In-plane Topological p-n Junction in the Three-Dimensional Topological Insulator Bi${}_{2-x}$Sb${}_x$Te${}_{3-y}$Se${}_y$

Ngoc Han Tu, Yoichi Tanabe, Yosuke Satake +2

A topological p-n junction (TPNJ) is an important concept to control spin and charge transport on a surface of three dimensional topological insulators (3D-TIs). Here we report suc…