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  • noun

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the magnetic field strength 1 cm from a unit magnetic pole

Danish physicist (1777-1851)

References in periodicals archive ?
Identification of ferromagnetic minerals in a rock by coercivity and unblocking temperature properties.
To further explore whether voltage or heating is responsible for changes to a magnet's coercivity, scientists from Tsinghua University in Beijing, China, tested three structures commonly used in magnetic memory experiments.
Figure 12b shows that the coating thickness had a pronounced effect on the coercivity of the nanoparticle samples.
The coercivity of crystalline alloys depends strongly of their size because the magnetic domain walls interact with the grain boundaries.
In approximately 15 seconds, the unit quietly erases data from hard disk drives with nominal coercivity ratings of up to 5300 Oe and magnetic tapes with nominal coercivity ratings of up to 2600 Oe.
Moreover, perpendicular recording results in the improved ability of a bit to retain its magnetic charge, a property called coercivity.
The aim was to understand the factors that influence the final grain size, which may influence properties such as coercivity and permeability in ferromagnetic materials, hardness, and corrosion resistance.
In both Alaskan and Xifeng samples (both loess and soils), the major proportion of the IRM is always carried by a low coercivity (soft) mineral fraction but they also contain hard magnetic minerals, although hard magnetisation only makes a very small contribution to the total IRM.
In MO technology, recording occurs when a laser beam heats a microscopic area of thin-film magnetic material in a track and its coercivity is reduced so that as the 1s and 0s of a bit stream pass through a write-head magnet, the polarity of the area heated by the laser beam is changed to match that of the bit stream.
All samples behaved similarly to incremental demagnetization with very little sign of low coercivity (viscous) components; one clear vector was present in most samples (TABLE 1 & FIGURE 2b) although most isolated vectors did not include the initial natural remanence determination.
Meanwhile, the ACR31 Swipe is a phone jack card reader that supports high and low coercivity magnetic stripe cards and can read tracks 1 and 2 of most ISO7810 and ISO7811-compliant cards, as well as cards compliant to JIS1 and JIS2 standards.
Similar with those by P123, the magnetic properties of Ni nanotube arrays assisted by PEG2000 show an enhanced coercivity in comparison to bulk nickel (around 0.
The Production of magnetic nanoparticles through chemical synthesis and increasing their magnetic hardness by thermal treatment may bring about large coercivity in FePt nanoparticles after thermal treatment and create strong magnetocrystalline anisotropy," Majid Farahmandjou, one of the researchers told the news service of INIC.