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Cornell University

Daniel Ralph Group

Publications

2014

Macrospin modeling of sub-ns pulse switching of perpendicularly magnetized free layer via spin-orbit torques for cryogenic memory applications

Park J, Rowlands GE, Lee OJ, Ralph DC, Buhrman R. Macrospin modeling of sub-ns pulse switching of perpendicularly magnetized free layer via spin-orbit torques for cryogenic memory applications. AIP Publishing. 2014;105(10).

Single layer graphene as an electrochemical platform

Ritzert NL, Li W, Tan C, Rodríguez-Calero GG, Rodríguez-López J, Hernández-Burgos K, et al. Single layer graphene as an electrochemical platform. Royal Society of Chemistry (RSC). 2014;172:27-45, .

Spin-transfer torque generated by a topological insulator

Mellnik AR, Lee JS, Richardella A, Grab JL, Mintun PJ, Fischer MH, et al. Spin-transfer torque generated by a topological insulator. Springer Science and Business Media LLC. 2014;511(7510):449-451, .

Magnetic tunnel junctions with single-layer-graphene tunnel barriers

Li W, Xue L, Abruña HD, Ralph DC. Magnetic tunnel junctions with single-layer-graphene tunnel barriers. American Physical Society (APS). 2014;89(18).

Control of propagating spin waves via spin transfer torque in a metallic bilayer waveguide

An K, Birt DR, Pai CF, Olsson K, Ralph DC, Buhrman R, et al. Control of propagating spin waves via spin transfer torque in a metallic bilayer waveguide. American Physical Society (APS). 2014;89(14).

Enhancement of perpendicular magnetic anisotropy and transmission of spin-Hall-effect-induced spin currents by a Hf spacer layer in W/Hf/CoFeB/MgO layer structures

Pai CF, Nguyen MH, Belvin C, Vilela-Leão LH, Ralph DC, Buhrman R. Enhancement of perpendicular magnetic anisotropy and transmission of spin-Hall-effect-induced spin currents by a Hf spacer layer in W/Hf/CoFeB/MgO layer structures. AIP Publishing. 2014;104(8).

Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect

Lee OJ, Liu LQ, Pai CF, Li Y, Tseng HW, Gowtham PG, et al. Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect. American Physical Society (APS). 2014;89(2).

2013

Fast deterministic switching in orthogonal spin torque devices via the control of the relative spin polarizations

Park J, Ralph DC, Buhrman R. Fast deterministic switching in orthogonal spin torque devices via the control of the relative spin polarizations. AIP Publishing. 2013;103(25).

Transient absorption and photocurrent microscopy show that hot electron supercollisions describe the rate-limiting relaxation step in graphene

Graham MW, Shi SF, Wang Z, Ralph DC, Park J, McEuen PL. Transient absorption and photocurrent microscopy show that hot electron supercollisions describe the rate-limiting relaxation step in graphene. Nano Letters. 2013;13(11):5497-5502, .

Observation and spectroscopy of a two-electron Wigner molecule in an ultraclean carbon nanotube

Pecker S, Kuemmeth F, Secchi A, Rontani M, Ralph DC, McEuen PL, et al. Observation and spectroscopy of a two-electron Wigner molecule in an ultraclean carbon nanotube. Nature Physics. 2013;9(9):576-581, .