Phys.org   October 16, 2023 Single-walled TMD nanotubes (SW-TMDNTs) are 1D materials that can exhibit tunable electronic properties depending on both their chirality and composition. However, much less has been explored about their geometrical structures and chemical variations due to their instability under ambient conditions. Researchers in Japan have shown that the outer surfaces and inner cavities of the BNNTs promote and stabilize the coaxial growth of SW-TMDNTs with various diameters, including few-nanometers-wide species. The chiral indices of individual SW-MoS2NTs were assigned by high-resolution transmission electron microscopy, and statistical analyses revealed a broad chirality distribution ranging from zigzag to armchair configurations. […]