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Dou, K .P. and Fan, W. and Niehaus, Thomas A. and Frauenheim, T. and Wang, C. L. and Zhang, X. H. and Zhang, R. Q. (2011) Electron Transport Suppression from Tip−π State Interaction on Si(100)-2 × 1 Surfaces. J. Chem. Theory Comput. 7, p. 707.