Search Results - "Dvornik, M."

Long-range mutual synchronization of spin Hall nano-oscillators by Awad, A. A., Dürrenfeld, P., Houshang, A., Dvornik, M., Iacocca, E., Dumas, R. K., Åkerman, J.

“…The spin Hall effect in a non-magnetic metal with spin–orbit coupling injects transverse spin currents into adjacent magnetic layers, where the resulting spin…”
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Spin transfer torque driven higher-order propagating spin waves in nano-contact magnetic tunnel junctions by Houshang, A., Khymyn, R., Fulara, H., Gangwar, A., Haidar, M., Etesami, S. R., Ferreira, R., Freitas, P. P., Dvornik, M., Dumas, R. K., Åkerman, J.

“…Short wavelength exchange-dominated propagating spin waves will enable magnonic devices to operate at higher frequencies and higher data transmission rates…”
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Adaptively time stepping the stochastic Landau-Lifshitz-Gilbert equation at nonzero temperature: Implementation and validation in MuMax3 by Leliaert, J., Mulkers, J., De Clercq, J., Coene, A., Dvornik, M., Van Waeyenberge, B.

“…Thermal fluctuations play an increasingly important role in micromagnetic research relevant for various biomedical and other technological applications. Until…”
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Direct excitation of propagating spin waves by focused ultrashort optical pulses by Au, Y, Dvornik, M, Davison, T, Ahmad, E, Keatley, P S, Vansteenkiste, A, Van Waeyenberge, B, Kruglyak, V V

“…An all-optical experiment long utilized to image phonons excited by ultrashort optical pulses has been applied to a magnetic sample. In addition to circular…”
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Nanoscale spin wave valve and phase shifter by Au, Y., Dvornik, M., Dmytriiev, O., Kruglyak, V. V.

“…We have used micromagnetic simulations to demonstrate a method for controlling the amplitude and phase of spin waves propagating inside a magnonic waveguide…”
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Resonant microwave-to-spin-wave transducer by Au, Y., Ahmad, E., Dmytriiev, O., Dvornik, M., Davison, T., Kruglyak, V. V.

“…We use time resolved scanning Kerr microscopy and analytical and numerical calculations to demonstrate coupling of uniform global microwave field to…”
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Increase of surface hardness and substrate toughness due to migration of grain growth inhibitors in the ultrafine-grained layer during sintering of functionally graded cemented carbides by Dvornik, M.I.

“…This work is devoted to increasing the hardness of the surface and toughness of the substrate of the functionally graded hard alloy obtained from sintering the…”
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WC-5TiC-10Co hard metal alloy fabrication via mechanochemical and SPS techniques by Buravlev, I.Yu, Shichalin, O.O., Papynov, E.K., Golub, A.V., Gridasova, E.A., Buravleva, A.A., Yagofarov, V.Yu, Dvornik, M.I., Fedorets, A.N., Reva, V.P., Yudakov, A.A., Sergienko, V.I.

“…This paper presents a method for producing a hard alloy WC-5TiC-10Co with a density equal to 100% of the theoretical value, a hardness of 1484 HV, and a…”
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Propagation and scattering of spin waves in curved magnonic waveguides by Tkachenko, V. S., Kuchko, A. N., Dvornik, M., Kruglyak, V. V.

“…We report a continuous medium theory of dispersion and scattering of spin waves propagating in thin nanowire magnonic waveguides with curved regions. Assuming…”
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Spin-orbit torque-driven propagating spin waves by Fulara, H, Zahedinejad, M, Khymyn, R, Awad, A A, Muralidhar, S, Dvornik, M, Åkerman, J

“…Spin-orbit torque (SOT) can drive sustained spin wave (SW) auto-oscillations in a class of emerging microwave devices known as spin Hall nano-oscillators…”
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Long-range mutual synchronization of spin Hall nano-oscillators by Awad, A. A., Dürrenfeld, P., Houshang, A., Dvornik, M., Iacocca, E., Dumas, R. K., Åkerman, J.

