Dan Ralph: Publications

Spin-Transfer Effects in Nanoscale Tunnel Junctions, G. D. Fuchs, N. C. Emley, I. N. Krivorotov, P. M. Braganca, E. M. Ryan, S. I. Kiselev, J. C. Sankey, D. C. Ralph, R. A. Buhrman, and J. A. Katine, submitted to Appl. Phys. Lett. (cond-mat/0404002).

Temperature dependence of spin-transfer-induced switching of nanomagnets, I. N. Krivorotov, N. C. Emley, A. G. F. Garcia, J. C. Sankey, S. I. Kiselev, D. C. Ralph and R. A. Buhrman, submitted to Phys. Rev. Lett. (cond-mat/0404003).

Current-Induced Nanomagnet Dynamics for Magnetic Fields Perpendicular to the Sample Plane, S. I. Kiselev, J. C. Sankey, I. N. Krivorotov, N. C. Emley, M. Rinkoski, C. Perez, R. A. Buhrman and D. C. Ralph, submitted to Phys. Rev. Lett. (cond-mat/0403100).

Transistor Action in a Molecular-Electronics Geometry, Without Molecules, Jacob E. Grose, Burak Ulgut, Abhay N. Pasupathy, Héctor D. Abruña, and D. C. Ralph, submitted to Nano Lett.

Vibration-assisted electron tunneling in C140 single-molecule transistors, A. N. Pasupathy, J. Park, C. Chang, A. V. Soldatov, S. Lebedkin, R. C. Bialczak, J. E. Grose, L. A. K. Donev, J. P. Sethna, D. C. Ralph, and Paul. L. McEuen, submitted to Phys. Rev. Lett. (cond-mat/0311150).

Metal-nanoparticle single-electron transistors fabricated using electromigration, K.I. Bolotin, F. Kuemmeth, A. N. Pasupathy, and D. C. Ralph, submitted to Appl. Phys. Lett. (cond-mat/0310594).

Microwave oscillations of a nanomagnet driven by a spin-polarized current, S. I. Kiselev, J. C. Sankey, I. N. Krivorotov, N. C. Emley, R. J. Schoelkopf, R. A. Buhrman, and D. C. Ralph, Nature, 425, 380 (2003).

30 nm Channel Length Pentacene Transistors, Y. Zhang, J. R. Petta, S. Ambily, Y. Shen, G. G. Malliaras, and D. C. Ralph, Adv. Mater., 15, 1632 (2003).

Nanometer-scale Scanning Sensors Fabricated Using Stencil Lithography, A. R. Champagne, A. J. Couture, F. Kuemmeth, and D. C. Ralph, Appl. Phys. Lett., 82, 1111 (2003).

Using single quantum states as spin filters to study spin polarization in ferromagnets, Mandar M. Deshmukh and D. C. Ralph, Phys. Rev. Lett., 89, 266803 (2002).

Quantitative study of magnetization reversal by spin-polarized current in magnetic multilayer nanopillars, F. J. Albert, N. C. Emley, E. B. Myers, D. C. Ralph, and R. A. Buhrman, Phys. Rev. Lett., 89, 266802 (2002).

Thermally Activated Magnetic Reversal Induced by a Spin-Polarized Current, E. B Myers, F. J. Albert, J. C. Sankey, E. Bonet, R. A. Buhrman, and D. C. Ralph, Phys. Rev. Lett., 89, 196801 (2002).

Measurements of strongly-anisotropic g-factors for spins in single quantum states, J. R. Petta and D. C. Ralph, Phys. Rev. Lett., 89, 156802 (2002).

Coulomb Blockade and the Kondo Effect in Single Atom Transistors, Jiwoong Park, Abhay N. Pasupathy, Jonas I. Goldsmith, Connie Chang, Yuval Yaish, Jason R. Petta, Marie Rinkoski, James P. Sethna, Héctor D. Abruña, Paul. M. McEuen, and D. C. Ralph, Nature, 417, 722 (2002).

Equilibrium and non-Equilibrium Electron Tunneling via Discrete Quantum States, Mandar M. Deshmukh, Edgar Bonet Orozco, A. N. Pasupathy, and D. C. Ralph, Phys. Rev. B, 65, 073301 (2002).

Solving rate equations for electron tunneling via discrete quantum states, Edgar Bonet, Mandar M. Deshmukh, and D. C. Ralph, Phys. Rev. B, 65, 045317 (2002).

