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Bond versus charge disproportionation in the bismuth perovskites
Arash Khazraie, Kateryna Foyevtsova, Ilya Elfimov +1
We develop a theory describing a parameter based phase diagram to be associated with materials incorporating skipped valence ions\cite{Varma}. We use a recently developed tight-bin…
Heat localization through reduced dimensionality
Mike Chang, Harrison D. E. Fan, Mokter M. Chowdhury +2
We present a model to show that heat propagation away from a local source depends strongly on dimensionality, leading to dramatic localization in low-dimensional systems. An exampl…
Oxygen holes and hybridization in the bismuthates
Arash Khazraie, Kateryna Foyevtsova, Ilya Elfimov +1
Motivated by the recently renewed interest in the superconducting bismuth perovskites, we investigate the electronic structure of the parent compounds ABiO (A= Sr, Ba) using…