Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Rippard, William"'
Autor:
Talatchian, Philippe, Daniels, Matthew W., Madhavan, Advait, Pufall, Matthew R., Jué, Emilie, Rippard, William H., McClelland, Jabez J., Stiles, Mark D.
Publikováno v:
Phys. Rev. B 104, 054427 (2021)
Superparamagnetic tunnel junctions (SMTJs) are promising sources for the randomness required by some compact and energy-efficient computing schemes. Coupling SMTJs gives rise to collective behavior that could be useful for cognitive computing. We use
Externí odkaz:
http://arxiv.org/abs/2106.03604
Autor:
Baek, Burm, Rippard, William H., Pufall, Matthew R., Benz, Samuel P., Russek, Stephen E., Rogalla, Horst, Dresselhaus, Paul D.
Publikováno v:
Phys. Rev. Appl. 3 (2015) 011001
The combination of superconducting and magnetic materials to create novel superconducting devices has been motivated by the discovery of Josephson critical current (Ics) oscillations as a function of magnetic layer thickness and the demonstration of
Externí odkaz:
http://arxiv.org/abs/1410.4529
Publikováno v:
Nat. Commun. 5 (2014) 3888
Superconducting devices, which rely on modulating a complex superconducting order parameter in a Josephson junction, have been developed for low power logic operations, high-frequency oscillators, and exquisite magnetic field sensors. Magnetic device
Externí odkaz:
http://arxiv.org/abs/1310.2201
We have measured the relaxation time of a thermally unstable ferromagnetic nanoparticle incorporated into a magnetic tunnel junction (MTJ) as a function of applied magnetic field, voltage V (-0.38 V < V < +0.26 V), and temperatures (283 K< T< 363 K)
Externí odkaz:
http://arxiv.org/abs/1107.5007
Autor:
Rippard, William H., Deac, Alina M., Pufall, Matthew R., Shaw, Justin M., Keller, Mark W., Russek, Stephen E., Bauer, Gerrit E. W., Serpico, Claudio
We have measured spin transfer-induced dynamics in magnetic nanocontact devices having a perpendicularly magnetized Co/Ni free layer and an in-plane magnetized CoFe fixed layer. The frequencies and powers of the excitations agree well with the predic
Externí odkaz:
http://arxiv.org/abs/0911.4077
Autor:
Kaka, Shehzaad, Pufall, Matthew, Rippard, William, Silva, Thomas, Russek, Stephen, Katine, Jordan, Carey, Matthew
Spin valve nanopillars are reversed via the mechanism of spin momentum transfer using current pulses applied perpendicular to the film plane of the device. The applied pulses were varied in amplitude from 1.8 mA to 7.8 mA, and varied in duration with
Externí odkaz:
http://arxiv.org/abs/cond-mat/0411363
Autor:
Pufall, Matthew R., Rippard, William H., Kaka, Shehzaad, Russek, Steven E., Silva, Thomas J., Katine, Jordan, Carey, Matt
We show that spin-polarized dc current passing through a small magnetic element induces two-state, random telegraph switching of the magnetization via the spin-momentum transfer effect. The resistances of the states differ by up to 50% of the change
Externí odkaz:
http://arxiv.org/abs/cond-mat/0404109
Autor:
Jué, Emilie, Iankevich, Gleb, Reisinger, Thomas, Hahn, Horst, Provenzano, Virgil, Pufall, Matthew R., Haygood, Ian W., Rippard, William H., Schneider, Michael L.
Publikováno v:
Journal of Applied Physics; 2/21/2022, Vol. 131 Issue 7, p1-6, 6p
Akademický článek
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Publikováno v:
Journal of Applied Physics; 2018, Vol. 124 Issue 4, pN.PAG-N.PAG, 7p, 1 Color Photograph, 1 Diagram, 1 Chart, 5 Graphs