magnetic domain


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magnetic domain

[mag′ned·ik də′mān]
(solid-state physics)
References in periodicals archive ?
Concepts for information storage and logical processing based on magnetic domain walls have great potential for implementation in future information and communications technologies.
The motion of magnetic domains can be divided into reversible or irreversible movement and rotation.
During magnetization, the movement of magnetic domain walls is hindered by inhomogeneous structure in SMCs as shown in Figure 5, and the pinning effects are generated and enhanced, which need to consume more energy.
This suggests that a conventional magnetic domain pattern does not exist in each dot and that a vortex structure has been formed.
FAST Technology, Livonia, MI, has introduced a line of sensors using Embedded Magnetic Domain technology, which combines magnetic induction and electronic processing for direct torque measurement.
This breakthrough in non-contact measurement is called Embedded Magnetic Domain (EMD) Technology.
We can see a similiar magnetic domain structure in the theoretical model of ferromagnetism.
By using the same head to sense the orientation of the magnetic moment, along with sophisticated digital processing techniques to assure dependable operation, bits are stored as 0s or 1 s; a 0 corresponds to one orientation of the magnetic domain, a 1 to the opposite orientation.
That limit is imposed by the grain size required to maintain a magnetic domain, the fundamental bit of magnetism.
Arranged in plenary and oral session, young scientists session, and poster session, the 99 papers consider such topics as nanostructured and modulated low-dimensional systems, the microstructure and texture evolution in a cold-rolled high-manganese steel with microadditions of titanium and niobium, two methods of studying the structure perfection of single-crystal nickel-based superalloys, optical and scanning electron microscope studies of recycled aluminum-silicon cast alloys, a magnetic force microscopy study of magnetic domain structure in maraging steel, and changes in the structure of palladium nanograins in carbon film under the influence of hydrogen.
The magneto-optical techniques have the advantage of being able to follow a rapid magnetic domain wall motion.