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Quantum Dot Transistor Could Provide Platform for Super-Compact Counters

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SÃO CARLOS, Brazil, June 22, 2017 — A transistor based on quantum dots has been developed. The device, which contains micrometric and nanometric parts, can see light, count, and store information within its own structure, removing the need for a complementary memory unit. Researchers produced the transistor by coating a crystal substrate with thin film. On this microscopic substrate, nanoscopic droplets of indium arsenide act as quantum dots, confining electrons in quantized states. Memory functionality is derived from the dynamics of electrical charging and discharging of the quantum dots, creating current patterns with...Read full article

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