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Strain engineering is an essential tool for modifying local electronic properties in silicon-based electronics. Here, Ahn et al. demonstrate control of biaxial strain in two-dimensional materials based on the growth substrate, enabling more complex low-dimensional electronics.
The first race involving molecular ‘cars’ stimulated technical advances in scanning tunnelling microscopy and provided insights in surface science and synthetic chemistry — it also attracted wide interest from the public.
A study on the formation of methylammonium lead iodide perovskite films reveals that light illumination influences the crystallization kinetics, therefore affecting the final photovoltaic performance of these materials.