Zelek S. Herman, Robert F. Kirchner, et al.
Inorganic Chemistry
A technique has been developed that allows the energy profile of quantum wells in AlxGa1-xAs heterostructures to be mapped directly. The lateral resolution is a few nanometers, which allows the band-bending profile and the conduction-band discontinuity of interfaces within the heterostructure to be probed directly. The technique is based on the excitation of luminescence in the III-V compounds using the tip of a scanning tunneling microscope as a source of electrons. © 1991 The American Physical Society.
Zelek S. Herman, Robert F. Kirchner, et al.
Inorganic Chemistry
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