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.
|Number of pages||6|
|Journal||Journal of Physics: Conference Series|
|Publication status||Published - 4 Apr 2011|
|Event||1st Condensed Matter and Materials Physics Conference, CMMP10 - Warwick, UK United Kingdom|
Duration: 14 Dec 2010 → 16 Dec 2010
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High Performance Computing (HPC) Facility
Steven Chapman (Manager)University of Bath