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. 2014 Apr 25;4:4794. doi: 10.1038/srep04794

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(a) TEM image of few-layer Bi₂Se₃. (b) SAED pattern of few-layer Bi₂Se₃. (c) HRTEM image of few-layer Bi₂Se₃. (d), (e) AFM image and the corresponding height profile of few-layer Bi₂Se₃. (f) XRD patterns of few-layer Bi₂Se₃ and bulk Bi₂Se₃.