Disorder Effects in Electronic Structure of Substituted Transition Metal Compounds

D. D. Sarma, A. Chainani, S. R. Krishnakumar, E. Vescovo, C. Carbone, W. Eberhardt, O. Rader, Ch. Jung, Ch. Hellwig, W. Gudat, H. Srikanth, and A. K. Raychaudhuri
Phys. Rev. Lett. 80, 4004 – Published 4 May 1998
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Abstract

Investigating LaNi1xMxO3 ( M=Mn and Fe), we identify a characteristic evolution of the spectral function with increasing disorder in the presence of strong interaction effects across the metal-insulator transition. We discuss these results vis-à-vis existing theories of electronic structure in the simultaneous presence of disorder and interaction.

  • Received 9 January 1998

DOI:https://doi.org/10.1103/PhysRevLett.80.4004

©1998 American Physical Society

Authors & Affiliations

D. D. Sarma*, A. Chainani, and S. R. Krishnakumar

  • Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560 012, India

E. Vescovo, C. Carbone, and W. Eberhardt

  • Institut für Festkörperforschung, Forschungszentrum Jülich, D-52425 Jülich, Germany

O. Rader, Ch. Jung, Ch. Hellwig, and W. Gudat

  • BESSY, Lentzeallee 100, D-14195 Berlin, Germany

H. Srikanth and A. K. Raychaudhuri

  • Department of Physics, Indian Institute of Science, Bangalore 560 012, India

  • *Also at Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India. Electronic address: sarma@sscu.iisc.ernet.in
  • Permanent address: Institute for Plasma Research, Gandhinagar 382 428, India.

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Vol. 80, Iss. 18 — 4 May 1998

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