Outputs (46)

Enhanced Photon–Phonon Interaction in WSe2 Acoustic Nanocavities (2024)
Journal Article
Carr, A. D., Ruppert, C., Samusev, A. K., Magnabosco, G., Vogel, N., Linnik, T. L., …Akimov, A. V. (2024). Enhanced Photon–Phonon Interaction in WSe2 Acoustic Nanocavities. ACS Photonics, 11(3), 1147–1155. https://doi.org/10.1021/acsphotonics.3c01601

Acoustic nanocavities (ANCs) with resonance frequencies much above 1 GHz are prospective to be exploited in sensors and quantum operating devices. Nowadays, acoustic nanocavities fabricated from van der Waals (vdW) nanolayers allow them to exhibit re... Read More about Enhanced Photon–Phonon Interaction in WSe2 Acoustic Nanocavities.

Hybrid coherent control of magnons in a ferromagnetic phononic resonator excited by laser pulses (2024)
Journal Article
Scherbakov, A. V., Carr, A. D., Linnik, T. L., Kukhtaruk, S. M., Armour, A. D., Nadzeyka, A., …Bayer, M. (2024). Hybrid coherent control of magnons in a ferromagnetic phononic resonator excited by laser pulses. Physical Review Research, 6(1), Article L012019. https://doi.org/10.1103/PhysRevResearch.6.L012019

We propose and demonstrate the concept of hybrid coherent control (CC) whereby a quantum or classical harmonic oscillator is excited by two excitations: one is quasiharmonic (i.e., harmonic with a finite lifetime) and the other is a pulsed broadband... Read More about Hybrid coherent control of magnons in a ferromagnetic phononic resonator excited by laser pulses.

On-chip phonon-magnon reservoir for neuromorphic computing (2023)
Journal Article
Yaremkevich, D. D., Scherbakov, A. V., De Clerk, L., Kukhtaruk, S. M., Nadzeyka, A., Campion, R., …Bayer, M. (2023). On-chip phonon-magnon reservoir for neuromorphic computing. Nature Communications, 14(1), Article 8296. https://doi.org/10.1038/s41467-023-43891-y

Reservoir computing is a concept involving mapping signals onto a high-dimensional phase space of a dynamical system called “reservoir” for subsequent recognition by an artificial neural network. We implement this concept in a nanodevice consisting o... Read More about On-chip phonon-magnon reservoir for neuromorphic computing.

Bi2Se3 interlayer treatments affecting the Y3Fe5O12 (YIG) platinum spin Seebeck effect (2023)
Journal Article
Hu, Y., Weir, M. P., Pereira, H. J., Amin, O. J., Pitcairn, J., Cliffe, M. J., …Woodward, S. (2023). Bi2Se3 interlayer treatments affecting the Y3Fe5O12 (YIG) platinum spin Seebeck effect. Applied Physics Letters, 123(22), Article 223902. https://doi.org/10.1063/5.0157778

In this work, we present a method to enhance the longitudinal spin Seebeck effect at platinum/yttrium iron garnet (Pt/YIG) interfaces. The introduction of a partial interlayer of bismuth selenide (Bi2Se3, 2.5% surface coverage) interfaces significant... Read More about Bi2Se3 interlayer treatments affecting the Y3Fe5O12 (YIG) platinum spin Seebeck effect.

Ultrafast magnetoacoustics in Galfenol nanostructures (2023)
Journal Article
Scherbakov, A. V., Linnik, T. L., Kukhtaruk, S. M., Yakovlev, D. R., Nadzeyka, A., Rushforth, A. W., …Bayer, M. (2023). Ultrafast magnetoacoustics in Galfenol nanostructures. Photoacoustics, 34, Article 100565. https://doi.org/10.1016/j.pacs.2023.100565

Phonons and magnons are prospective information carriers to substitute the transfer of charge in nanoscale communication devices. Our ability to manipulate them at the nanoscale and with ultimate speed is examined by ultrafast acoustics and femtoseco... Read More about Ultrafast magnetoacoustics in Galfenol nanostructures.

Antiferromagnetic half-skyrmions electrically generated and controlled at room temperature (2023)
Journal Article
Amin, O. J., Poole, S. F., Reimers, S., Barton, L. X., Dal Din, A., Maccherozzi, F., …Wadley, P. (2023). Antiferromagnetic half-skyrmions electrically generated and controlled at room temperature. Nature Nanotechnology, 18(8), 849-853. https://doi.org/10.1038/s41565-023-01386-3

Topologically protected magnetic textures are promising candidates for information carriers in future memory devices, as they can be efficiently propelled at very high velocities using current-induced spin torques. These textures—nanoscale whirls in... Read More about Antiferromagnetic half-skyrmions electrically generated and controlled at room temperature.

Coherent Phononics of van der Waals Layers on Nanogratings (2022)
Journal Article
Yan, W., Akimov, A. V., Barra-Burillo, M., Bayer, M., Bradford, J., Gusev, V. E., …Linnik, T. L. (2022). Coherent Phononics of van der Waals Layers on Nanogratings. Nano Letters, 22(16), 6509-6515. https://doi.org/10.1021/acs.nanolett.2c01542

Strain engineering can be used to control the physical properties of two-dimensional van der Waals (2D-vdW) crystals. Coherent phonons, which carry dynamical strain, could push strain engineering to control classical and quantum phenomena in the unex... Read More about Coherent Phononics of van der Waals Layers on Nanogratings.

Transition magnon modes in thin ferromagnetic nanogratings (2022)
Journal Article
Kukhtaruk, S. M., Rushforth, A. W., Godejohann, F., Scherbakov, A. V., & Bayer, M. (2022). Transition magnon modes in thin ferromagnetic nanogratings. Physical Review B, 106(6), Article 064411. https://doi.org/10.1103/PhysRevB.106.064411

This work presents micromagnetic simulations in ferromagnetic nanogratings for the full range of directions of an applied in-plane external magnetic field. We focus on the modification of the magnon mode characteristics when the magnetic field orient... Read More about Transition magnon modes in thin ferromagnetic nanogratings.

Spectrum evolution and chirping of laser-induced spin wave packets in thin iron films (2022)
Journal Article
Filatov, I. A., Gerevenkov, P. I., Wang, M., Rushforth, A. W., Kalashnikova, A. M., & Khokhlov, N. E. (2022). Spectrum evolution and chirping of laser-induced spin wave packets in thin iron films. Applied Physics Letters, 120(11), Article 112404. https://doi.org/10.1063/5.0077195

We present an experimental study of ultrafast optical excitation of magnetostatic surface spin wave (MSSW) packets and their spectral properties in thin films of pure iron. As the packets leave the excitation area and propagate in space, their spectr... Read More about Spectrum evolution and chirping of laser-induced spin wave packets in thin iron films.

Effect of magnetic anisotropy relaxation on laser-induced magnetization precession in thin galfenol films (2021)
Journal Article
Gerevenkov, P. I., Kuntu, D. V., Filatov, I. A., Shelukhin, L. A., Wang, M., Pattnaik, D. P., …Khokhlov, N. E. (2021). Effect of magnetic anisotropy relaxation on laser-induced magnetization precession in thin galfenol films. Physical Review Materials, 5(9), Article 094407. https://doi.org/10.1103/PhysRevMaterials.5.094407

The rate and pathways of relaxation of a magnetic medium to its equilibrium following excitation with intense and short laser pulses are the key ingredients of ultrafast optical control of spins. Here we study experimentally the evolution of the magn... Read More about Effect of magnetic anisotropy relaxation on laser-induced magnetization precession in thin galfenol films.