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Thermoluminescence (TL) ultraviolet dosimetric characterization of chemically vapor deposited (CVD) diamond film has been performed. The 9-μm-thick film was exposed to UV radiation and exhibited an excitation thermoluminescence spectrum peaked at 220 nm with a significant TL efficiency in the 180-260 nm range. The deep ultraviolet response for λ<220 nm makes the material suitable for photodetectors...
Density distribution of gap states in nominally undoped CVD diamond films has been studied as a function of film thickness. Co-deposited films with thickness of 3, 6, 9 and 12 μm were used for this study. Density of trap states around Fermi-level was resolved using space charge limited current (SCLC) method, from I-V characteristics of the films. Density of mid-gap states was explored using constant...
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