Two-dimensional metallic behavior at polar MgO/BaTiO<sub>3</sub> (110) interfaces<xref ref-type="fn" rid="cpb142049fn1">*</xref>

Two-dimensional metallic behavior at polar MgO/BaTiO₃ (110) interfaces*

Du Yan-Ling^a),^b), Wang Chun-Lei^a), Li Ji-Chao^a)†, Zhang Xin-Hua^a), Wang Fu-Ning^a), Liu Jian^a), Zhu Yuan-Hu^a), Yin Na^a), Mei Liang-Mo^a)

(a) The 3D isovalue surface (yellow contour) of the local density of states of the interface Ti atom contributing to the peak at the Fermi level. (b) The partial density of states (PDOS) of the interface Ti 3d states.