Thz antiferromagnetic

Author: moyl

August undefined, 2024

Webb1 juli 2024 · The spin-torque induced non-uniform in time rotation of the canted antiferromagnetic sublattices creates a spin-pumping signal at THz frequency which is transformed into an electric field via the inverse spin-Hall effect in the Pt layer. (b) Calculated THz frequency as a function of the DC electric current density [124]. WebbI am now studying on strongly correlated system in a non-equilibrium state with various optical pump-probe techniques at Gwangju institute of science and technology (GIST), Korea. My research interests are a general understanding of coupling between quasi-particles (electron, phonon, spin) and emergent phenomenon in a non-equilibrium …

Jan Wyzula – Postdoctoral Researcher – Université de Fribourg ...

Webb1 mars 2024 · Terahertz (THz) technology, with its frequency ranging approximately within 10 11 –10 13 Hz, has numerous applications, such as high-resolution imaging, nuclear … WebbWe also explore our results directly for applications in THz photonics, including the development of novel emitters, detectors and modulators of broadband THz radiation. We participate in national and international … the niu hotels berlin

Emission of coherent THz magnons in an antiferromagnetic …

WebbAbout. Postdoctoral Associate at Cornell University. Ph.D. from the University of Minnesota. Experienced researcher in magneto-optics, ferrimagnetic materials systems, rare-earth iron garnets ... Webb27 nov. 2024 · In conclusion, we have demonstrated THz coherent phonon–magnonic dynamics and incoherent spin dynamics in the antiferromagnetic phase of a bulk FePS 3 … WebbApplications of antiferromagnetic topological crystals and magnetic topological heterostructures include spin valves [8,9], THz photodetectors [10] [11] [12], and recent studies are also exploring ... michiana mental health

Orientation-dependent THz emission in non-collinear antiferromagnetic …

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Webb18 aug. 2024 · Antiferromagnetic and THz magnonics offer ultra-high frequency devices. In antiferromagnets, the THz eigenfrequency stems from the very high sublattice exchange field, while laser-induced spin current in a ferromagnet/nonmagnet thin films can also cause THz spin-wave emission due to the confinement of exchange standing spin waves … Webb20 dec. 2024 · Employing polarization sensitive terahertz (THz) transmission spectroscopy, we explored how the waveform of initially single-cycle linearly polarized THz pulses changes upon propagation through a thick antiferromagnetic crystal of CoF 2.The changes upon propagation through CoF 2 are found to depend strongly on both the incoming … michiana midwest classicWebbTerahertz amplification and lasing by using transverse electric modes in a two-layer-graphene-dielectric waveguide structure with direct current I M Moiseenko, V V Popov and D V Fateev Open abstract View article PDF 255302 Quasi-periodic scattering of topological edge states induced by the vacancies in chloridized gallium bismuthide nanoribbons michiana mechanical heating\\u0026cooling

"WebbAntiferromagnets possess no net magnetic moment and are stable and impervious to external fields. However, for the same reason, control and detection of magnetic THz … " - Thz antiferromagnetic

Thz antiferromagnetic

Picosecond Spin Seebeck Effect in Magnetic Insulators

Webb28 sep. 2012 · THz ESR study of multiferroic material CuO under pulsed magnetic field Abstract: Anisotropic g-values and 1.590 THz antiferromagnetic gap of multiferroic material CuO has been observed for the first time using the advantages of … Webb10 nov. 2024 · We have conducted a terahertz spectroscopic study of antiferromagnetic resonances in bulk orthoferrite YFe 1−x Mn x O 3 0 ≤ x ≤ 0.4.Both the quasi-ferromagnetic resonance mode and the quasi-antiferromagnetic resonance mode in the weak ferromagnetic Γ 4 phase disappear near the spin reorientation temperature, T SR, for the …

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Webb11 okt. 2024 · THz optomagnetism is shown to be more energy efficient than similar effects reported previously for the near-infrared spectral range. Received 1 April 2024 … Webb14 juli 2024 · Abstract The efficiency of the ultrafast excitation of spins in antiferromagnetic α−Fe2O3 using a nearly single-cycle THz pulse is studied as a …

Webb20 okt. 2024 · Terahertz Emitters In article number 2204373, Xiaojun Wu, Caihua Wan, Jimin Zhao, Sai Chen, and co-workers demonstrate efficient terahertz generation from a … Webb11 apr. 2024 · what: The authors demonstrate the combined generation of broadband THz (incoherent) magnons and narrowband (coherent) magnons at 1 THz in low damping thin films of NiO/Pt. Next, the authors explore the dynamics of these different mechanisms by extracting the temporal profile of the ultrafast spin-current using 20 fs pump pulses as …

Webb21 sep. 2024 · The total THz spin current dynamics can thus be manipulated by a medium-strength magnetic field. The controllability of the THz spin current achieved in hematite opens the pathway toward controlling the exact spin current dynamics from ultrafast antiferromagnetic spin sources. Webb27 mars 2024 · Antiferromagnetic CuMnAs thin films have attracted attention since the discovery of the manipulation of their magnetic structure via electrical, optical, and terahertz pulses of electric fields, enabling convenient approaches to the switching between magnetoresistive states of the film for the information storage. However, the …

Webbantiferromagnetic states.4 Moreover, the development of technology generating intense THz elds, especially the tilted pulse front method,5 allows researchers to excite spin dynamics in antiferromagnets via direct resonant mechanisms.6,7 Department of Physics, Lancaster University, Bailrigg, Lancaster LA1 4YW, UK. E-mail: r.mikhaylovskiy@

Webb12 feb. 2024 · We present a theory of a detector of terahertz-frequency signals based on an antiferromagnetic (AFM) crystal. The conversion of a THz-frequency electromagnetic signal into the DC voltage is realized using the inverse spin Hall effect in an antiferromagnet/heavy metal bilayer. michiana michigan clerk\\u0027s officeWebb12 maj 2024 · Antiferromagnets can host spin waves at THz frequencies and are therefore seen as a future platform for the fastest and the least dissipative transfer of information. … michiana michigan vacation rentalsWebb1 dec. 2024 · Finding the paths to control and read-out the antiferromagnetic ordering at the THz rates and picosecond time-scales, has become a heavily debated topic in … michiana mental health center plymouth inWebb23 mars 2024 · Recently, terahertz writing speed has become a realistic prospect with the experimental discovery ( 14) of the electrical switching in the CuMnAs antiferromagnet … michiana monstersWebb23 dec. 2024 · Geometry of the experiment and THz pumping of antiferromagnetic CoF 2. The spins of Co 2+ ions are antiferromagnetically aligned along the z axis. The linearly … the niu form hotel stuttgartWebbInfo. I am an experimental physicist with an expertise in low-temperature scanning tunneling microscopy (STM) and scanning tunneling spectroscopy techniques. My area of research ranges from probing strongly correlated effects in topological materials to studying vortex phyiscs in ferroelectric materials. Using STM, it has also been fun … michiana mixed horse saleWebbMagnonics is a budding research field in nanomagnetism and nanoscience that addresses the use of spin waves (magnons) to transmit, store, and process information. The rapid advancements of this field during last one decade in terms of upsurge in michiana millworks