作者: Yu-Guo Wang , Wolfgang Kleemann , Theo Woike , Rainer Pankrath
关键词: Holography 、 Materials science 、 Holographic recording 、 Optics 、 Piezoelectricity 、 Polarization (waves) 、 Ferroelectricity 、 Electrostriction 、 Crystallography 、 Atomic force microscopy 、 Contact mode
摘要: Ferroelectric domains have been investigated by atomic force microscopy (AFM) within c planes of ${\mathrm{Sr}}_{0.61}{\mathrm{Ba}}_{0.39}{\mathrm{Nb}}_{2}{\mathrm{O}}_{6}{:\mathrm{C}\mathrm{e}}^{3+}$ at room temperature. The structures are observed during polarization switching in noncontact and contact mode. They due to piezoelectric electrostrictive indentations, respectively. Volume holographic recording has visualized on a AFM via surface corrugation. It is light-induced charge-density waves along the polar axis nondiagonal coupling.