Figure 2 (IMAGE)

Columbia University School of Engineering and Applied Science

Figure 2

Caption

An atomic force microscope image showing nanobubbles formed between a single layer of the 2-dimensional semiconductor WSe2 (1L- WSe2) and a layer of hexagonal boron nitride (hBN), an insulating material. On the left, the layer of WSe2 has folded back on itself, forming a bilayer (2L-WSe2), which contains additional bubbles and wrinkles.

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Thomas Darlington/Columbia Engineering

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