In Situ Atomic-Scale Study provides new insights into crystal nucleation and growth mechanisms

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Junjie Li and Francis Leonard Deepak from the AEMIS Department along with Zhongchang WangQMST Department in collaboration with international researchers have carried out In situ atomic scale studies to clarify nucleation and growth mechanisms of nanocrystals.

Understanding nucleation and growth at the atomic scale is of great interest to scientists in many disciplines. However, fulfilling direct atomic-scale observation is still a significant challenge.

In their recently reported study in the leading international journal Advanced Science using Bi as a model system, they employed electron beam irradiation within an aberration-corrected TEM to unveil non-classical mechanism of crystal nucleation and growth.

These findings are expected to help advance the general understanding of the dynamic process of nucleation of materials and phase transformations at the atomic scale.