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Ferromagnetische Bereiche massiver Kristalle - Ummagnetisierung eines (110)-FeSi-Einkristalls   [Other Title]

Ferromagnetic Domains of Bulk Crystals - Magnetic Reversal of a (110)-FeSi Single Crystal   [Title Translation]
Rok: 1968
Žánr: Documentary Film
Exteriéry: n/a

Titulky:
Production company: IWF (Göttingen)
First released by: IWF (Göttingen)
Distributor: IWF (Göttingen)
Author: Benno Passon


Klíčová slova: Barkhausensprünge, Domänen, Einkristall, ferroelektrische, ferroelektrische Domänen, Ferroelektrizität, FeSi-Kristalle, Kerr-Effekt, Kristalle, Weißsche Bezirke, Barkhausen jumps, crystals, domains, ferro-electrical, Ferro-electrical domains, ferro-electriciy, FeSi-crystals, Kerr effect, monocrystal, Weiss domains
By means of the magneto-optic Kerr effect, Weiss domains can be made visible and their change followed, as a magnetic field is set up. Simple magnetic reversal processes caused by the displacement of Bloch walls at the surface of a (110)-FeSi monocrystal are represented, with the magnetizing field indicating first parallel and then vertical to the preferred direction. The preference for the surface occurring in monocrystals with such orientation, as well as domain rearrangements without change in the overall magnetization, are shown in another part of the film.

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Minutáž: 5 1/2 min

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Minutáž: 5 1/2 min

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