has successfully achieved elastic straining of diamond at an unprecedented level, a breakthrough that heralds a new diamond age in the utilisation of the gemstone in microelectronics, photonics, and quantum information technologies.

The research results show that microfabricated single-crystalline diamond tensile sample can attain a maximum uniform elastic strain of up to 9.7%, which is close to the theoretical elastic deformation limit of diamond.

These groundbreaking results were produced by a team co-led by Dr Lu Yang, Associate Professor in the Department of Mechanical Engineering (MNE) at CityU, in collaboration with experts from Massachusetts Institute of Technology (MIT), Harbin Institute of Technology (HIT) and so on. Their findings have been published in the prestigious journal Science under the title “Achieving large uniform tensile elasticity in microfabricated diamond”.

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