Search Results - "Demokritov, Sergej"

Controlled nonlinear magnetic damping in spin-Hall nano-devices by Divinskiy, Boris, Urazhdin, Sergei, Demokritov, Sergej O., Demidov, Vladislav E.

“…Large-amplitude magnetization dynamics is substantially more complex compared to the low-amplitude linear regime, due to the inevitable emergence of…”
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Magnetic nano-oscillator driven by pure spin current by Demidov, Vladislav E., Urazhdin, Sergei, Ulrichs, Henning, Tiberkevich, Vasyl, Slavin, Andrei, Baither, Dietmar, Schmitz, Guido, Demokritov, Sergej O.

“…The dynamical processes associated with the magnetization of a material can be drastically altered by the application of a spin current. This study now…”
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Excitation and Amplification of Spin Waves by Spin–Orbit Torque by Divinskiy, Boris, Demidov, Vladislav E., Urazhdin, Sergei, Freeman, Ryan, Rinkevich, Anatoly B., Demokritov, Sergej O.

“…The emerging field of nanomagnonics utilizes high‐frequency waves of magnetization—spin waves—for the transmission and processing of information on the…”
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Magnonic Waveguides Studied by Microfocus Brillouin Light Scattering by Demidov, Vladislav E., Demokritov, Sergej O.

“…The paradigm of magnonics is based on utilization of propagating spin waves (or their quanta-magnons) for signal transmission and processing in…”
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Multi-Stimuli-Responsive Water-Dispersible Magnetite Nanoparticles Using Arylazopyrazole-Modified Polymer Ligands by Schlichter, Lisa, Jersch, Johann, Demokritov, Sergej O., Ravoo, Bart Jan

“…In order to design new nanomaterials with improved functionalities, magnetite nanoparticles (MNP) modified with arylazopyrazole (AAP) molecular photoswitches…”
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Nanowire spin torque oscillator driven by spin orbit torques by Duan, Zheng, Smith, Andrew, Yang, Liu, Youngblood, Brian, Lindner, Jürgen, Demidov, Vladislav E., Demokritov, Sergej O., Krivorotov, Ilya N.

“…Spin torque from spin current applied to a nanoscale region of a ferromagnet can act as negative magnetic damping and thereby excite self-oscillations of its…”
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Direct observation and mapping of spin waves emitted by spin-torque nano-oscillators by Demidov, Vladislav E, Urazhdin, Sergei, Demokritov, Sergej O

“…Dynamics induced by spin-transfer torque is a quickly developing topic in modern magnetism, which has initiated several new approaches to magnetic nanodevices…”
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Excitation of coherent propagating spin waves by pure spin currents by Demidov, Vladislav E., Urazhdin, Sergei, Liu, Ronghua, Divinskiy, Boris, Telegin, Andrey, Demokritov, Sergej O.

“…Utilization of pure spin currents not accompanied by the flow of electrical charge provides unprecedented opportunities for the emerging technologies based on…”
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Controlled enhancement of spin-current emission by three-magnon splitting by Kurebayashi, Hidekazu, Dzyapko, Oleksandr, Demidov, Vladislav E., Fang, Dong, Ferguson, A. J., Demokritov, Sergej O.

“…Spin current, that is, the flow of angular momentum without charge transfer, may be used in efficient spintronics devices. One problem is that spin current…”
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Zero-Field Spin Waves in YIG Nanowaveguides by Nikolaev, Kirill O., Lake, Stephanie R., Schmidt, Georg, Demokritov, Sergej O., Demidov, Vladislav E.

