Electronic structure of MnSi: The role of electron-electron interactions

F. Carbone, M. Zangrando, Alexander Brinkman, A. Nicolaou, F. Bondino, E. Magnano, A.A. Nugroho, F. Parmigiani, Th. Jarlborg, D. van der Marel

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30 Citations (Scopus)
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We present an experimental study of the electronic structure of MnSi. Using x-ray absorption spectroscopy (XAS), x-ray photoemission, and x-ray fluorescence, we provide experimental evidence that MnSi has a mixed valence ground state. We show that self-consistent local density approximation supercell calculations cannot replicate the XAS spectra of MnSi, while a good match is achieved within the atomic multiplet theory assuming a mixed valence ground state. We discuss the role of the electron-electron interactions in this compound and estimate that the valence fluctuations are suppressed by a factor of 2.5, which means that the Coulomb repulsion is not negligible
Original languageEnglish
Pages (from-to)085114-
JournalPhysical review B: Condensed matter and materials physics
Issue number8
Publication statusPublished - 2006


  • IR-74260
  • METIS-233371


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