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(a) SEM image of the degenerately Sb-doped (TAO) nanowires, where nanowires are only observed in Au-coated area. (b) Raman scattering spectrum of an individual TAO nanowire, inset: TEM and TEM images of an individual TAO nanowire; scale bar in HRTEM image: .
(a) Low-magnification SEM image of lots of branched TAO nanowires grown by two-step VLS growth method. (b) High-magnification SEM image of an individual branched TAO nanowire.
(a) Top view SEM image of devices fabricated for electrical transport measurement. (b) Typical curve of the TAO nanowire measured in air ambient at room temperature; inset is the curve of the individual undoped nanowire device.
(a) curve of an individual TAO nanowire device at measured in air ambient. (b) curve of an individual undoped nanowire device at .
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