منابع مشابه
Diameter-dependent electron mobility of InAs nanowires.
Temperature-dependent I-V and C-V spectroscopy of single InAs nanowire field-effect transistors were utilized to directly shed light on the intrinsic electron transport properties as a function of nanowire radius. From C-V characterizations, the densities of thermally activated fixed charges and trap states on the surface of untreated (i.e., without any surface functionalization) nanowires are ...
متن کاملDiameter dependence of electron mobility in InGaAs nanowires
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متن کاملSilicon nanowires prepared by electron beam evaporation in ultrahigh vacuum
One-dimensional silicon nanowires (SiNWs) were prepared by electron beam evaporation in ultrahigh vacuum (UHV). The SiNWs can be grown through either vapor-liquid-solid (VLS) or oxide-assisted growth (OAG) mechanism. In VLS growth, SiNWs can be formed on Si surface, not on SiO2 surfaces. Moreover, low deposition rate is helpful for producing lateral SiNWs by VLS. But in OAG process, SiNWs can b...
متن کاملDeformation potentials and electron-phonon coupling in silicon nanowires.
The role of reduced dimensionality and of the surface on electron-phonon (e-ph) coupling in silicon nanowires is determined from first principles. Surface termination and chemistry is found to have a relatively small influence, whereas reduced dimensionality fundamentally alters the behavior of deformation potentials. As a consequence, electron coupling to "breathing modes" emerges that cannot ...
متن کاملSignificant enhancement of hole mobility in [110] silicon nanowires compared to electrons and bulk silicon.
Utilizing sp3d5s* tight-binding band structure and wave functions for electrons and holes we show that acoustic phonon limited hole mobility in [110] grown silicon nanowires (SiNWs) is greater than electron mobility. The room temperature acoustically limited hole mobility for the SiNWs considered can be as high as 2500 cm2/V s, which is nearly three times larger than the bulk acoustically limit...
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ژورنال
عنوان ژورنال: IEEE Transactions On Nanotechnology
سال: 2007
ISSN: 1536-125X
DOI: 10.1109/tnano.2006.888521