Skip to main content

6 Result(s)

within K. A. Brekhov Remove this filter English Remove this filter

and

  1. No Access

    Article

    Ultrafast Magnetization Reversal in DyFeCo Thin Film by Single Femtosecond Laser Pulse

    Abstract—The possibility of the local all-optical magnetization reversal in a thin ferrimagnetic rare-earth—transition metal film (DeFeCo) by linearly and circularly polarized 35 fs laser pulses is demonstrated e...

    S. V. Ovcharenko, P. O. Yakushenkov, N. A. Ilyin… in Physics of Metals and Metallography (2019)

  2. No Access

    Article

    Optical second harmonic generation and its photoinduced dynamics in ferroelectric semiconductor Sn2P2S6

    By means of optical pump–probe technique, the ultrafast dynamics of nonlinear optical response of the ferroelectric semiconductor Sn2P2S6 crystal excited with a femtosecond laser pulse has been investigated. It h...

    K. A. Brekhov, K. A. Grishunin, D. V. Afanas’ev, S. V. Semin… in Physics of the Solid State (2018)

  3. No Access

    Article

    Optical Diagnostics of WSe2 Monolayers

    WSe2 films have been studied by the method of second harmonic generation (SHG) in the 1200–1420 nm wavelength range at room temperature. Preliminary investigations of photoluminescence spectra and atomic force mi...

    K. A. Brekhov, K. A. Grishunin, N. A. Ilyin, A. P. Shestakova… in Technical Physics Letters (2017)

  4. No Access

    Article

    Photoinduced gratings in a Sn2P2S6 ferroelectric crystal with the period depending on the optical pump power

    The light scattering in the form of ring structures in Sn2P2S6 crystals at the propagation of intense laser pump radiation along the b crystallographic axis is detected. Radiation passing through a crystal is com...

    P. A. Prudkovskii, K. A. Brekhov, K. A. Grishunin, K. A. Kuznetsov… in JETP Letters (2017)

  5. No Access

    Article

    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)

  6. No Access

    Article

    Polarization switching in perforated ferroelectric films

    The polarization switching in ferroelectric films of barium strontium titanate with a planar structure of interdigitated electrodes has been studied experimentally. The local polarization distribution in an in...

    K. A. Brekhov, N. A. Il’in, S. D. Lavrov, N. E. Sherstyuk… in Physics of the Solid State (2014)