Cross-sectional imaging and spectroscopy of GaAs doping superlattices by scanning tunneling

Feenstra, R.M.; Yu, E.T.
August 1992
Applied Physics Letters;8/17/1992, Vol. 61 Issue 7, p795
Academic Journal
Examines the cross-sectional imaging and spectroscopy of gallium arsenide doping superlattices. Use of scanning tunneling microscope; Variation of Fermi-level position across the superlattice; Appearance of depleted regions at the interfaces between the n- and p-type layers.


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