Novel Static Criterion for Magnetic Sensor Film Saturation
2007
NaturalScienceCenterofGeneralPhysicsInstitute,AcademyofSciencesofRussia38,Moscow119991,Russia(Received/Accepted:2July2006)Monodomain state of magnetic films allows one to avoid any Barkhausen noise in magnetometers.So, the exploration of residual domains, conditions of their appearance and methods for their elim-ination are very important. A new method of investigating residual domains in magnetic films isproposed based on measurements of quadratic magnetic susceptibility. The technique permits oneto evaluate the quality of magnetic films and their suitability for highly sensitive magnetometers.
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