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
Abstract: The first order reversal curve (FORC) method is a magnetometry based totally technique used to grab nanoscale magnetic part separation and interactions with macroscopic measurements using minor hysteresis loop analysis. This makes the FORC technique a strong gadget inside the analysis of sophisticated packages which may’t be efficiently probed using localized methods. Nonetheless, recovering quantitative particulars regarding the acknowledged phases which could be as compared with traditionally measured metrics stays an enigmatic downside. We reveal a technique to reconstruct phase-resolved magnetic hysteresis loops by selectively integrating the measured FORC distribution. From these minor loops, the usual metrics — along with the coercivity and saturation topic, and the remanent and saturation magnetization — could be determined. To have the ability to perform this analysis, explicit consideration need to be paid to the right quantitative administration of the so-called reversible choices. This method is demonstrated on three marketing consultant provides packages, extreme anisotropy FeCuPt thin-films, Fe nanodots, and SmCo/Fe commerce spring magnet films, and divulges fantastic settlement with the direct measured major loop, along with the part separated loops
