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Ferromagnetic Domains of Bulk Crystals - Magnetic Reversal of a (100)-FeSi Single Crystal   [Title Translation]

Ferromagnetische Bereiche massiver Kristalle - Ummagnetisierung eines (100)-FeSi-Einkristalls   [Other Title]
Anno di produzione: 1968
Genere: Documentary Film
Location: n/a

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


Parole chiave: Barkhausensprünge, Domänen, Einkristall, ferroelektrische, ferroelektrische Domänen, FeSi-Kristalle, Kerr-Effekt, Kristalle, Ummagnetisierung, Weißsche Bezirke, Barkhausen jumps, domains, ferro-electrical, Ferro-electrical domains, Kerr effect, magnetic reversal, monocrystal, Weiss domains
By means of the magneto-optic Kerr effect, Weiss domains (tiny crystal-parts) can be made visible and their changes followed as a magnetic field is set up. Simple magnetic reversal processes, caused by the displacement of Bloch walls, on the surface of a (100)-FeSi monocrystal are shown, as well as the complex processes on the face of a square monocrystal, and the linking of flow-ring systems, as saturation approaches. Another section of the film proves how the zone structure in the demagnetized state is a function of the frequency of the demagnetizing field.

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Durata: 9 1/2 min

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Version 2
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Durata: 9 1/2 min

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Version 3
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Durata: 9 1/2 min

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