4. When scanning tunneling microscopy (STM) reveals periodic structures with atomic dimensions, what is exactly seen?
A The atomic lattice
B. Electronic density of states modulations associated to the atomic lattice
C. Fermi level modulations associated to the atomic lattice
D. The electron diffraction pattern associated to the atomic lattice
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i think d option is rgt....may be
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A scanning tunneling microscope (STM) is a non-optical microscope that works by scanning an electrical probe tip over the surface of a sample at a constant spacing. This allows a 3D picture of the surface to be created.
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