The Imaging of Individual Atoms

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Science  18 Oct 1996:
Vol. 274, Issue 5286, pp. 369-370
DOI: 10.1126/science.274.5286.369


Atomic structural analysis methods, such as x-ray diffraction, are useful but very indirect ways of imaging. More desirable are direct methods, which show straightforwardly the positions of atoms and molecules. In his Perspective, Jefferson describes the evolution of direct atomic scale imaging and, in particular, results presented in the same issue by Nellist and Pennycook (p. 413) on imaging of catalytic surfaces.