Abstract

Highly sensitive methods of the detection of the electron paramagnetic resonance (EPR) spectra based on the spin-dependent microwave photoconductivity were applied for investigation of the point defects in silicon. The specific features and properties of the excited triplet (spin S = 1) states of defects responsible for spin-dependent recombination of photo excited carriers are considered. The main attention is given to study such defects as oxygen + vacancy complexes and carbon related centers dominantly produced by irradiation.

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