Today at Berkeley Lab

Long Predicted Atomic Collapse State Observed in Graphene

Michael Crommie of the Materials Sciences Division led a collaboration that achieved the first experimental observation of atomic collapse, a quantum mechanical phenomenon predicted nearly 70 years ago. Crommie and his colleagues fabricated artificial nuclei made from pairs of calcium ions using a scanning tunneling microscope then imaged the elusive phenomenon. Their findings hold important implications for the future of graphene-based electronic devices. Also working on this study from Berkeley Lab were Yang Wang, Dillon Wong, Victor Brar, Qiong Wu, William Regan, Alex Zettl and Steven Louie. More>

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