Growth and Characterization of Strained and Alloyed Type-II ZnTe/ZnSe Core-Shell Nanocrystals by Fairclough, S, Tyrrell, E, Graham, D, Lunt, P, Hardman, S, Pietzsch, A, Hennies, F, Moghal, J, Flavell, W, Watt, A, Smith, J