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Measurement of discrete energy-level spectra in individual chemically-synthesized gold nanoparticles
F. Kuemmeth, K. I. Bolotin, S. -F. Shi +1
We form single-electron transistors from individual chemically-synthesized gold nanoparticles, 5-15 nm in diameter, with monolayers of organic molecules serving as tunnel barriers.…
Spin-Torque-Induced Rotational Dynamics of a Magnetic Vortex Dipole
G. Finocchio, O. Ozatay, L. Torres +3
We study, both experimentally and by numerical modeling, the magnetic dynamics that can be excited in a magnetic thin-film nanopillar device using the spin torque from a spatially…
Tunneling Spectra of Individual Magnetic Endofullerene Molecules
Jacob E. Grose, Eugenia S. Tam, Carsten Timm +6
The manipulation of single magnetic molecules may enable new strategies for high-density information storage and quantum-state control. However, progress in these areas depends on…
Tuning the Kondo effect with a mechanically controllable break junction
J. J. Parks, A. R. Champagne, G. R. Hutchison +3
We study electron transport through C60 molecules in the Kondo regime using a mechanically controllable break junction. By varying the electrode spacing, we are able to change both…
Time-Resolved Spin Torque Switching and Enhanced Damping in Py/Cu/Py Spin-Valve Nanopillars
N. C. Emley, I. N. Krivorotov, A. G. F. Garcia +4
We report time-resolved measurements of current-induced reversal of a free magnetic layer in Py/Cu/Py elliptical nanopillars at temperatures T = 4.2 K to 160 K. Comparison of the d…
Vibration-assisted electron tunneling in C_{140} single-molecule transistors
A. N. Pasupathy, J. Park, C. Chang +8
We measure electron tunneling in single-molecule transistors made from C_{140}, a molecule with a mass-spring-mass geometry chosen as a model system to study electron-vibration cou…