Resonant photoemission study of superconducting Y-Ba-Cu-O

Ultraviolet photoelectron spectra of a 93-K superconducting compound, YBa/sub 2/Cu/sub 3/O/sub 7/ have been obtained using photon energies ranging from 60 to 106 eV. Resonant photoemission is used to identify the chemical origin of the features in the valence-band electronic structure.

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Bibliographische Detailangaben
Veröffentlicht in:	Phys. Rev. B: Condens. Matter; (United States) 1987-06, Vol.35 (16), p.8818-8820
Hauptverfasser:	KURTZ, R. L, STOCKBAUER, R. L, MUELLER, D, SHIH, A, TOTH, L. E, OSOFSKY, M, WOLF, S. A
Format:	Artikel
Sprache:	eng
Schlagworte:	360204 - Ceramics, Cermets, & Refractories- Physical Properties 656100 - Condensed Matter Physics- Superconductivity ALKALINE EARTH METAL COMPOUNDS BARIUM COMPOUNDS BARIUM OXIDES CHALCOGENIDES CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Condensed matter: electronic structure, electrical, magnetic, and optical properties COPPER COMPOUNDS COPPER OXIDES ELECTRIC CONDUCTIVITY ELECTRICAL PROPERTIES ELECTROMAGNETIC RADIATION ELECTRONIC STRUCTURE EMISSION Exact sciences and technology MATERIALS SCIENCE OXIDES OXYGEN COMPOUNDS PHOTOEMISSION PHYSICAL PROPERTIES Physics Properties of type I and type II superconductors RADIATIONS SECONDARY EMISSION SUPERCONDUCTIVITY SUPERCONDUCTORS TRANSITION ELEMENT COMPOUNDS ULTRAVIOLET RADIATION YTTRIUM COMPOUNDS YTTRIUM OXIDES
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Beschreibung
Zusammenfassung:	Ultraviolet photoelectron spectra of a 93-K superconducting compound, YBa/sub 2/Cu/sub 3/O/sub 7/ have been obtained using photon energies ranging from 60 to 106 eV. Resonant photoemission is used to identify the chemical origin of the features in the valence-band electronic structure.
ISSN:	0163-1829 1095-3795
DOI:	10.1103/physrevb.35.8818