Coordination-driven magnetic-to-nonmagnetic transition in manganese-doped silicon clusters

V. Zamudio-Bayer, L. Leppert, K. Hirsch, A. Langenberg, J. Rittmann, M. Kossick, M. Vogel, R. Richter, Akira Terasaki, T. Möller, B. V. Issendorff, S. Kümmel, J. T. Lau

Research output: Contribution to journalArticle

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Abstract

The interaction of a single manganese impurity with silicon is analyzed in a combined experimental and theoretical study of the electronic, magnetic, and structural properties of manganese-doped silicon clusters. The structural transition from exohedral to endohedral doping coincides with 3d electron delocalization and a quenching of high-spin states. For all geometric structures investigated, we find a correlation of the magnetic moment with the manganese coordination number and nearest-neighbor distance. This observation can be generalized to manganese point defects in bulk silicon, whose magnetic moments fall within the observed magnetic-to-nonmagnetic transition, and therefore react very sensitively to changes in the local geometry. The results indicate that high-spin states in manganese-doped silicon could be stabilized by an appropriate lattice expansion.

Original languageEnglish
Article number115425
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume88
Issue number11
DOIs
Publication statusPublished - Sep 19 2013

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Silicon
Manganese
manganese
silicon
Magnetic moments
magnetic moments
Point defects
coordination number
Electronic properties
point defects
Structural properties
Quenching
Magnetic properties
quenching
Doping (additives)
Impurities
magnetic properties
impurities
expansion
Geometry

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Zamudio-Bayer, V., Leppert, L., Hirsch, K., Langenberg, A., Rittmann, J., Kossick, M., ... Lau, J. T. (2013). Coordination-driven magnetic-to-nonmagnetic transition in manganese-doped silicon clusters. Physical Review B - Condensed Matter and Materials Physics, 88(11), [115425]. https://doi.org/10.1103/PhysRevB.88.115425

Coordination-driven magnetic-to-nonmagnetic transition in manganese-doped silicon clusters. / Zamudio-Bayer, V.; Leppert, L.; Hirsch, K.; Langenberg, A.; Rittmann, J.; Kossick, M.; Vogel, M.; Richter, R.; Terasaki, Akira; Möller, T.; V. Issendorff, B.; Kümmel, S.; Lau, J. T.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 88, No. 11, 115425, 19.09.2013.

Research output: Contribution to journalArticle

Zamudio-Bayer, V, Leppert, L, Hirsch, K, Langenberg, A, Rittmann, J, Kossick, M, Vogel, M, Richter, R, Terasaki, A, Möller, T, V. Issendorff, B, Kümmel, S & Lau, JT 2013, 'Coordination-driven magnetic-to-nonmagnetic transition in manganese-doped silicon clusters', Physical Review B - Condensed Matter and Materials Physics, vol. 88, no. 11, 115425. https://doi.org/10.1103/PhysRevB.88.115425
Zamudio-Bayer, V. ; Leppert, L. ; Hirsch, K. ; Langenberg, A. ; Rittmann, J. ; Kossick, M. ; Vogel, M. ; Richter, R. ; Terasaki, Akira ; Möller, T. ; V. Issendorff, B. ; Kümmel, S. ; Lau, J. T. / Coordination-driven magnetic-to-nonmagnetic transition in manganese-doped silicon clusters. In: Physical Review B - Condensed Matter and Materials Physics. 2013 ; Vol. 88, No. 11.
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