Disorder effects in electronic structure of substituted transition metal compounds
D. D. Sarma, A. Chainani, S. R. Krishnakumar, E. Vescovo, C. Carbonei, W. Eberhardt, O. Rader, Ch. Jung, Ch. Hellwig, W. Gudat, H. Srikanth, A. K. Raychaudhuri
Abstract
Investigating LaNi(1-x)M(x)O3 (M = Mn and Fe), we identify a characteristic evolution of the spectral function with increasing disorder in presence of strong interaction effects across the metal-insulator transition. We discuss these results vis-a-vis existing theories of electronic structure in simultaneous presence of disorder and interaction.
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