Spin-polarized electrons on demand

Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole electrons are moved, here it is a matter of manipulating a certain property of the electron, its spin. For this reason, components are needed in which electrons can be injected successively into the electron, and one must be able to manipulate the spin of the single electrons, e.g. with the aid of magnetic fields.

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<p><a href="http://www.physorg.com/news151767699.html">Spin-polarized electrons on demand</a></p> <p>Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole electrons are moved, here it is a matter of manipulating a certain property of the electron, its spin. For this reason, components are needed in which electrons can be injected successively into the electron, and one must be able to manipulate the spin of the single electrons, e.g. with the aid of magnetic fields.</p>