 single-molecule magnets},
  volume={78},
  journal={Physical Review B},
  author={Voss, Sönke and Zander, Ole and Fonin, Mikhail and Rüdiger, Ulrich and Burgert, Michael and Groth, Ulrich},
  note={Article Number: 155403}
}
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