Magnetic templating by superconducting films, disks and rings

Attapon Amthong, Simon Crampin

Research output: Contribution to journalArticle

Abstract

Dilute magnetic semiconductors (DMSs), exhibiting both semiconducting and magnetic properties, are interesting materials for novel spintronic devices. Because of the giant Zeeman effect in the paramagnetic state, non-uniform magnetic fields can manipulate the spin texture of carriers in the DMS. A tight-binding model is developed to describe the energy bands formed due to the magnetic field associated with a type-II superconducting film above a DMS layer. Magnetic flux concentrated at the edges of superconducting disks and rings above DMS layers is shown to result in edge-confined states.

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superconducting films
rings
nonuniform magnetic fields
Zeeman effect
energy bands
magnetic flux
textures
magnetic properties
magnetic fields

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Magnetic templating by superconducting films, disks and rings. / Amthong, Attapon; Crampin, Simon.

In: Journal of Physics: Conference Series, Vol. 286, No. 1, 012021, 04.04.2011.

Research output: Contribution to journalArticle

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