超薄钛酸铅纳米管铁电性和力电耦合特性的第一性原理研究
王晓媛1, 嶋田隆広2, 北村隆行2

First-principles Calculation on Ferroelectricity and Its Coupling Behavior with Mechanical Deformation of Ultrathin PbTiO3 Nanotube
WANG Xiao-Yuan1, SHIMADA Takahiro2, KITAMURA Takayuki2
图3 轴向极化 P z 与曲率1 R 之间的关系
Fig. 3 Axial polarization P z , as a function of nanotube curvature 1 R Positive and negative values represent the curvatures of the PbO-outside and TiO 2 -outside nanotubes, respectively