About KUSUMOTO Keiji
About National Inst. of Advanced Industrial Sci. and Technol., Nagoya, JPN
About Japanese Journal of Applied Physics. Part 1. Regular Papers, Short Notes & Review Papers
About ferroelectrics
About Curie point
About Piezoelectricity,pyroelectricity,electret
About NaNbO3
About セラミック
About 圧電特性