Studies of Spin-Orbit Scattering in Noble-Metal Nanoparticles Using Energy Level Tunneling Spectroscopy, J. R. Petta and D. C. Ralph, Phys. Rev. Lett., 87, 266801 (2001).

Magnetic Anisotropy Variations and non-Equilibrium Tunneling in a Cobalt Nanoparticle, M. M. Deshmukh, S. Kleff, S. Guéron, E. Bonet, A. N. Pasupathy, J. von Delft, and D. C. Ralph, Phys. Rev. Lett. 87, 226801 (2001).

A Model for Ferromagnetic Nanograins with Discrete Electronic States, Silvia Kleff, Jan von Delft, Mandar M. Deshmukh, and D. C. Ralph, Phys. Rev. B, Rapid Communications 64, 220401 (2001).

Spectroscopy of Discrete Energy Levels in Ultrasmall Metallic Grains, Jan von Delft and D. C. Ralph, Physics Reports 345, 61 (2001).

Measurements of Discrete Electronic States in a Gold Nanoparticle Using Tunnel Junctions Formed from Self-Assembled Monolayers, Jason R. Petta, D. G. Salinas, and D. C. Ralph, Applied Physics Letters 77, 4419 (2000).

Spin-polarized current switching of a Co thin film nanomagnet, F. J. Albert, J. A. Katine, R. A. Buhrman, and D. C. Ralph, Applied Physics Letters 77, 3809 (2000).

The Role of Spin-Dependent Interface Scattering in Generating Current-Induced Torques in Magnetic Multilayers, Xavier Waintal, Edward B. Myers, Piet W. Brouwer, and D. C. Ralph, Phys. Rev. B 62,12317 (2000).

Point-Contact Studies of Current-Controlled Domain Switching in Magnetic Multilayers, E. B. Myers, D. C. Ralph, J. A. Katine, F. J. Albert, and R. A. Buhrman, J. Appl. Phys. 87, 5502 (2000).

Current-Driven Magnetization Reversal and Spin Wave Excitations in Co/Cu/Co Pillars, J. A. Katine, F. J. Albert, R. A. Buhrman, E. B. Myers, and D. C. Ralph, Phys. Rev. Lett. 84, 3149 (2000).

Electron Energy Levels in Superconducting and Magnetic Nanoparticles, D. C. Ralph, S. Guéron, C. T. Black, and M. Tinkham, Physica B 280, 420 (2000).

Tunneling via Individual Electronic States in Ferromagnetic Nanoparticles, S. Guéron, Mandar M. Deshmukh, E. B. Myers, and D. C. Ralph, Phys. Rev. Lett. 83, 4148 (1999).

Dephasing in Metals by Two-Level Systems in the 2-Channel-Kondo Regime A. Zawadowski, Jan von Delft and D. C. Ralph, Phys. Rev. Lett. 83, 2632 (1999).

Nanofabrication Using a Stencil Mask, Mandar M. Deshmukh, D. C. Ralph, M. Thomas, and J. Silcox, Appl. Phys. Lett., 75, 1631 (1999).

Current-Induced Switching of Domains in Magnetic Multilayer Devices, E. B. Myers, D. C. Ralph, J. A. Katine, R. N. Louie, and R. A. Buhrman, Science, 285, 867 (1999).

Effects of Spin-Orbit Interactions on Tunneling via Discrete Energy Levels in Metal Nanoparticles, D. G. Salinas, S. Gueron, D. C. Ralph, C. T. Black, and M. Tinkham, Phys. Rev. B 60, 6137 (1999).

Paramagnetic Breakdown of Superconductivity in Ultrasmall Metallic Grains, Fabian Braun, Jan von Delft, D. C. Ralph, and M. Tinkham, Phys. Rev. Lett. 79, 921 (1997).

Conference Commentary on the Adriatico Research Conference on 'Superconductivity, Andreev Reflection, and Proximity Effect in Mesoscopic Structures', D. C. Ralph and V. Ambegaokar, Comments on Condensed Matter Physics 18.

The 2-Channel Kondo Model I: Review of Experimental Evidence for its Realization in Metal Nanoconstrictions, Jan von Delft, D. C. Ralph, R. A. Buhrman, A.W.W. Ludwig, and V. Ambegaokar, Ann. of Physics 263, 1 (1998).

Gate-Voltage Studies of Discrete Electronic States in Aluminum Nanoparticles, D. C. Ralph, C. T. Black, and M. Tinkham, Phys. Rev. Lett. 78, 4087 (1997).

