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In artificial spin ice (ASI), magnetic interactions between nanomagnets determine both the stable states and the switching pathways under an applied field. Here, first-order reversal curve (FORC) measurements are used to map how these…

Materials Science · Physics 2026-04-28 Brindaban Ojha , Matías P. Grassi , Vassilios Kapaklis

The magnetization behaviour of the soft Cobalt Ferrite-hard Strontium Ferrite nanocomposite is tuned from the non exchange spring nature to the exchange spring nature, by controlling the particle size of the soft Cobalt Ferrite in the…

Materials Science · Physics 2015-06-15 Debangsu Roy , Sreenivasulu K , P S Anil Kumar

First Order Reversal Curve (FORC) diagrams are a popular tool in geophysics and materials science for the characterization of magnetic particles of natural and synthetic origin. However, there is still a lot of controversy about the…

First-order reversal curves (FORC) measurements are broadly used for characterization of complex magnetic nanostructures, but a robust framework for quantitative analysis of the FORC data is still obscure despite numerous studies over…

Applied Physics · Physics 2019-12-02 Mohammad Reza Zamani Kouhpanji , Bethanie J H Stadler

The first order reversal curve (FORC) method is a magnetometry based technique used to capture nanoscale magnetic phase separation and interactions with macroscopic measurements using minor hysteresis loop analysis. This makes the FORC…

Materials Science · Physics 2020-12-22 Dustin A. Gilbert , Peyton D. Murray , Julius De Rojas , Randy K. Dumas , Joseph E. Davies , Kai Liu

The recently obtained spin-crossover nanoparticles are possible candidates for applications in the recording media industry as materials for data storage, or as pressure and temperature sensors. For these applications the intermolecular…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Laurentiu Stoleriu , Alexandru Stancu , Pradip Chakraborty , Andreas Hauser , Cristian Enachescu

The magnetometric technique of First Order Reversal Curve (FORC) analysis, applicable to hysteretic systems, is introduced to the study of superconducting samples. Some typical superconducting structures in FORC diagram are identified, and…

Superconductivity · Physics 2023-05-30 E. R. Di Lascio

The first order reversal curve (FORC) method is a macroscopic measurement technique which can be used to extract quantitative, microscopic properties of hysteretic systems. Using magnetic transmission X-ray microscopy (MTXM), local…

Materials Science · Physics 2024-06-12 Dustin A. Gilbert , Mi-Young Im , Kai Liu , Peter Fischer

The generic problem of extracting information on intrinsic particle properties from the whole class of interacting magnetic fine particle systems is a long standing and difficult inverse problem. As an example, the Switching Field…

Materials Science · Physics 2016-11-29 Sergiu Ruta , Ondrej Hovorka , Pin-Wei Huang , Kangkang Wang , Ganping Ju , Roy Chantrell

Combined first order reversal curve (FORC) analyses of the magnetization (M-FORC) and magnetoresistance (MR-FORC) have been employed to provide a comprehensive study of the M-MR correlation in two canonical systems: a NiFe/Cu/FePt pseudo…

Materials Science · Physics 2014-09-12 Randy K. Dumas , Peter K. Greene , Dustin A. Gilbert , Li Ye , Chaolin Zha , Johan Åkerman , Kai Liu

The first-order reversal curve (FORC) method for analysis of systems undergoing hysteresis is applied to dynamical models of electrochemical adsorption. In this setting, the method can not only differentiate between discontinuous and…

Materials Science · Physics 2007-05-23 I. Abou Hamad , D. T. Robb , P. A. Rikvold

In conventional FORC (First Order Reversal Curve) analysis of a magnetic system, reversible and low-coercivity irreversible materials are treated as being qualitatively different: the FORC distribution shows low-coercivity materials but…

Materials Science · Physics 2018-11-07 P. B. Visscher

Magnetization reversal of interconnected Kagome artificial spin ice was studied by the first-order reversal curve (FORC) technique based on the magneto-optical Kerr effect and magnetoresistance measurements. The magnetization reversal…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 L. Sun , C. Zhou , J. H. Liang , T. Xing , N. Lei , P. Murray , Kai Liu , C. Won , Y. Z. Wu

We apply the first-order reversal curve (FORC) method, borrowed from studies of ferromagnetic materials, to the magneto-structural phase transition of FeTe. FORC measurements reveal two features in the hysteretic phase transition, even in…

Strongly Correlated Electrons · Physics 2017-06-28 M. K. Frampton , J. Crocker , D. A. Gilbert , N. Curro , Kai Liu , J. A. Schneeloch , G. D. Gu , R. J. Zieve

The results of large-scale simulations investigating the dynamics of magnetization reversal in arrays of single-domain nanomagnets after a rapid reversal of the applied field at nonzero temperature are presented. The numerical micromagnetic…

Materials Science · Physics 2009-10-31 Gregory Brown , M. A. Novotny , Per Arne Rikvold

Sub-100 nm nanomagnets not only are technologically important, but also exhibit complex magnetization reversal behaviors as their dimensions are comparable to typical magnetic domain wall widths. Here we capture magnetic "fingerprints" of 1…

Materials Science · Physics 2007-05-23 Randy K. Dumas , Chang-Peng Li , Igor V. Roshchin , Ivan K. Schuller , Kai Liu

A detailed numerical analysis of the magnetization reversal processes in multisegmented nanowire arrays was developed. The nanowires have a long aspect ratio and are formed by magnetic and non-magnetic sections alternately arranged in such…

Mesoscale and Nanoscale Physics · Physics 2015-07-09 E. A. Rando , S. Allende

Multiphase magnetic systems are common in nature and are increasingly being recognized in technical applications. One characterization method which has shown great promise for determining separate and collective effects of multiphase…

Materials Science · Physics 2018-02-14 Yue Cao , Mostafa Ahmadzadeh , Ke Xu , Brad Dodrill , John S. McCloy

This study is focused on the possibility to extend the use of the first-order reversal curve (FORC) diagram method to rate-dependent hysteresis. The FORCs for an amorphous magnetic wire was measured with an inductometric experimental setup…

Materials Science · Physics 2016-11-09 Dorin Cimpoesu , Ioan Dumitru , Alexandru Stancu

Magnetic configurations in heterostructures are often difficult to probe when the magnetic entities are buried inside. In this study we have captured magnetic and magnetoresistance "fingerprints" of Co nanodiscs embedded in Co/Cu…

Materials Science · Physics 2009-01-21 Jared Wong , Peter Greene , Randy K. Dumas , Kai Liu
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