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This work deals with the performance of thin semi-insulating GaAs-based detectors of ionizing radiation DC-coupled to the low noise readout electronics. Fabricated detector have square shape Ti/Pt/Au Schottky blocking contact with dimension of 0.5 mm and full area AuGeNi eutectic alloy quasi-ohmic contact on the opposite site. The current-voltage characteristic and 241Am pulse-height spectra of the...
This work presents the properties of nanocrystalline SiC(nc-SiC) films prepared by plasma enhanced chemical vapour deposition. A p-type silicon wafer with resistivity 2-7 Ωcm and (100) orientation was used as the substrate for the nc-SiC:H films. The concentration of species in the SiC films was determined by RBS and ERD. Chemical compositions were analyzed by IR spectroscopy. Film morphology was...
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