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We report the effects of oxygen doping on the electrical properties of defective metallic and semiconducting single-walled carbon nanotube bundles. Carbon vacancies are generated by electron beam knock-out process. The carbon nanotube bundles are placed on top of suspended electrodes produced on a through-hole chip. This allows a physical correlation to be established for transmission electron microscopy...
The spin orbit interaction in a carbon nanotube is probed by Kondo resonance. Spin orbit interaction lifts level degeneracy and leads to additional satellite current peaks along with the zero-bias Kondo resonance peak. From the positions of satellite peaks, the spin–orbit interaction energy Δ so is determined to be 0.38meV. In the presence of a parallel magnetic field, the satellite peaks...
A series of tunneling magnetoresistance (TMR) has been measured at various temperatures ranging from 4 K to 360 K for characterizing the electrical transport and magnetization reversal of nanostructured magnetic tunnel junctions (MTJs) with thin effective MgO barrier of 1 nm thickness and resistance-area (RA) product of 10 ????m2. MTJs with 150 250 nm2 elliptical shape were fabricated by using electron...
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