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  Exploring small energy scales with x-ray absorption and dichroism

Praetorius, C., Zinner, M., Hansmann, P., Haverkort, M. W., & Fauth, K. (2016). Exploring small energy scales with x-ray absorption and dichroism. Physical Review B, 93(16): 165107, pp. 1-5. doi:10.1103/PhysRevB.93.165107.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-52F4-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-9409-9
Genre: Journal Article

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 Creators:
Praetorius, C.1, Author
Zinner, M.1, Author
Hansmann, P.1, Author
Haverkort, M. W.2, Author              
Fauth, K.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Maurits Haverkort, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863455              

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 Abstract: Soft x-ray linear and circular dichroism (XLD, XMCD) experiments at the Ce M-4,M-5 edges are being used to determine the energy scales characterizing the Ce 4f degrees of freedom in the ultrathin ordered surface intermetallic CeAgx/Ag(111). We find that all relevant interactions, i.e., Kondo scattering, crystal field splitting and magnetic exchange coupling occur on small scales. Our study demonstrates the usefulness of combining x-ray absorption experiments probing the temperature dependence of both linear and circular dichroism owing to their strong sensitivity for anisotropies in both charge distribution and paramagnetic response, respectively.

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Language(s): eng - English
 Dates: 2016-04-06
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 93 (16) Sequence Number: 165107 Start / End Page: 1 - 5 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008