New measurements explain how silicon and diamond achieve extreme reversible stretching

A research team led by Yang Lu from the Department of Mechanical Engineering at the Faculty of Engineering, The University of Hong Kong (HKU), has uncovered the microscopic physical nature of ultralarge elasticity in covalent semiconductors such as silicon and diamond. The discovery provides quantitative guidance for deep elastic strain engineering (DESE), paving the way for the development of next-generation electronic, optoelectronic and quantum devices.

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