Strain and high temperature superconductivity: unexpected results from direct electronic structure measurements in thin films

Angle-resolved photoemission spectroscopy reveals very surprising strain-induced effects on the electronic band dispersion of epitaxial La(2-x)Sr(x)CuO(4-delta) thin films. In strained films we measure a band that crosses the Fermi level (E(F)) well before the Brillouin zone boundary. This is in con...

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Bibliographic Details
Published inPhysical review letters Vol. 91; no. 5; p. 057002
Main Authors Abrecht, M, Ariosa, D, Cloetta, D, Mitrovic, S, Onellion, M, Xi, X X, Margaritondo, G, Pavuna, D
Format Journal Article
LanguageEnglish
Published United States 01.08.2003
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