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- Magnetic_hysteresis abstract "When an external magnetic field is applied to a ferromagnet such as iron, the atomic dipoles align themselves with it. Even when the field is removed, part of the alignment will be retained: the material has become magnetized. Once magnetized, the magnet will stay magnetized indefinitely. To demagnetize it requires heat or a magnetic field in the opposite direction. This is the effect that provides the element of memory in a hard disk drive.The relationship between field strength H and magnetization M is not linear in such materials. If a magnet is demagnetized (H=M=0) and the relationship between H and M is plotted for increasing levels of field strength, M follows the initial magnetization curve. This curve increases rapidly at first and then approaches an asymptote called magnetic saturation. If the magnetic field is now reduced monotonically, M follows a different curve. At zero field strength, the magnetization is offset from the origin by an amount called the remanence. If the H-M relationship is plotted for all strengths of applied magnetic field the result is a hysteresis loop called the main loop. The width of the middle section is twice the coercivity of the material.A closer look at a magnetization curve generally reveals a series of small, random jumps in magnetization called Barkhausen jumps. This effect is due to crystallographic defects such as dislocations.Magnetic hysteresis loops are not exclusive to materials with ferromagnetic ordering. Other magnetic orderings, such as spin glass ordering, also exhibit this phenomenon.".
- Magnetic_hysteresis thumbnail StonerWohlfarthMainLoop.svg?width=300.
- Magnetic_hysteresis wikiPageID "948580".
- Magnetic_hysteresis wikiPageLength "6525".
- Magnetic_hysteresis wikiPageOutDegree "39".
- Magnetic_hysteresis wikiPageRevisionID "707492703".
- Magnetic_hysteresis wikiPageWikiLink Asymptote.
- Magnetic_hysteresis wikiPageWikiLink Barkhausen_effect.
- Magnetic_hysteresis wikiPageWikiLink Category:Electromagnetism.
- Magnetic_hysteresis wikiPageWikiLink Category:Magnetism.
- Magnetic_hysteresis wikiPageWikiLink Category:Magnetostatics.
- Magnetic_hysteresis wikiPageWikiLink Category:Physical_quantities.
- Magnetic_hysteresis wikiPageWikiLink Coercivity.
- Magnetic_hysteresis wikiPageWikiLink Credit_card.
- Magnetic_hysteresis wikiPageWikiLink Crystallographic_defect.
- Magnetic_hysteresis wikiPageWikiLink Degaussing.
- Magnetic_hysteresis wikiPageWikiLink Dipole.
- Magnetic_hysteresis wikiPageWikiLink Dislocation.
- Magnetic_hysteresis wikiPageWikiLink Electromagnet.
- Magnetic_hysteresis wikiPageWikiLink Ferromagnetism.
- Magnetic_hysteresis wikiPageWikiLink Hard_disk_drive.
- Magnetic_hysteresis wikiPageWikiLink Hysteresis.
- Magnetic_hysteresis wikiPageWikiLink Iron.
- Magnetic_hysteresis wikiPageWikiLink Irreversible_process.
- Magnetic_hysteresis wikiPageWikiLink Jiles-Atherton_model.
- Magnetic_hysteresis wikiPageWikiLink Magnet.
- Magnetic_hysteresis wikiPageWikiLink Magnetic_domain.
- Magnetic_hysteresis wikiPageWikiLink Magnetic_field.
- Magnetic_hysteresis wikiPageWikiLink Magnetic_moment.
- Magnetic_hysteresis wikiPageWikiLink Magnetic_storage.
- Magnetic_hysteresis wikiPageWikiLink Magnetic_tape.
- Magnetic_hysteresis wikiPageWikiLink Magnetization.
- Magnetic_hysteresis wikiPageWikiLink Neodymium_magnet.
- Magnetic_hysteresis wikiPageWikiLink Preisach_model_of_hysteresis.
- Magnetic_hysteresis wikiPageWikiLink Remanence.
- Magnetic_hysteresis wikiPageWikiLink Saturation_(magnetic).
- Magnetic_hysteresis wikiPageWikiLink Single_domain_(magnetic).
- Magnetic_hysteresis wikiPageWikiLink Spin_glass.
- Magnetic_hysteresis wikiPageWikiLink Thermodynamics.
- Magnetic_hysteresis wikiPageWikiLink Work_hardening.
- Magnetic_hysteresis wikiPageWikiLink File:StonerWohlfarthMainLoop.svg.
- Magnetic_hysteresis wikiPageWikiLinkText "Magnetic hysteresis".
- Magnetic_hysteresis wikiPageWikiLinkText "hysteresis curve".
- Magnetic_hysteresis wikiPageWikiLinkText "hysteresis in ferromagnets".
- Magnetic_hysteresis wikiPageWikiLinkText "hysteresis loop".
- Magnetic_hysteresis wikiPageWikiLinkText "hysteresis loops".
- Magnetic_hysteresis wikiPageWikiLinkText "hysteresis".
- Magnetic_hysteresis wikiPageWikiLinkText "hysteretic".
- Magnetic_hysteresis wikiPageWikiLinkText "magnetic hysteresis loop".
- Magnetic_hysteresis wikiPageWikiLinkText "magnetic hysteresis".
- Magnetic_hysteresis wikiPageUsesTemplate Template:=.
- Magnetic_hysteresis wikiPageUsesTemplate Template:Main.
- Magnetic_hysteresis wikiPageUsesTemplate Template:Math.
- Magnetic_hysteresis wikiPageUsesTemplate Template:Reflist.
- Magnetic_hysteresis subject Category:Electromagnetism.
- Magnetic_hysteresis subject Category:Magnetism.
- Magnetic_hysteresis subject Category:Magnetostatics.
- Magnetic_hysteresis subject Category:Physical_quantities.
- Magnetic_hysteresis type Physic.
- Magnetic_hysteresis type Quantity.
- Magnetic_hysteresis comment "When an external magnetic field is applied to a ferromagnet such as iron, the atomic dipoles align themselves with it. Even when the field is removed, part of the alignment will be retained: the material has become magnetized. Once magnetized, the magnet will stay magnetized indefinitely. To demagnetize it requires heat or a magnetic field in the opposite direction.".
- Magnetic_hysteresis label "Magnetic hysteresis".
- Magnetic_hysteresis sameAs Q9691942.
- Magnetic_hysteresis sameAs Μαγνητική_υστέρηση.
- Magnetic_hysteresis sameAs Magnetiline_hüsterees.
- Magnetic_hysteresis sameAs Hystérésis_magnétique.
- Magnetic_hysteresis sameAs Histiréis_mhaighnéadach.
- Magnetic_hysteresis sameAs 자기_이력.
- Magnetic_hysteresis sameAs m.0sgfxf9.
- Magnetic_hysteresis sameAs Магнітний_гістерезис.
- Magnetic_hysteresis sameAs Q9691942.
- Magnetic_hysteresis sameAs 磁滞现象.
- Magnetic_hysteresis wasDerivedFrom Magnetic_hysteresis?oldid=707492703.
- Magnetic_hysteresis depiction StonerWohlfarthMainLoop.svg.
- Magnetic_hysteresis isPrimaryTopicOf Magnetic_hysteresis.