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    Photoinduced dynamics and femtosecond excitation of phonon modes in ferroelectric semiconductor Sn2P2S6

    The ultrafast dynamics of electrons and phonons excited by femtosecond light pulses in ferroelectric semiconductor Sn2P2S6 is investigated using the optical pump–probe technique. It is demonstrated that a soft mo...

    K. A. Brekhov, K. A. Grishunin, D. V. Afanas’ev, S. V. Semin in JETP Letters (2015)