Double hexagonal close-packed structure revealed in a single colloidal crystal grain by Bragg rod analysis

J. M. Meijer, A. Shabalin, R. Dronyak, O. M. Yefanov, A. Singer, R. P. Kurta, U. Lorenz, O. Gorobstov, D. Dzhigaev, J. Gulden, D. V. Byelov, A. V. Zozulya, M. Sprung, I. A. Vartanyants, Andrei V. Petukhov^*