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Multilevel Atomic-Scale Transistors Based on Metallic Quantum Point Contacts

Multilevel Atomic-Scale Transistors Based on Metallic Quantum Point Contacts
author:

F.-Q. Xie, R. Maul, Ch. Obermair, W. Wenzel, G. Schön, and Th. Schimmel

place:

Adv. Mater. 22, 2033

date: 2010

Multilevel logic and storage devices on the atomic scale are of great interest as they allow more efficient data storage and processing with a smaller number of logical gates. Here we demonstrate a multilevel atomic quantum transistor, allowing for the gate-controlled switching between different quantized conducting states providing a basis for the future development of novel ultra-small quantum- electronic devices.