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Eu valence changes by the interplay of chemical potential, disorder and pressure: a joint theoretical and experimental study of EuPd3Bx and Eu1-xLaxPd3

MPG-Autoren
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Schmitt,  M.
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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Schwarz,  U.
Ulrich Schwarz, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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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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Zitation

Schmitt, M., Gumeniuk, R., Leithe-Jasper, A., Schwarz, U., Rosner, H., & Trapananti, A. (2011). Eu valence changes by the interplay of chemical potential, disorder and pressure: a joint theoretical and experimental study of EuPd3Bx and Eu1-xLaxPd3. Diffusion and Defect Data Part B (Solid State Phenomena), 170: S-03-P-75, pp. 465-465.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0015-224B-8
Zusammenfassung
Ab-initio band structure calculations for EuPd 3B x combined with XRD and XAS measurements for different B contents as well as under high pressure were conducted. The results obtained a subtle interplay between doping and volume effects on the valence instability, whereas the disorder is less relevant. With this calculational approach, a stable Eu 2+ valence in Eu 0.4La 0.6Pd 3 due to the La insertion was observed.