Anomalous photoluminescence polarization of porous silicon
Andrianov A. V. , Kovalev D. I. , Zinov'ev N. N. , Yaroshetskii I. D.
A linear polarization of the photoluminescence of porous silicon has been observed during high-energy nonresonant excitation by linearly polarized light. The depolarization time of this luminescence is anomalously long (~ 10 μ%) at temperatures up to Γ=300 К.