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5 外侧为PbO层, N =18的纳米管外侧PbO层电荷密度分布随拉伸应力的变化
Fig. 5 Change in charge density distribution on the PbO layer of PbO-outside N =18 nanotube under axial tensile strain The covalent Pb-O bonds are emphasized by white lines