Direct Observation of Electrostatically Driven Band Gap Renormalization in a Degenerate Perovskite Transparent Conducting Oxide

We have directly measured the band gap renormalization associated with the Moss-Burstein shift in the perovskite transparent conducting oxide (TCO), La-doped BaSnO_{3}, using hard x-ray photoelectron spectroscopy. We determine that the band gap renormalization is almost entirely associated with the...

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Bibliographic Details
Published in:Physical review letters 2016-01, Vol.116 (2), p.027602, Article 027602
Main Authors: Lebens-Higgins, Z., Scanlon, D. O., Paik, H., Sallis, S., Nie, Y., Uchida, M., Quackenbush, N. F., Wahila, M. J., Sterbinsky, G. E., Arena, Dario A., Woicik, J. C., Schlom, D. G., Piper, L. F. J.
Format: Article
Language:English
Subjects:
Band spectra
Barium stannate
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Conduction
Density functional theory
Evolution
Mathematical analysis
Oxides
Perovskites
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