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- W1645252019 abstract "For the first time it was revealed, that the temperature dependent resistance R(T) of individual single Bi wires (d⩽70 nm) have “semiconductor” character. It was found that in nanowires with d<80 nm the thermopower at the absent magnetic field did not exceed 80 μV/K. “Semiconductor” conductivity of the 50 nm wire transformed into the “metallic” one under the influence of elastic deformation and magnetic field in the region of 40–4.2 K. The deformation resistance R(ξ) curve for 50 nm Bi wire at 4.2K corresponds to characteristic dependences R(ξ) of wires Bi‐0.0025 at.% Tc, at which the Fermi level EF is located near the valence band top in T‐point of the Brillouin zone. Such and “semiconductor” dependence R(T) of 50 nm Bi wire points that there is the possibility of semimetal to semiconductor transition as a result of the quantum size effect." @default.
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- W1645252019 date "2006-01-01" @default.
- W1645252019 modified "2023-09-23" @default.
- W1645252019 title "Semimetal- Semiconductor Transition in Bi Nanowires" @default.
- W1645252019 doi "https://doi.org/10.1063/1.2355246" @default.
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