Probing interfacial electronic structures in atomic layer LaMnO3 and SrTiO3 superlattices

  • Shah A
  • Ramasse Q
  • Zhai X
 et al. 
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Abstract

The interfacial electronic structure characterization of a mx(LaMnO3)/nx(SrTiO3) superlattice based on scanning transmission electron microscopy and electron energy loss spectroscopy. Evidence of interfacial band alignment and electron transfer are presented based on the observation of O K edge of individual transition metal and oxygen atomic columns. Electron probe aberration correction was essential for the high spatial resolution mapping of interfacial electronic states.

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Authors

  • Amish B. Shah

  • Quentin M. Ramasse

  • Xiaofang Zhai

  • Jian Guo Wen

  • Steve J. May

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