Modification of the van der Waals interaction at the Bi2Te3 and Ge(111) interface by Nawa, K, Kepaptsoglou, D, Ghasemi, A, Hasnip, P, Bárcena-González, G, Nicotra, G, Galindo, PL, Ramasse, QM, Nakamura, K, Kuerbanjiang, B, Hesjedal, T, Lazarov, V