Local investigation of electronic structure modulation in BaPbxBi1-xO3 via highly spatially resolved low-loss electron energy loss spectroscopy.

A. Gutierrez-Sosa, U. Bangert, W. R. Flavell

    Research output: Contribution to journalArticlepeer-review

    Abstract

    BaPb1-xBixO3 (BPBO) samples with x = 1, 0.25 and 0.5 have been studied using highly spatially resolved electron energy loss spectroscopy in the low loss energy range and energy dispersive X-ray (EDX) anal. We have been able to identify crystallog. orientations and discover great inhomogeneities even within nanometer distances. We show the modulation of local electronic structure with local compn. in BPBO phases with different nominal x. This enables us also to demonstrate the evolution of the metal-semiconductor transition as a function of x. [on SciFinder (R)]
    Original languageEnglish
    JournalInstitute of Physics Conference Series
    Volume180
    Publication statusPublished - 2003

    Keywords

    • Crystal orientation; Density of states; Electron beams; Electron energy loss spectroscopy; Microstructure (local investigation of electronic structure modulation in BaPbxBi1-xO3 via highly spatially resolved low-loss electron energy loss spectroscopy)

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