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1篇 您的检索式:作者名="Douxing Pan"
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1Bending-induced extension in two-dimensional crystals显示文摘We find by ab initio simulations that significant overall tensile strain can be induced by pure bending in a wide range of two-dimensional crystals perpendicular to the bending moment, just like an accordion being bent to open.This bending-induced tensile strain increases in a power law with bent curvature and can be over 20% in monolayered black phosphorus and transition metal dichalcogenides at a moderate curvature of 2 nm-1but more than an order weaker in graphene and hexagon boron nitride. This accordion effect is found to be a quantum mechanical effect raised by the asymmetric response of chemical bonds and electron density to the bending curvature.Douxing Pan Yao Li Tzu-Chiang Wang Wanlin Guo 2017Acta Mechanica Sinica2017,33,1:1
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