نتایج جستجو برای: magnetoelastic wave
تعداد نتایج: 218863 فیلتر نتایج به سال:
We consider periodic domain structures which appear due to the magnetoelastic interaction if the antiferromagnetic crystal is attached to an elastic substrate. The peculiar behavior of such structures in an external magnetic field is discussed. In particular, we find the magnetic field dependence of the equilibrium period and the concentrations of different domains.
The new double perovskite Mn2MnReO6 has been synthesised at high pressure. Mn(2+) and Re(6+) spins order antiferromagnetically through two successive transitions that are coupled by magnetoelastic effects, as order of the Mn spins at 109 K leads to lattice distortions that reduce frustration prompting Re order at 99 K.
Surface acoustic waves (SAWs) have significant potential for energy-efficient control of magnetic domain walls (DWs) owing to the magnetoelastic coupling effect. However, dissipation radio-frequency (rf) power in a SAW device can result heating, which also affect DW motion. In this work, heating consisting $\mathrm{Pt}$/$\mathrm{Co}$/$\mathrm{Ta}$ thin film with perpendicular anisotropy between...
We derive and solve quantum kinetic equations describing the accumulation of magnetoelastic bosons in an overpopulated magnon gas realized a thin film magnetic insulator yttrium iron garnet. show that presence condensate, there is non-equilibrium steady state which incoherent accumulate narrow region momentum space for energies slightly below bottom spectrum. The results our calculations agree ...
We analyze resonant magnetoelastic interactions between standing perpendicular spin wave modes (exchange magnons) and longitudinal acoustic phonon in free-standing hybrid metal-ferromagnet bilayer trilayer structures. Whereas the ferromagnetic layer acts as a magnetic cavity, all metal layers control frequencies eigenmodes of vibrations. The design proposed here allows for achieving tuning spec...
A force m onitoring system consisting of stress-sensitive magnetoelastic strips forremotely measuring the force profile across a hard surface is described. Under the excitation of amagnetic AC field, the m agnetoelastic strips generated higher-order harmonic fields (magneticAC fields at multiple frequencies of the excitation field), allowing remote measurement of theirresponses ...
BACKGROUND Because of the unique electromagnetic characteristics of the magnetoelastic microwire, the changes in the pressure of a fluid will provoke a variation of the mechanical pressure on the sensor, which will cause a variation of its magnetization that will be detectable wirelessly. Thus, a wireless system can be developed for following up vascular surgery procedures. METHODS AND RESULT...
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