Abstract
Abstract Optical functions n , k , e 1 , e 2 and d 2 e 2 / dE 2 have been determined from experimental reflection spectra in the region of 1–10 eV. The revealed electronic transitions are localized in the Brillouin zone. The magnitude of valence band splitting caused by the spin–orbital interaction Δ SO is lower than the splitting caused by the crystal field Δ CR in the center of Brillouin zone and L and X points. The switching effects are investigated in Zn 3 P 2 crystals. The characteristics of experimental samples with electric switching, adjustable resistors, and time relays based on Zn 3 P 2 are presented.
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