High-temperature coulometric titration of La1-xSrxCoO3-δ : Evidence for the effect of electronic band structure on nonstoichiometry behavior

@article{Lankhorst1997HightemperatureCT,
  title={High-temperature coulometric titration of La1-xSrxCoO3-δ : Evidence for the effect of electronic band structure on nonstoichiometry behavior},
  author={M.H.R. Lankhorst and H. J. Bouwmeester and H. Verweij},
  journal={IEEE Journal of Solid-state Circuits},
  year={1997},
  volume={133},
  pages={555-567}
}
  • M.H.R. Lankhorst, H. J. Bouwmeester, H. Verweij
  • Published 1997
  • Chemistry
  • IEEE Journal of Solid-state Circuits
  • The equilibrium oxygen chemical potential and the partial energy and entropy of O2in perovskites La1−xSrxCoO3−δwere measured as a function ofδandxby high-temperature oxygen coulometric titration. An almost linear decrease in the oxygen chemical potential is observed with increasing net electron concentration 2δ−x. The observed behavior is interpreted to reflect the corresponding increase in the Fermi level on filling up states in a broad electron band with electrons induced by vacancy formation… CONTINUE READING
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