Zobrazeno 1 - 10
of 767
pro vyhledávání: '"Hickey B"'
Autor:
Magni, A., Carlotti, G., Casiraghi, A., Darwin, E., Durin, G., Diez, L. Herrera, Hickey, B. J., Huxtable, A., Hwang, C. Y., Jakob, G., Kim, C., Kläui, M., Langer, J., Marrows, C. H., Nembach, H. T., Ravelosona, D., Riley, G. A., Shaw, J. M., Sokalski, V., Tacchi, S., Kuepferling, M.
Different models have been used to evaluate the interfacial Dzyaloshinskii-Moriya interaction (DMI) from the asymmetric bubble expansion method using magneto-optics. Here we investigate the most promising candidates over a range of different magnetic
Externí odkaz:
http://arxiv.org/abs/2201.04925
Autor:
Cubukcu, M., Pollath, S., Tacchi, S., Stacey, A., Darwin, E., Freeman, C. W. F., Barton, C., Hickey, B. J., Marrows, C. H., Carlotti, G., Back, C. H., Kazakova, O.
We show that magnetic skyrmions can be stabilized at room temperature in continuous Ir/Co/Pt multilayers on SiO2/Si substrate without prior application of electric current or magnetic field. While decreasing the Co thickness, tuning of the magnetic a
Externí odkaz:
http://arxiv.org/abs/2111.12634
Publikováno v:
Scientific Reports 11, 11173 (2021)
We report on the electrical transport properties of Nb based Josephson junctions with Pt/Co$_{68}$B$_{32}$/Pt ferromagnetic barriers. The barriers exhibit perpendicular magnetic anisotropy, which has the main advantage for potential applications over
Externí odkaz:
http://arxiv.org/abs/2005.00384
Autor:
Alotibi, Satam, Hickey, B. J., Teobaldi, Gilberto, Ali, Mannan, Barker, Joseph, Ramasse, Quentin, Burnell, Gavin, Alyami, Mohammed, Moorsom, Timothy, Cespedes, Oscar
Heavy metals are key to spintronics because of their high spin-orbit coupling (SOC) leading to efficient spin conversion and strong magnetic interactions. When C60 is deposited on Pt, the molecular interface is metallised and the spin Hall angle in Y
Externí odkaz:
http://arxiv.org/abs/1912.02712
Autor:
Satchell, N., Shepley, P. M., Algarni, M., Vaughan, M., Darwin, E., Ali, M., Rosamond, M. C., Chen, L., Linfield, E. H., Hickey, B. J., Burnell, G.
Publikováno v:
Appl. Phys. Lett. 116, 022601 (2020)
We demonstrate a Josephson junction with a weak link containing two ferromagnets, with perpendicular magnetic anisotropy and independent switching fields in which the critical current can be set by the mutual orientation of the two layers. Such pseud
Externí odkaz:
http://arxiv.org/abs/1911.11051
Publikováno v:
Phys. Rev. B 95, 180406 (2017)
Perpendicularly magnetized nanowires exhibit distinct domain wall types depending on the geometry. Wide wires contain Bloch walls, narrow wires N\'eel walls. Here, the transition region is investigated by direct imaging of the wall structure using hi
Externí odkaz:
http://arxiv.org/abs/1705.07586
Autor:
Cooper, J. F. K., Kinane, C. J., Langridge, S., Ali, M., Hickey, B. J., Niizeki, T., Uchida, K., Saitoh, E., Ambaye, H., Glavic, A.
We report measurements on yttrium iron garnet (YIG) thin films grown on both gadolinium gallium garnet (GGG) and yttrium aluminium garnet (YAG) substrates, with and without thin Pt top layers. We provide three principal results: the observation of an
Externí odkaz:
http://arxiv.org/abs/1703.08752
Autor:
Fang, Z., Mitra, A., Westerman, A. L., Ali, M., Ciccarelli, C., Cespedes, O., Hickey, B. J., Ferguson, A. J.
We use ferromagnetic resonance to study the current-induced torques in YIG/heavy metal bilayers. YIG samples with thickness varying from 14.8 nm to 80 nm, with Pt or Ta thin film on top, are measured by applying a microwave current into the heavy met
Externí odkaz:
http://arxiv.org/abs/1612.06111
The temperature dependence of the spin diffusion length typically reflects the scattering mechanism responsible for spin relaxation. Within non-magnetic metals it is reasonable to expect the Elliot-Yafet mechanism to play a role and thus the temperat
Externí odkaz:
http://arxiv.org/abs/1504.07515
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