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Electronic structure of SrPt4Ge12: Combined photoelectron spectroscopy and band structure study

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons126819

Rosner,  H.
Helge Rosner, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126838

Schnelle,  W.
Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126632

Gumeniuk,  R.
Roman Gumeniuk, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126726

Leithe-Jasper,  A.
Andreas Leithe-Jasper, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126787

Ormeci,  A.
Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126626

Grin,  Y.
Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Rosner, H., Gegner, J., Regesch, D., Schnelle, W., Gumeniuk, R., Leithe-Jasper, A., et al. (2009). Electronic structure of SrPt4Ge12: Combined photoelectron spectroscopy and band structure study. Physical Review B, 80: 075114, pp. 1-5. doi:10.1103/PhysRevB.80.075114.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0015-2660-3
Abstract
We present a combined study of the electronic structure of the superconducting skutterudite derivative SrPt4Ge12 by means of x-ray photoelectron spectroscopy and full-potential band structure calculations including an analysis of the chemical bonding. We establish that the states at the Fermi level originate predominantly from the Ge 4p electrons and that the Pt 5d shell is effectively full. We find excellent agreement between the measured and the calculated valence-band spectra, thereby validating that band structure calculations in combination with photoelectron spectroscopy can provide a solid basis for the modeling of superconductivity in the compound series MPt4Ge12 (M=Sr,Ba,La,Pr).