Cleavage and brittle fracture in GaAs: Indication of lattice dynamic instability on the nanometer scaleM. A. Rosentreter, M. Wenderoth, N. H. Theuerkauf, A. J. Heinrich, M. A. Schneider and R. G. UlbrichEurophys. Lett., 38 9 (1997) 675-680DOI: https://doi.org/10.1209/epl/i1997-00302-7