NASA NTRS · 20090042934
Piezoelectrically enhanced photocathode
Abstract
A photocathode, for generating electrons in response to incident photons in a photodetector, includes a base layer having a first lattice structure and an active layer having a second lattice structure and epitaxially formed on the base layer, the first and second lattice structures being sufficiently different to create a strain in the active layer with a corresponding piezoelectrically induced polarization field in the active layer, the active layer having a band gap energy corresponding to a desired photon energy.
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Beach, Robert A., Nikzad, Shouleh, Strittmatter, Robert P., Bell, Lloyd Douglas. 2009-09-22. Piezoelectrically enhanced photocathode. https://ntrs.nasa.gov/citations/20090042934
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