Brittle Fracture of 2D MoSe<sub>2</sub>.

Yang, Yingchao; Li, Xing; Wen, Minru; Hacopian, Emily; Chen, Weibing; Gong, Yongji; Zhang, Jing; Li, Bo et al. · Adv Mater · 2017

basic_science · Level V

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Abstract

An in situ quantitative tensile testing platform is developed to enable the uniform in-plane loading of a freestanding membrane of 2D materials inside a scanning electron microscope. The in situ tensile testing reveals the brittle fracture of large-area MoSe<sub>2</sub> crystals and measures their fracture strength for the first time.