Vortex manipulation in a superconducting matrix with view on applications

Details Vortex manipulation in a superconducting matrix with view on applications Vortex manipulation in a superconducting matrix with view on applications

2010-05-11

arxiv.org/abs/1005.1790v1

Appl. Phys. Lett. 96, 192501 (2010)

Physics

Condensed Matter

Superconductivity

Scientific paper

We show how a single flux quantum can be effectively manipulated in a superconducting film with a matrix of blind holes. Such a sample can serve as a basic memory element, where the position of the vortex in a [k x l] matrix of pinning sites defines the desired combination of n bits of information (2^n=k*l). Vortex placement is achieved by strategically applied current and the resulting position is read-out via generated voltage between metallic contacts on the sample. Such a device can also act as a controllable source of a nanoengineered local magnetic field for e.g. spintronics applications.

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