Tunable Electronic Structures in Wrinkled 2D Transition-Metal-Trichalcogenide (TMT) HfTe3 Films

2D materials with anisotropic symmetry are likely, in general, to possess strain that is artificially adjustable in a single direction, inspiring strategies of artificial regulation of local structures and related properties. Herein, strain-induced wrinkles in an anisotropic 2D transition-metal-trichalcogenide HfTe3 film are fabricated and illustrated for the first time. The corresponding localized electronic structures in the 1D corrugated wrinkles are revealed by a combination of experiment and simulation. The wrinkled HfTe3 film probably features electrical transport properties never before seen and useful for developing wrinkle-based heterojunctions for novel nanoelectronic devices.