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Single-atom devices

Quantum engineering

A series of breakthroughs is making the fabrication of single-atom devices possible. Their behaviour is controlled by the quantum state of single dopants, and they hold promise for applications such as quantum bits, magnetometers and memories.

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Figure 1: Single-atom transistor.
Figure 2: Antiferromagnetic chain functioning as a bit.


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Correspondence to Joaquin Fernández Rossier.

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Fernández Rossier, J. Quantum engineering. Nature Mater 12, 480–481 (2013).

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