Propagation of domain walls in bistable amorphous wires and microwires

The magnetization process of bistable amorphous wires and microwires occurs by a single Barkhausen jump that is ascribed to the propagation of a domain wall along the wire. Recent results on wall propagation are here introduced for both kind of wires. Two experiments are performed based on the class...

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Bibliographic Details
Published in:Journal of non-crystalline solids 2001-07, Vol.287 (1), p.370-373
Main Authors: Puerta, Sergio, Cortina, Daniel, Garcı́a-Miquel, H., Chen, D.-X., Vázquez, Manuel
Format: Article
Language:English
Subjects:
Amorphous and nanocrystalline magnetic materials
quasicrystals
Amorphous and quasicrystalline magnetic materials
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Domain effects, magnetization curves, and hysteresis
Domain walls and domain structure
Exact sciences and technology
Magnetic properties and materials
Magnetization curves, hysteresis, Barkhausen and related effects
Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects
Physics
Studies of specific magnetic materials
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Summary:The magnetization process of bistable amorphous wires and microwires occurs by a single Barkhausen jump that is ascribed to the propagation of a domain wall along the wire. Recent results on wall propagation are here introduced for both kind of wires. Two experiments are performed based on the classical Sixtus–Tonks method, exciting by alternate homogeneous field and locally under a static field. Velocity and damping characteristics of the propagation wall are obtained.
ISSN:0022-3093
1873-4812
DOI:10.1016/S0022-3093(01)00600-7