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Coupling of Spin and Orbital Motion of Electrons in Carbon Nanotubes
F. Kuemmeth, S. Ilani, D. C. Ralph +1
Electrons in atoms possess both spin and orbital degrees of freedom. In non-relativistic quantum mechanics, these are independent, resulting in large degeneracies in atomic spectra…
Band Structure, Phonon Scattering and the Ultimate Performance of Single-Walled Carbon Nanotube Transistors
Xinjian Zhou, Ji-Yong Park, Shaoming Huang +2
Semiconducting single-walled carbon nanotubes are studied in the diffusive transport regime. The peak mobility is found to scale with the square of the nanotube diameter and invers…
A tunable carbon nanotube electromechanical oscillator
Vera Sazonova, Yuval Yaish, Hande Ustunel +3
Nanoelectromechanical systems (NEMs) hold promise for a number of scientific and technological applications. In particular, NEMs oscillators have been proposed for use in ultrasens…
Measuring electron orbital magnetic moments in carbon nanotubes
E. D. Minot, Yuval Yaish, Vera Sazonova +1
The remarkable transport properties of carbon nanotubes (NTs) are determined by their unique electronic structure (1). The electronic states of a NT form one-dimensional electron a…
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…
Electrical Nanoprobing of Semiconducting Carbon Nanotubes using an Atomic Force Microscope
Y. Yaish, J. -Y. Park, S. Rosenblatt +3
We use an Atomic Force Microscope (AFM) tip to locally probe the electronic properties of semiconducting carbon nanotube transistors. A gold-coated AFM tip serves as a voltage or c…