title: Mechanical strength of amorphous CaCO3 colloidal spheres.
abstract: Amorphous glassy CaCO3 colloidal spheres of monomodal size distribution were studied by high-resolution Brillouin light scattering. The Young modulus of 37 GPa and shear modulus of 14 GPa of glassy CaCO3 at a density of 1.9 g/cm3 were extracted from the particle vibration frequencies by employing acoustic wave scattering cross-section calculations. The line shape of the low-frequency modes is a sensitive index of the particle polydispersity.
authors: Max Planck Institute for Polymer Research, P.O. Box 3148, 55128 Mainz, Germany.
authors: Michael
authors: M
authors: Faatz
authors: Wei
authors: W
authors: Cheng
authors: Gerhard
authors: G
authors: Wegner
authors: George
authors: G
authors: Fytas
authors: Raluca S
authors: RS
authors: Penciu
authors: Eleftherios N
authors: EN
authors: Economou