Spin control in heteromagnetic nanostructures

Details Spin control in heteromagnetic nanostructures Spin control in heteromagnetic nanostructures

2004-11-10

arxiv.org/abs/cond-mat/0411269v1

Physics

Condensed Matter

Materials Science

8 pages, 4 figures

Scientific paper

10.1063/1.1906322

The rapidly expanding research in Spintronics, the electronics utilizing the electron spin instead of its charge, is driven by the very interesting potential applications. The actual task is to develop principles for the spin manipulations in spintronic devices. In this Report we suggest and verify experimentally a concept of heteromagnetic semiconductor structures. It is based on spin diffusion between layers of the nanostructure with different magnetic properties and allows controlling the spin-switching rate for magnetic ions. A ten times increase of spin-lattice relaxation rate of magnetic Mn-ions is achieved in (Zn,Mn)Se/(Be,Mn)Te heteromagnetic structures with an inhomogeneous distribution of Mn-ions.

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