About TOMENO Izumi
About Akita Univ., Akita, JPN
About TSUNODA Yorihiko
About Waseda Univ., Tokyo, JPN
About OKA Kunihiko
About National Inst. of Advanced Industrial Sci. and Technol., Ibaraki, JPN
About MATSUURA Masato
About Univ. Tokyo, Kashiwa, JPN
About NISHI Masakazu
About Univ. Tokyo, Kashiwa, JPN
About Physical Review. B. Condensed Matter and Materials Physics
About crystal structure
About sodium compound
About niobium compound
About oxide
About perovskite type crystal
About cubic system
About lattice dynamics
About phonon dispersion
About neutron scattering
About inelastic scattering
About diffuse scattering
About antiferroelectricity
About ferroelectricity
About structural phase transition
About dielectric phase transition
About single crystal
About phase diagram
About transverse mode
About phonon
About Brillouin zone
About temperature dependence
About acoustic phonon
About TSSG法
About Phonons and lattice vibrations in crystals
About 立方晶
About NaNbO3
About 格子力学
About 非弾性中性子散乱
About 研究