Zobrazeno 1 - 10
of 584
pro vyhledávání: '"Tinkham, M."'
Publikováno v:
Nature Nanotechnology 1, 208 - 213 (2006)
The controlled growth of nanowires (NWs) with dimensions comparable to the Fermi wavelengths of the charge carriers allows fundamental investigations of quantum confinement phenomena. Here, we present studies of proximity-induced superconductivity in
Externí odkaz:
http://arxiv.org/abs/cond-mat/0612167
Autor:
Yin, Y., Walsh, A. G., Vamivakas, A. N., Cronin, S., Stolyarov, A. M., Tinkham, M., Bacsa, W., Unlu, M. S., Goldberg, B. B., Swan, A. K.
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics, Vol. 12, No. 6, pp. 1083, November/December 2006
We perform tunable resonant Raman scattering on 17 semiconducting and 7 metallic singly resonant single wall carbon nanotubes. The measured scattering cross-section as a function laser energy provides information about a tube's electronic structure,
Externí odkaz:
http://arxiv.org/abs/cond-mat/0606047
Autor:
Valenzuela, Sergio O., Tinkham, M.
Publikováno v:
Nature 442, 176 (2006)
The generation, manipulation and detection of spin-polarized electrons in nanostructures define the main challenges of spin-based electronics[1]. Amongst the different approaches for spin generation and manipulation, spin-orbit coupling, which couple
Externí odkaz:
http://arxiv.org/abs/cond-mat/0605423
A mesoscopic spin valve is used to determine the effective spin polarization of electrons tunneling from and into ferromagnetic transition metals at finite voltages. The tunneling spin polarization from the ferromagnet (FM) slowly decreases with bias
Externí odkaz:
http://arxiv.org/abs/cond-mat/0407489
Autor:
Crankshaw, D. S., Segall, K., Nakada, D., Orlando, T. P., Levitov, L. S., Lloyd, S., Valenzuela, S. O., Markovic, N., Tinkham, M., Berggren, K. K.
Publikováno v:
Phys. Rev. B 69, 144518 (2004)
DC measurements are made in a superconducting, persistent current qubit structure with a time-ordered meter. The persistent-current qubit has a double-well potential, with the two minima corresponding to magnetization states of opposite sign. Macrosc
Externí odkaz:
http://arxiv.org/abs/cond-mat/0311458
Autor:
Drndic, M., Markov, R., Jarosz, M. V., Bawendi, M. G., Kastner, M. A., Markovic, N., Tinkham, M.
A novel method to image charge is used to measure the diffusion coefficient of electrons in films of CdSe nanocrystals at room temperature. This method makes possible the study of charge transport in films exhibiting high resistances or very small di
Externí odkaz:
http://arxiv.org/abs/cond-mat/0305684
Autor:
Segall, K., Crankshaw, D., Nakada, D., Orlando, T. P., Levitov, L. S., Lloyd, S., Markovic, N., Valenzuela, S. O., Tinkham, M., Berggren, K. K.
Publikováno v:
Phys. Rev. B 67, 220506 (2003)
Measurements of thermal activation are made in a superconducting, niobium Persistent-Current (PC) qubit structure, which has two stable classical states of equal and opposite circulating current. The magnetization signal is read out by ramping the bi
Externí odkaz:
http://arxiv.org/abs/cond-mat/0302553
AFM manipulation was used to controllably stretch individual metallic single-walled carbon nanotubes (SWNTs). We have found that SWNTs can sustain elongations as great as 30% without breaking. Scanned gate microscopy and transport measurements were u
Externí odkaz:
http://arxiv.org/abs/cond-mat/0210420
We discuss electron transport in individual nanometer-scale metallic grains at dilution refrigerator temperatures. In the weak coupling regime, the grains exhibit Coulomb blockade and discrete energy levels. Electron-electron interactions lead to clu
Externí odkaz:
http://arxiv.org/abs/cond-mat/0202372
We have measured the resistance vs. temperature of more than 20 superconducting nanowires with nominal widths ranging from 10 to 22 nm and lengths from 100 nm to 1050 nm. With decreasing cross-sectional areas, the wires display increasingly broad res
Externí odkaz:
http://arxiv.org/abs/cond-mat/0110002