Experiments were performed to determine the effect of radiation on quantum devices. The devices included resonant tunneling devices and two- dimensional electron gas devices. None of the devices were radiation-hardened prior to testing. The radiation used in the tests included gamma rays, protons, neutrons, and heavy ions. Resonant tunneling devices were found to possess significant radiation tolerance. None of these devices showed any systematic ...
Reduced cross-contamination, development of a new process to improve thin-layer growth, more precise control of the thicknesses of both Si and ZnS epitaxial layers, reduced fixed charge density in the ZnS or at the ZnS/Si interface, reduced mobile charge in the ZnS, determination of the band offset between ZnS and Si to be 1.0 +/- 0.1 eV and development of a new class of wide ...
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