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arxiv: cond-mat/0105487 · v1 · submitted 2001-05-25 · ❄️ cond-mat.supr-con · cond-mat.str-el

Surface electronic structure of Sr2RuO4

K.M. Shen , A. Damascelli , D.H. Lu , N.P. Armitage , F. Ronning , D.L. Feng , C. Kim , Z.-X. Shen (Stanford University)
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D.J. Singh I.I. Mazin (Naval Research Laboratory) S. Nakatsuji Z.Q. Mao Y. Maeno (Kyoto University) T. Kimura Y. Tokura (University of Tokyo)
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classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords surfacearpeselectronicsr2ruo4statesstructureaddressedangle-resolved
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We have addressed the possibility of surface ferromagnetism in Sr2RuO4 by investigating its surface electronic states by angle-resolved photoemission spectroscopy (ARPES). By cleaving samples under different conditions and using various photon energies, we have isolated the surface from the bulk states. A comparison with band structure calculations indicates that the ARPES data are most readily explained by a nonmagnetic surface reconstruction.

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