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- Moscow Institute of Physics and TechnologyRU22 papers
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18 papers · 1 filter
Ultrafast Polarization Switching in BaTiO Nanomaterial: Combined DFT and Coupled Oscillator Study
Petr Zhilyaev, Kirill Brekhov, Elena Mishina +1
The challenge of achieving ultrafast switching of electric polarization in ferroelectric materials remains unsolved, as there is no experimental evidence of such switching to date.…
Effective rectification of THz electromagnetic fields in a ferrimagnetic iron garnet
T. G. H. Blank, E. A. Mashkovich, K. A. Grishunin +5
It is found that single-cycle THz electromagnetic fields efficiently excite a GHz spin resonance mode in ferrimagnetic TmFeO, despite the near absence of GHz spectra…
Solid-state heating using the multicaloric effect in multiferroics
Melvin M. Vopson, Yuri K. Fetisov, Ian Hepburn
The multicaloric effect is defined as the adiabatic temperature change in multiferroic materials induced by the application of an external electric or magnetic field, and it was fi…
THz Field-induced Spin Dynamics in Ferrimagnetic Iron Garnets
T. G. H. Blank, K. A. Grishunin, E. A. Mashkovich +3
THz magnetization dynamics is excited in ferrimagnetic thulium iron garnet with a picosecond, single-cycle magnetic field pulse and seen as a high-frequency modulation of the magne…
THz emission from Co/Pt bilayers with varied roughness, crystal structure, and interface intermixing
G. Li, R. Medapalli, R. V. Mikhaylovskiy +4
Femtosecond laser excitation of a Co/Pt bilayer results in the efficient emission of picosecond THz pulses. Two known mechanisms for generating THz emission are spin-polarized curr…
Selection Rules for All-Optical Magnetic Recording in Iron Garnet
A. Stupakiewicz, K. Szerenos, M. D. Davydova +4
Finding an electronic transition a subtle excitation of which can launch dramatic changes of electric, optical or magnetic properties of media is one of the long-standing dreams in…