Photoenhanced tunneling currents are measured with a scanning tunneling microscope (STM) for semiconductors illuminated with monochromatic light. The spectral response of the STM tunnel junction was measured over the spectral range of 0.8-1.5 eV. Optical spectra for p-type (111)Si, epitaxial n-type (100)InP, and p-type (100)GaAs were obtained.
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)