Electronic Excitations in Undoped and Lightly Oxygen Doped La2CuO4+y View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

1994

AUTHORS

J. P. Falck , J. D. Perkins , A. Levy , M. A. Kastner , J. M. Graybeal , R. J. Birgeneau

ABSTRACT

The electronic excitations from 0.1 to 2.5 eV in pure and lightly oxygen doped single-crystal La2CuO4+y are studied by means of polarization and temperature dependent reflectivity and transmission measurements. We discuss the current understanding of these excitations. In particular, we demonstrate that both extended and localized holes interact with optical phonon modes and form large polarons. Moreover, in undoped La2CuO4 we show the existence of weakly electric dipole allowed excitons with multimagnon sidebands. More... »

PAGES

304-318

Book

TITLE

Phase Separation in Cuprate Superconductors

ISBN

978-3-642-78807-9
978-3-642-78805-5

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-642-78805-5_22

DOI

http://dx.doi.org/10.1007/978-3-642-78805-5_22

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1023511319


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