منابع مشابه
Dielectric spectroscopy and thermally stimulated discharge current in PEEK film
The complex permittivity of films of polyether ether ketone (PEEK) has been investigated over a wide range of frequency. There is no relaxation peak in the range of 1Hz to 10 Hz but in the lowfrequency side (10 Hz) there is an evidence of a peak that also can be observed by thermally stimulated discharge current measurements. That peak is related with the glass transition temperature (T g ) of ...
متن کاملInvestigation of Carrier Transport in GaN Single Crystals and Radiation Detectors by Thermally Stimulated Methods
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,...
متن کاملThermally Stimulated Currents in Nanocrystalline
A thorough study on the distribution of defect-related active energy levels has been 18 performed on nanocrystalline TiO2. Films have been deposited on thick-alumina printed circuit 19 boards equipped with electrical contacts, heater and temperature sensors, to carry out a detailed 20 thermally stimulated currents analysis on a wide temperature range (5-630K), in view to evidence 21 contributio...
متن کاملThermally Stimulated Currents
Thermally stimulated current-curves in CdS platelets with slit electrodes change their character when the photoelectric gain-factor increases above one. Here the photocurrent remains essentially frozen-in up to temperatures at which marked thermal quenching sets in. A positive space charge region is assumed to be responsible for the frozen-in photocurrent. A reliable TSC-analysis of the trap di...
متن کاملThermally Stimulated Depolarization Currents in NaCl:Ca Crystals
Analysis of the thermally stimulated depolarization currents in Ca-doped NaCl crystals is carried out by taking into account the presence of the Ca-cation vacancy complexes with vacancies in both nearest-neighbourhood and next-nearest neighbourhood position. Relaxation parameters are derived by fitting the experimental data to standard equations. The results are, where possible, compared with t...
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ژورنال
عنوان ژورنال: Applied Physics Letters
سال: 1996
ISSN: 0003-6951,1077-3118
DOI: 10.1063/1.116613