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The piezoelectric property of van der Waals materials is difficult to be collected and quantified experimentally. In article number 1903106, Zhigao Hu and co‐workers present an efficient scanning probe method to quantify the effective out‐of‐plane electromechanical coupling response on 2D layered materials including MoS2 and InSe by a free‐standing designation.
2D layers of metal dichalcogenides are of considerable interest for high‐performance electronic devices for their unique electronic properties and atomically thin geometry. 2D SnS2 nanosheets with a bandgap of ≈2.6 eV have been attracting intensive attention as one potential candidate for modern electrocatalysis, electronic, and/or optoelectronic fields. However, the controllable growth of large‐size...
Many van der Waals layered 2D materials, such as h‐BN, transition metal dichalcogenides (TMDs), and group‐III monochalcogenides, have been predicted to possess piezoelectric and mechanically flexible natures, which greatly motivates potential applications in piezotronic devices and nanogenerators. However, only intrinsic in‐plane piezoelectricity exists in these 2D materials and the piezoelectric...
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