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Imaging of the superstructure in the Cu-sublattice of the Cu2-xSe crystal

In high resolution electron microscopy of complex crystals, the substructure of crystal structure can be selectively imaged in different ways either by changing the microscope observation parameters such as aperture and defocus, or by varying the crystal thickness or orientation(1). A method, termed “ the oblique zone imaging” (2) is applied here to image the superstructure arrangement of Cu atoms in the Cu-sublattice of the Cu2-xSe room temperature (RT) phase.

EM Imaging; superstructure; sublattice

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