Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Dumas, R. K."'
Autor:
Houshang, A., Khymyn, R., Dvornik, M., Haidar, M., Etesami, S. R., Ferreira, R., Freitas, P. P., Dumas, R. K., Åkerman, J.
Short wave-length exchange-dominated propagating spin waves will enable magnonic devices to operate at higher frequencies and higher data transmission rates.1 While GMR based magnetic nano-contacts are highly efficient injectors of propagating spin w
Externí odkaz:
http://arxiv.org/abs/1712.00954
Autor:
Fazlali, Masoumeh, Dvornik, Mykola, Iacocca, Ezio, Dürrenfeld, Philipp, Haidar, Mohammad, Åkerman, Johan, Dumas, R. K.
This work provides a detailed investigation of the measured in-plane field-swept homodyne-detected ferromagnetic resonance (FMR) spectra of an extended Co/Cu/NiFe pseudo spin valve stack using a nanocontact (NC) geometry. The magnetodynamics are gene
Externí odkaz:
http://arxiv.org/abs/1604.01389
Spin transfer torque (STT) affords magnetic nanodevices the potential to act as memory, computing, and microwave elements operating at ultra-low currents and at a low energy cost. Spin transfer torque is not only effective in manipulating well-known
Externí odkaz:
http://arxiv.org/abs/1404.3281
Autor:
Nguyen, T. N. Anh, Knut, R., Fallahi, V., Chung, S., Mohseni, S. M., Le, Q. Tuan, Karis, O., Peredkov, S., Dumas, R. K., Miller, Casey W., Akerman, J.
Publikováno v:
Phys. Rev. Applied 2, 044014 (2014)
We report on the magnetization depth profile of a hybrid exchange spring system in which a Co/Pd multilayer with perpendicular anisotropy is coupled to a CoFeB thin film with in-plane anisotropy. The competition between these two orthogonal anisotrop
Externí odkaz:
http://arxiv.org/abs/1312.0878
Publikováno v:
Appl. Phys. Lett. 103, 022409 (2013)
We have observed distinct temperature-dependent magnetization reversal modes in a perpendicular (Co/Pd)4/Co/Cu/(Co/Ni)4/Co pseudo-spin-valve, which are correlated with spin-transport properties. At 300 K, magnetization reversal occurs by vertically c
Externí odkaz:
http://arxiv.org/abs/1307.0853
Autor:
de Lara, D. Perez, Castano, F. J., Ng, B. G., Korner, H. S., Dumas, R. K., Gonzalez, E. M., Liu, Kai, Ross, C. A., Schuller, Ivan K., Vicent, J. L.
Publikováno v:
Physical Review B 80, 224510 (2009)
A ratchet effect (the rectification of an ac injected current) which is purely magnetic in origin has been observed in a superconducting-magnetic nanostructure hybrid. The hybrid consists of a superconducting Nb film in contact with an array of nanos
Externí odkaz:
http://arxiv.org/abs/0912.3193
Publikováno v:
IEEE Magnetics Letters, 1 , 2500104 (2010)
We demonstrate pseudo spin valves with a (112)-textured DO_22 MnGa (MnGa) tilted magnetization fixed layer and an in-plane CoFe free layer. Single D0_22 MnGa films exhibit a small magnetoresistance (MR) typically observed in metals. In MnGa/Cu/ CoFe
Externí odkaz:
http://arxiv.org/abs/0911.4192
Autor:
Mohseni, S. M., Sani, S. R., Persson, J., Nguyen, T. N. Anh, Chung, S., Pogoryelov, Ye., Muduli, P. K., Iacocca, E., Eklund, A., Dumas, R. K., Bonetti, S., Deac, A., Hoefer, M. A., Åkerman, J.
Publikováno v:
Science, 2013 Mar . 339(6125), 1295-1298.
Externí odkaz:
http://dx.doi.org/10.1126/science.1230155
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Publikováno v:
Journal of Applied Physics; 2018, Vol. 123 Issue 2, p1-N.PAG, 6p