Strain selection of charge and orbital ordering patterns in half-doped manganites
M. J. Calderon, A. J. Millis, K. H. Ahn
Abstract
Theoretical and computational results are presented clarifying the role of long-ranged strain interactions in determining the charge and orbital ordering in colossal magnetoresistance manganites. The strain energy contribution is found to be of order 20-30 meV/Mn and in particular stabilizes the anomalous 'zig-zag chain' order observed in many half-doped manganites.
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