Alumina 1 Alumina ceramic 1 Aluminum oxide 1 Density functional theory 1 Diffraction fields 1 Dislocation nucleation 1 Field emission microscopes 1 Field emission scanning electron microscopy 1 Loading 1 Loading rate 1 Microscopy technique 1 Nano-scale plasticity 1 Nanoindentation 1 Nanoindentation experiments Nanoindentation techniques 1 Nucleation 1 Plasticity 1 Scanning electron microscopy 1 Sintering 1 Titania 1 Titanium dioxide 1