Domain walls 17 Magnetic domains 5 Ferroelectric materials 4 Grain boundaries 4 Topology 4 'current 2 Binary alloys 2 Defects 2 Elastic material status 2 Elastic materials 2 Elasticity 2 Ferroelectric domains 2 Ferroelectricity 2 Ferroelectrics 2 Grain-boundaries 2 Kerr-Effect microscope 2 Magnetic domain walls 2 Magnetic fields 2 Magneto-optical Kerr effects 2 Magneto-optical kerr effect microscope 2 Nondestructive examination 2 Nonlinear optics 2 Optical Kerr effect 2 Order parameter 2 Phase transitions 2 Plastic material status 2 Plastic materials 2 Relaxation time 2 Repeatability and stability 2 Residual magnetic field 2