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Information × Registration Number 0212U007155, 0110U007655 , R & D reports Title Dynamically controlled artificial magnon crystals based on arrays of nanoscale magnetic elements popup.stage_title Head Melkov Gennadii, Registration Date 26-06-2012 Organization Taras Shevchenko Kiev university popup.description2 A general theory of group spin-wave excitations in magnetic nanodots two-dimensional array of associated magnetic dipole interaction was developed . Theoretically and experimentally examined the signal amplification of magnetostatic waves in a homogeneous magnetic parametric pumping. It is shown that after the threshold of instability in the linear regime, the amplitude with time in the entire region of the pump becomes absolute. The nonlinear four-wave interaction of spin waves and multimode of system, which leads to excitation of higher order modes which are degenerate in frequency with the signal waves was took into account . These factors are limiting the length of the signal propagation through the film to a level about ten waves of the signal wave-free path. This makes it technically possible to create a traveling wave parametric amplifier in the YIG film, but not on Py film. Product Description popup.authors Верба Р. Кисіль О. Коблянський Ю. Кондратович Ю. Малишев В. Мелков Г. Прокопенко О. Романюк В. Романюк О. Слободянюк Д. Талалаєвський О. Усенко В. popup.nrat_date 2020-04-02 Close