منابع مشابه
Room-Temperature Ballistic Nanodevices
One of the most important physical parameters to describe the quality of a piece of semiconductor material is the electron scattering length le. Also referred to as the mean-free path, it stands for the average distance between the randomly distributed scatterers in the material, such as lattice defects, impurities, and phonons. The electron mean-free path is typically a few nanometers (1 nm = ...
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Reduction of nitrobenzene, 4-ethyl nitrobenzene, 4-isopropyl nitrobenzene, 4-nitro 1-phenyl acetate, acetophenone, with CuCl2/MeOH/NaBH4 provided hydrogenated products in quantitative yields. In order to evaluate the best catalytic systems various transition metal catalysts were examined for the first time and CuCl2 catalysts was superactive system. And a solvent system was also studied with me...
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We report on the observation of coherent electronic wave-packet oscillations in a semiconductor heterostructure at room temperature. Bloch oscillations are excited in a wide-miniband GaAs/Al0.3GaO.7As superlattice by femtosecond laser pulses. Several cycles of the coherent electronic motion are observed within the dephasing time of the intraband polarization. The frequency can be tuned by the a...
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ژورنال
عنوان ژورنال: Nature Photonics
سال: 2016
ISSN: 1749-4885,1749-4893
DOI: 10.1038/nphoton.2016.85