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

Rosner, H.; Gegner, J.; Regesch, D.; Schnelle, W.; Gumeniuk, R.; Leithe-Jasper, A.; Fujiwara, H.; Haupricht, T.; Koethe, T. C.; Hsieh, H.-H.; Lin, H.-J.; Chen, C. T.; Ormeci, A.; Grin, Y.; Tjeng, L. H.

doi:10.1103/PhysRevB.80.075114

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

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

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

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

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

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

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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: https://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).