Bridging Charge-Orbital Ordering and Fermi Surface Instabilities in Half-Doped Single-Layered Manganite La0.5Sr1.5MnO4

D. V. Evtushinsky, D. S. Inosov, G. Urbanik, V. B. Zabolotnyy, R. Schuster, P. Sass, T. Hänke, C. Hess, B. Büchner, R. Follath, P. Reutler, A. Revcolevschi, A. A. Kordyuk, and S. V. Borisenko
Phys. Rev. Lett. 105, 147201 – Published 28 September 2010
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Abstract

The single-layered half-doped manganite La0.5Sr1.5MnO4 (LSMO), was studied by means of the angle-resolved photoemission spectroscopy (ARPES), scanning tunneling microscopy (STM), and resistivity measurements. STM revealed a smooth reconstruction-free surface; the density of states, extracted from photoemission and tunneling spectroscopy, is in agreement with transport measurements. The derived from ARPES Fermi surface (FS) nesting properties correspond to the known pattern of the charge-orbital ordering (COO), which implies that FS instability is related to the propensity to form a COO state in LSMO.

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  • Received 2 December 2008

DOI:https://doi.org/10.1103/PhysRevLett.105.147201

© 2010 The American Physical Society

Authors & Affiliations

D. V. Evtushinsky1, D. S. Inosov1,2, G. Urbanik1,3, V. B. Zabolotnyy1, R. Schuster1, P. Sass1, T. Hänke1, C. Hess1, B. Büchner1, R. Follath4, P. Reutler5, A. Revcolevschi5, A. A. Kordyuk1,6, and S. V. Borisenko1

  • 1Institute for Solid State Research, IFW Dresden, Post Office Box 270116, D-01171 Dresden, Germany
  • 2Max-Planck-Institute for Solid State Research, Heisenbergstrasse 1, D-70569 Stuttgart, Germany
  • 3Institute of Experimental Physics, University of Wroclaw, pl. Maxa Borna 9, 50-204 Wroclaw, Poland
  • 4BESSY GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
  • 5Laboratoire de Physico-Chimie de l’Etat Solide, Université Paris-Sud XI, 91405 Orsay Cédex, France
  • 6Institute of Metal Physics of National Academy of Sciences of Ukraine, 03142 Kyiv, Ukraine

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Issue

Vol. 105, Iss. 14 — 1 October 2010

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