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We had investigated effects of the irradiation by 24 GeV protons with doses ranging from 1×10^{14} up to 1×10^{16} p/cm^2 on the properties of GaN ionising radiation detectors. In theγ-spectra of the samples radiation of ^7Be, ^{22}Na, and other long-lived radionuclides with A <70 was identified. Their activities were proportional to the irradiation dozes. Device contact properties were analysed...
We investigated single crystals of GaN and thin film GaN radiation detectors by thermally stimulated currents and thermally stimulated depolarization methods in order to characterize carrier transport properties as influenced by material defect structure. In thick GaN no expressed structure of the thermally stimulated current spectra was observed in the temperature range from 100 K up to 350 K, which...
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