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Forschungszentrum Jülich GmbH Wilhelm-Johnen-Straße 52428 Jülich, Germany http://www.fz-juelich.de
Contact Ms Angela Wenzik +49 2461 616048
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Forschungszentrum Jülich GmbH

Optische Kontrolle des Magnetismus

Internationales Forscherteam misst magnetische Schaltvorgänge im Femtosekundenbereich und beantwortet grundlegende Frage des Magnetismus

(PresseBox) (Jülich / Kaiserslautern, )
Magnetische Schaltvorgänge bilden die Grundlage der Informationsverarbeitung und -speicherung. Magnetische Medien speichern Daten in winzigen magnetischen Bereichen, die bisher meist durch Magnetpulse eingeschrieben werden. Lichtpulse könnten diese Aufgabe wesentlich schneller erledigen. Solche Pulse lassen sich heute schon mit einer Dauer von weniger als einer Billionstel Millisekunde (10-15 Sekunden) herstellen. Einen entscheidenden Beitrag zum besseren Verständnis, wie sich magneto-optisches Schalten kontrollieren lässt, liefert nun ein internationales Forscherteam. Die Physiker des Forschungszentrums Jülich, des Forschungszentrums OPTIMAS in Kaiserslautern sowie der Universität von Colorado und des National Institut of Standards and Technology im US-amerikanischen Boulder berichten davon in der aktuellen Ausgabe der renommierten Ffusegcxiannezi "GJFW".

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