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Nanowire, circuit incorporating nanowire, and methods of selecting conductance of the nanowire and configuring the circuit
Nanowire, circuit incorporating nanowire, and methods of selecting conductance of the nanowire and configuring the circuit
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机译:纳米线,包含纳米线的电路以及选择纳米线电导和配置电路的方法
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摘要
A nanowire includes a single crystalline semiconductor material having an exterior surface and an interior region and at least one dopant atom. At least a portion of the nanowire thermally switches between two conductance states; a high conductance state, where a high fraction of the dopant atoms is in the interior region, and a low conductance state, where a lower fraction of the dopant atoms is at the interior region and a higher fraction of the atoms is at the exterior surface. A method to select the conductance of the nanowire increases a temperature of the nanowire at least in a local region to a programming temperature to thermally activate diffusion of a dopant atom into a bulk region of the single crystalline semiconductor material and decreases the temperature of the nanowire at least in the local region to a second temperature to immobilize dopant atoms in the bulk region, the second temperature being below the programming temperature, wherein immobilized dopant atoms in the bulk region produce a desired high or low conductance state in the nanowire. The method can be used to initially configure and to reconfigure a circuit incorporating the nanowire.
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