Reconstructing phase-resolved hysteresis loops from first-order reversal curves
Authors: Dustin A. Gilbert, Peyton D. Murray, Julius De Rojas, Randy K. Dumas, Joseph E. Davies, Kai Liu
Summary: The primary order reversal curve (FORC) technique is a magnetometry primarily based method used to seize nanoscale magnetic section separation and interactions with macroscopic measurements utilizing minor hysteresis loop evaluation. This makes the FORC method a robust device within the evaluation of complicated programs which can’t be successfully probed utilizing localized strategies. Nonetheless, recovering quantitative particulars in regards to the recognized phases which might be in comparison with historically measured metrics stays an enigmatic problem. We reveal a method to reconstruct phase-resolved magnetic hysteresis loops by selectively integrating the measured FORC distribution. From these minor loops, the standard metrics — together with the coercivity and saturation subject, and the remanent and saturation magnetization — might be decided. To be able to carry out this evaluation, particular consideration have to be paid to the correct quantitative administration of the so-called reversible options. This system is demonstrated on three consultant supplies programs, excessive anisotropy FeCuPt thin-films, Fe nanodots, and SmCo/Fe trade spring magnet movies, and reveals wonderful settlement with the direct measured main loop, in addition to the section separated loops
