An improved algorithm for unmixing first‐order reversal curve diagrams using principal component analysis

RJ Harrison, J Muraszko, D Heslop… - Geochemistry …, 2018 - Wiley Online Library
First‐order reversal curve (FORC) diagrams of synthetic binary mixtures with single‐domain,
vortex state, and multidomain end‐members (EMs) were analyzed using principal …

Magnetic unmixing of first‐order reversal curve diagrams using principal component analysis

I Lascu, RJ Harrison, Y Li, JR Muraszko… - Geochemistry …, 2015 - Wiley Online Library
We describe a quantitative magnetic unmixing method based on principal component
analysis (PCA) of first‐order reversal curve (FORC) diagrams. For PCA, we resample FORC …

Magnetic characterization of geologic materials with first-order reversal curves

R Egli - Magnetic measurement techniques for materials …, 2021 - Springer
Since their introduction in Earth sciences in 1990, first-order reversal curve (FORC)
measurements have become an important tool for characterizing geologic materials. The …

Assessing the ability of first‐order reversal curve (FORC) diagrams to unravel complex magnetic signals

AR Muxworthy, JG King… - Journal of Geophysical …, 2005 - Wiley Online Library
First‐order reversal curve (FORC) diagrams for mixtures of different magnetic phases and
bimodal distributions have been measured to examine the efficiency of the FORC method at …

[PDF][PDF] First-order reversal curve (FORC) diagrams

AR Muxworthy, AP Roberts - Encyclopedia of geomagnetism and …, 2007 - core.ac.uk
In many geomagnetic, geological and environmental magnetic studies, it is important to
have reliable methods of characterizing the composition and grain size distribution of …

First-order reversal-curve diagrams and reversible magnetization

CR Pike - Physical Review B, 2003 - APS
First-order reversal curve (FORC) diagrams have recently been used for the characterization
of magnetic systems in both geology and physics. However, the FORC distribution involves …

FORCulator: A micromagnetic tool for simulating first‐order reversal curve diagrams

RJ Harrison, I Lascu - Geochemistry, Geophysics, Geosystems, 2014 - Wiley Online Library
We describe a method for simulating first‐order reversal curve (FORC) diagrams of
interacting single‐domain particles. Magnetostatic interactions are calculated in real space …

First-order reversal curve (FORC) diagrams of magnetic mixtures: Micromagnetic models and measurements

C Carvallo, AR Muxworthy, DJ Dunlop - Physics of the Earth and Planetary …, 2006 - Elsevier
First-order reversal curve (FORC) diagrams were modelled and experimentally measured
for different assemblages of single-domain (SD) magnetite particles with bimodal …

Unlocking information about fine magnetic particle assemblages from first-order reversal curve diagrams: Recent advances

AP Roberts, D Heslop, X Zhao, H Oda, R Egli… - Earth-Science …, 2022 - Elsevier
The magnetic domain state of a material determines its magnetic recording capability and
magnetic properties. Constraining the domain state of magnetic components within …

VARIFORC: An optimized protocol for calculating non-regular first-order reversal curve (FORC) diagrams

R Egli - Global and Planetary Change, 2013 - Elsevier
High-resolution first-order reversal curve (FORC) diagrams are increasingly employed to
characterize magnetic minerals in sediments, and especially as a magnetofossil detection …