Ultrasmall Superconductors, D. C. Ralph, C. T. Black, J. M. Hergenrother, J. G. Lu, and M. Tinkham, in Mesoscopic Electron Transport, page 447, edited by L. L. Sohn, L. P. Kouwenhoven, and G. Schon (Kluwer Academic Publishers, Dordrecht, The Netherlands, 1997).

Chaos, Interactions, and Nonequilibrium Effects in the Tunneling Resonance Spectra of Small Metallic Particles, Oded Agam, Ned. S. Wingreen, Boris L. Altshuler, D. C. Ralph, and M. Tinkham, Phys. Rev. Lett. 78, 1956 (1997).

Using Neutral Metastable Argon Atoms and Contamination Lithography to Form Nanostructures in Silicon, Silicon Dioxide, and Gold, K. S. Johnson, K. K. Berggren, A. Black, C. T. Black, A. P. Chu, N. H. Dekker, D. C. Ralph, J. H. Thywissen, R. Younkin, M. Prentiss, M. Tinkham, and G. M. Whitesides, Appl. Phys. Lett. 69, 2773 (1996).

Spectroscopy of the Superconducting Gap in Individual Nanometer-Scale Aluminum Particles, C. T. Black, D. C. Ralph, and M. Tinkham, Phys. Rev. Lett. 76, 688 (1996).

Studies of Electron Energy Levels in Single Metal Particles, D. C. Ralph, C. T. Black, and M. Tinkham, Physica B 218, 258 (1996).

Spectroscopic Measurements of Discrete Electronic States in Single Metal Particles, D. C. Ralph, C. T. Black, and M. Tinkham, Phys. Rev. Lett. 74, 3241 (1995).

Photon-Activated Switch Behavior in the Single-Electron Transistor with a Superconducting Island, J. M. Hergenrother, J. G. Lu, M. T. Tuominen, D. C. Ralph, and M. Tinkham, Phys. Rev. B, Rapid Communications 51, 9407 (1995).

Kondo Scattering from Atomic Two-Level Tunneling Systems in Metals: Enhanced Conductance, Critical-Bias Transitions, and the Non-Fermi-Liquid Electronic State, D. C. Ralph and R. A. Buhrman, Phys. Rev. B51, 3554 (1995).

Kondo-Assisted and Resonant Tunneling via a Single Charge Trap: A Realization of the Anderson Model Out of Equilibrium, D. C. Ralph and R. A. Buhrman, Phys. Rev. Lett. 72, 3401 (1994).

Nanoconstriction Microscopy, Robert Buhrman and Daniel Ralph in Physics News in 1993, supplement to APS News 3, S10 (1994).

2-Channel Kondo Scaling in Conductance Signals from 2-Level Tunneling Systems, D. C. Ralph, A.W.W. Ludwig, Jan von Delft, and R. A. Buhrman, Phys. Rev. Lett. 72, 1064 (1994), Reply to comment: Phys. Rev. Lett. 75, 770 (1995); 75, 2786 (1995) (E).

Effects of Electron Heating on Conductance Fluctuations in Mesoscopic Wires, D. C. Ralph and R. A. Buhrman, Phys. Rev. B, Rapid Communications 49, 2257 (1994).

The Impact of a Single Defect on the Conductance: Local Interference and Universal Conductance Fluctuations, K. S. Ralls, D. C. Ralph, and R. A. Buhrman, Phys. Rev. B47, 10509 (1993).

Ensemble Studies of Non-linear Conductance Fluctuations in Phase Coherent Samples, D. C. Ralph, K. S. Ralls, and R. A. Buhrman, Phys. Rev. Lett. 70, 986 (1993).

Observations of Kondo Scattering Without Magnetic Impurities: A Point Contact Study of Two-level Tunneling Systems in Metals, D. C. Ralph and R. A. Buhrman, Phys. Rev. Lett. 69, 2118 (1992).

Individual Defect Electromigration in Metal Nanobridges, K. S. Ralls, D. C. Ralph, and R. A. Buhrman, Phys. Rev. B40, 11561 (1989).

Defect Motion, Electromigration, and Conductance Fluctuations in Metal Nanoconstrictions, D. C. Ralph, K. S. Ralls, and R. A. Buhrman, in Nanostructure Physics and Fabrication, ed. M. A. Reed and W.P. Kirk, p. 453 (1989).


Last modified: April 8, 2004

Douglas E. Milton, Sr., dem8@cornell.edu