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Here, we propose a method to determine the thickness of the most common transition metal dichalcogenides (TMDCs) placed on the surface of transparent stamps, used for the deterministic placement of two-dimensional materials, by analyzing the red, green and blue channels of transmission-mode optical microscopy images of the samples. In particular, the blue channel transmittance shows a large and monotonic...
Gallium selenide (GaSe) is a novel 2D material, which belongs to the layered III–VIA semiconductors family and attracted interest recently as it displays single‐photon emitters at room temperature and strong optical nonlinearity. Nonetheless, few‐layer GaSe is not stable under ambient conditions and it tends to degrade over time. Here atomic force microscopy, Raman spectroscopy, and optoelectronic...
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