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  Spin Polarization of the Split Kondo State

von Bergmann, K., Ternes, M., Loth, S., Lutz, C. P., & Heinrich, A. J. (2015). Spin Polarization of the Split Kondo State. Physical Review Letters, 114(7): 076601. doi:10.1103/PhysRevLett.114.076601.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0025-0B6E-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-5943-E
Genre: Journal Article

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PhysRevLett.114.076601.pdf (Publisher version), 443KB
 
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 Creators:
von Bergmann, Kirsten, Author
Ternes, Markus, Author
Loth, Sebastian1, Author              
Lutz, Christopher P., Author
Heinrich, Andreas J., Author
Affiliations:
1Dynamics of Nanoelectronic Systems, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938290              

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Free keywords: PACS numbers: 72.15.Qm, 68.37.Ef
 Abstract: Spin-resolved scanning tunneling microscopy is employed to quantitatively determine the spin polarization of the magnetic field-split Kondo state. Tunneling conductance spectra of a Kondo-screened magnetic atom are evaluated within a simple model taking into account inelastic tunneling due to spin excitations and two Kondo peaks positioned symmetrically around the Fermi energy. We fit the spin state of the Kondo-screened atom with a spin Hamiltonian independent of the Kondo effect and account for Zeeman splitting of the Kondo peak in the magnetic field. We find that the width and the height of the Kondo peaks scales with the Zeeman energy. Our observations are consistent with full spin polarization of the Kondo peaks, i.e., a majority spin peak below the Fermi energy and a minority spin peak above.

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Language(s): eng - English
 Dates: 2014-10-302015-02-102015-02-10
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.114.076601
arXiv: 1410.8767
 Degree: -

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 114 (7) Sequence Number: 076601 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1