Abstract
We report the electrical behaviour of heterostructure channels with spatially deformed wrinkle patterns at the edge. Instead of the linear current–voltage relationship, a diode-like current–voltage trace is observed under both forward and reverse bias. Analysing the position-dependent strain and energy levels of the wrinkled heterostructure shows that the energy minimum transforms from a two-dimensional plane at the heterointerface to a one-dimensional trajectory at the wrinkled edge characterized by a potential. When a voltage is applied, the carriers at the left and right electrodes travel through a one-dimensional potential, analogously to how carriers move across a potential in the p-n junction, resulting in diode-like electrical characteristics. This work represents a step forward in developing the wrinkled structure for electronic devices.
Published Version
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