“…Spin-wave-based transmission and processing of information is a promising emerging nanotechnology that can help overcome limitations of traditional electronics…”
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Frequency Filtering with a Magnonic Crystal Based on Nanometer-Thick Yttrium Iron Garnet Films by Merbouche, Hugo, Collet, Martin, Evelt, Michael, Demidov, Vladislav E, Prieto, José Luis, Muñoz, Manuel, Ben Youssef, Jamal, de Loubens, Grégoire, Klein, Olivier, Xavier, Stéphane, D’Allivy Kelly, Olivier, Bortolotti, Paolo, Cros, Vincent, Anane, Abdelmadjid, Demokritov, Sergej O

“…Magnonics rely on the wave nature of the magnetic excitations to process information, an approach that is common to many fields such as photonics, phononics,…”
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Neuroimaging of a minipig model of Huntington's disease: Feasibility of volumetric, diffusion-weighted and spectroscopic assessments by Schubert, Robin, Frank, Frauke, Nagelmann, Nina, Liebsch, Lennart, Schuldenzucker, Verena, Schramke, Sarah, Wirsig, Maike, Johnson, Hans, Kim, Eun Young, Ott, Stefanie, Hölzner, Eva, Demokritov, Sergej O., Motlik, Jan, Faber, Cornelius, Reilmann, Ralf

“…•Large animal models such as minipigs provide new options for research in HD.•Their long lifespan resembles human HD calling for sensitive phenotype…”
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Polarization of Electromagnetic and Spin Waves in Metallic Slab by Perov, Dmitry V., Rinkevich, Anatoly B., Nemytova, Olga V., Demokritov, Sergej O.

“…We have considered theoretically the eigenmodes as well as forced electromagnetic and spin waves in ferromagnetic metallic slabs for different boundary…”
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Micro-Brillouin Light Scattering Spectroscopy of Magnetic Nanostructures by Demokritov, S.O., Demidov, V.E.

“…We describe a new technique, micro-Brillouin light scattering spectroscopy, for investigation of spin wave dynamics in magnetic nanostructures. The technique…”
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Excitation of microwaveguide modes by a stripe antenna by Demidov, Vladislav E., Kostylev, Mikhail P., Rott, Karsten, Krzysteczko, Patryk, Reiss, Guenter, Demokritov, Sergej O.

“…We have studied experimentally the excitation of propagating spin-wave modes of a microscopic Permalloy-film waveguide by a stripe antenna. We show that due to…”
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Observation of the chaotic spin-wave soliton trains in magnetic films by Ustinov, Alexey B, Demidov, Vladislav E, Kondrashov, Alexander V, Kalinikos, Boris A, Demokritov, Sergej O

“…The transition from stationary to chaotic spin-wave soliton trains has been observed. The experiment utilized cw excitation of envelope solitons through…”
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Control of spin-wave phase and wavelength by electric current on the microscopic scale by Demidov, Vladislav E., Urazhdin, Sergei, Demokritov, Sergej O.

“…We demonstrate experimentally the ability to control by electric current the phase and the wavelength of spin waves propagating in submicrometer magnetic…”
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Spin-wave eigenmodes of a saturated magnetic square at different precession angles by Demidov, Vladislav E, Hansen, Ulf-Hendrik, Demokritov, Sergej O

“…Using low-loss dielectric magnetic films in combination with space-resolved Brillouin light scattering spectroscopy we have studied nonlinear modification of…”
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High-Resolution Magneto-Optical Kerr-Effect Spectroscopy of Magnon Bose-Einstein Condensate by Dzyapko, Oleksandr, Nowik-Boltyk, Patrik, Koene, Benny, Demidov, Vladislav E., Jersch, Johann, Kirilyuk, Andrei, Rasing, Theo, Demokritov, Sergej O.

“…Using a novel heterodyne magneto-optical Kerr-effect technique, we have studied the spectral characteristics of a room-temperature magnon Bose-Einstein…”
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Spin-wave eigenmodes of permalloy squares with a closure domain structure by Perzlmaier, Korbinian, Buess, Matthias, Back, Christian H, Demidov, Vladislav E, Hillebrands, Burkard, Demokritov, Sergej O

“…Quantized spin-wave eigenmodes in single, 16 nm thick and 0.75 to 4 mum wide square permalloy islands with a fourfold closure domain structure have been…”
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