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Controlling Gilbert damping in a YIG film using nonlocal spin currents by Haidar, Mohammad, Dürrenfeld, Philipp, Ranjbar, Mojtaba, Balinsky, Michael, Fazlali, Masoumeh, Dvornik, Mykola, Dumas, Randy K., Åkerman, Johan

“…We demonstrate the control of Gilbert damping in 65-nm-thick yttrium iron garnet (YIG) films using a spin-polarized current generated by a direct current…”
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Production of WC–15Co Ultrafine-Grained Hard Alloy from Powder Obtained by the Electroerosive Dispersion of VK15 Alloy Wastes in Water by Dvornik, M. I., Mikhailenko, E. A.

“…In this paper we study the possibility of producing a WC–15Co ultrafine-grained hard alloy (HA) from a powder obtained by the electroerosive dispersion (EED)…”
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Time resolved imaging of the non-linear bullet mode within an injection-locked nano-contact spin Hall nano-oscillator by Spicer, T. M., Keatley, P. S., Dvornik, M., Loughran, T. H. J., Awad, A. A., Dürrenfeld, P., Houshang, A., Ranjbar, M., Åkerman, J., Kruglyak, V. V., Hicken, R. J.

“…Time-resolved scanning Kerr microscopy (TRSKM) has been used to image precessional magnetization dynamics excited by a DC current within a nano-contact (NC)…”
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Influence of Liquid Composition and Discharge Energy on Process Productivity, Composition and Properties of Particles Produced by Electric Discharge Erosion of WC–5TiC–10Co Alloy by Dvornik, M., Burkov, A., Mikhailenko, E., Vlasova, N., Nikolenko, S., Konovalova, N.

“…Increasing the hardness and wear resistance of powder alloys and coatings through the use of ultrafine-grained powders and metastable phases is a promising way…”
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Effect of Al2O3 Additive on Ability of WC–8 Co Anode Material to Form Coating Layer Using Electrical Spark Alloying by Burkov, A. A., Dvornik, M. I., Konevtsov, L. A., Vlasova, N. M.

“…Anode materials based on WC–8 wt % Co are explored. The materials containing 1, 3, and 6 wt % Al 2 O 3 are used to deposit an electric spark coating layer on…”
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Effect of Grain Size of Tungsten Carbide in the Anode Material VK8 on the Formation of Alloyed Steel Layer 35 by Burkov, A. A., Konevtsov, L. A., Dvornik, M. I., Vlasova, N. M.

“…The influence of the grain size of tungsten carbide in tungsten-cobalt hard alloy, received as anode material for the electro-spark deposition (ESD) of steel…”
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Isolating the dynamic dipolar interaction between a pair of nanoscale ferromagnetic disks by Keatley, P S, Gangmei, P, Dvornik, M, Hicken, R J, Grollier, J, Ulysse, C

“…Dynamic dipolar interactions between spin wave eigenmodes of closely spaced nanomagnets determine the collective behavior of magnonic and spintronic…”
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Variation in Strength, Hardness, and Fracture Toughness in Transition from Medium-Grained to Ultrafine Hard Alloy by Dvornik, M. I., Zaitsev, A. V.

“…The microstructure and mechanical characteristics of the samples of medium-grained (WC‒8Co), submicron (WC–8Co–1Cr 3 C 2 ), and ultrafine (WC–8Co–0.4VC–0.4Cr 3…”
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Effect of Parameters of Electric Spark Discharge on the Physico-Chemical Characteristics of Steel 45 Surface after the ESA Electrodes Based on WC–8%Co with Chromium–Carbide Additives by Nikolenko, S. V., Burkov, A. A., Dvornik, M. I., Zaitsev, A. V., Sui, N. A.

“…— The work studies the effects of the parameters of electric spark discharge and tungsten carbide-based electrode materials on electric spark alloying using…”
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