Research outputs
Selected research outputs
- Stability of equidimensional pseudo-single-domain magnetite over billion-year timescales (Journal article - 2017)
- From Nano to Micro: Evolution of Magnetic Domain Structures in Multidomain Magnetite (Journal article - 2019)
- Thermomagnetic recording fidelity of nanometer-sized iron and implications for planetary magnetism (Journal article - 2019)
- Estimating the Effect of Cooling Rate on the Acquisition of Magnetic Remanence (Journal article - 2021)
- Chasing Tails: Insights From Micromagnetic Modeling for Thermomagnetic Recording in Non-Uniform Magnetic Structures (Journal article - 2022)
- FORCINN: First-order reversal curve inversion of magnetite using neural networks (Preprint - 2024)
2026
Micromagnetic Constraints on the Grain Size Dependence and Magnetic Stability of Sub‐Micron Monoclinic Pyrrhotite (Fe <sub>7</sub> S <sub>8</sub> )
Williams, W., Muxworthy, A. R., Donardelli Bellon, U., Nagy, L., Cowan, A. A., Valdez‐Grijalva, M. A., & Roberts, A. P. (2026). Micromagnetic Constraints on the Grain Size Dependence and Magnetic Stability of Sub‐Micron Monoclinic Pyrrhotite (Fe <sub>7</sub> S <sub>8</sub> ). Journal of Geophysical Research: Solid Earth, 131(2). doi:10.1029/2025jb031684
2025
Magnetic Stability of Magnetite Particles With Single Vortex Structure During Low-Temperature Oxidation
Ge, K., Williams, W., Liu, Q., Deng, J., Wang, Y., Ji, Q., . . . Pei, J. (2025). Magnetic Stability of Magnetite Particles With Single Vortex Structure During Low-Temperature Oxidation. GEOPHYSICAL RESEARCH LETTERS, 52(22). doi:10.1029/2025GL117107
Reliable Paleomagnetic Records From Single-Vortex Iron Particles
Chen, S., Berndt, T. A., Williams, W., Devienne, J. A. P. M., Nagy, L., & Wu, P. (2025). Reliable Paleomagnetic Records From Single-Vortex Iron Particles. JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, 130(8). doi:10.1029/2025JE009167
First principles understanding of single domain magnetizations - Part I: The Single Domain Comprehensive Calculator (SDCC) open source library
Cych, B., Paterson, G. A., Nagy, L., & Williams, W. (2025). First principles understanding of single domain magnetizations - Part I: The Single Domain Comprehensive Calculator (SDCC) open source library. Geophysical Journal International. doi:10.1093/gji/ggaf149
Efficiency of Thermoremanent Magnetization Acquisition in Vortex-State Particle Assemblies
Bellon, U. D., Williams, W., Muxworthy, A. R., Souza Junior, G. F., Nagy, L., Uieda, L., & Trindade, R. I. F. (2025). Efficiency of Thermoremanent Magnetization Acquisition in Vortex-State Particle Assemblies. GEOPHYSICAL RESEARCH LETTERS, 52(8). doi:10.1029/2025GL114771
FORCINN: First-Order Reversal Curve Inversion of Magnetite Using Neural Networks
Pei, Z., Williams, W., Nagy, L., Paterson, G. A., Moreno, R., Muxworthy, A. R., & Chang, L. (2025). FORCINN: First-Order Reversal Curve Inversion of Magnetite Using Neural Networks. GEOPHYSICAL RESEARCH LETTERS, 52(3). doi:10.1029/2024GL112769
2024
FORCINN: First-order reversal curve inversion of magnetite using neural networks
Magnetic Hysteresis Properties of Magnetite: Trends With Particle Size and Shape
Paterson, G. A., Moreno, R., Muxworthy, A. R., Nagy, L., Williams, W., & Tauxe, L. (2024). Magnetic Hysteresis Properties of Magnetite: Trends With Particle Size and Shape. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 25(8). doi:10.1029/2024GC011461
Vortex Magnetic Domain State Behavior in the Day Plot
Williams, W., Moreno, R., Muxworthy, A. R., Paterson, G. A., Nagy, L., Tauxe, L., . . . Ferreira, I. (2024). Vortex Magnetic Domain State Behavior in the Day Plot. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 25(8). doi:10.1029/2024GC011462
Micromagnetic Determination of the FORC Response of Paleomagnetically Significant Magnetite Assemblages
Nagy, L., Moreno, R., Muxworthy, A. R., Williams, W., Paterson, G. A., Tauxe, L., & Valdez-Grijalva, M. A. (2024). Micromagnetic Determination of the FORC Response of Paleomagnetically Significant Magnetite Assemblages. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 25(7). doi:10.1029/2024GC011465
Magnetic Domain States and Critical Sizes in the Titanomagnetite Series
Cych, B., Paterson, G. A., Nagy, L., Williams, W., & Moskowitz, B. (2024). Magnetic Domain States and Critical Sizes in the Titanomagnetite Series. Journal of Geophysical Research: Solid Earth, 129(6). doi:10.1029/2024jb028805
2023
Magnetic Recording Stability of Taenite-Containing Meteorites
Devienne, J. A. P. M., Berndt, T. A. A., Williams, W., & Nagy, L. (2023). Magnetic Recording Stability of Taenite-Containing Meteorites. GEOPHYSICAL RESEARCH LETTERS, 50(12). doi:10.1029/2022GL102602
2022
Chasing Tails: Insights From Micromagnetic Modeling for Thermomagnetic Recording in Non-Uniform Magnetic Structures
Nagy, L., Williams, W., Tauxe, L., & Muxworthy, A. (2022). Chasing Tails: Insights From Micromagnetic Modeling for Thermomagnetic Recording in Non-Uniform Magnetic Structures. GEOPHYSICAL RESEARCH LETTERS, 49(23). doi:10.1029/2022GL101032
Micromagnetic Modeling of a Magnetically Unstable Zone and Its Geological Significances
Wang, Y., Ge, K., Williams, W., Zhou, H., Wang, H., Nagy, L., . . . Liu, Y. (2022). Micromagnetic Modeling of a Magnetically Unstable Zone and Its Geological Significances. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, 127(9). doi:10.1029/2022JB024876
2021
Estimating the Effect of Cooling Rate on the Acquisition of Magnetic Remanence
Nagy, L., Williams, W., & Tauxe, L. (2021). Estimating the Effect of Cooling Rate on the Acquisition of Magnetic Remanence. GEOPHYSICAL RESEARCH LETTERS, 48(22). doi:10.1029/2021GL095284
Models of Maghematization: Observational Evidence in Support of a Magnetic Unstable Zone
Ge, K., Williams, W., Nagy, L., & Tauxe, L. (2021). Models of Maghematization: Observational Evidence in Support of a Magnetic Unstable Zone. Geochemistry, Geophysics, Geosystems, 22(3). doi:10.1029/2020gc009504
Understanding Nonideal Paleointensity Recording in Igneous Rocks: Insights From Aging Experiments on Lava Samples and the Causes and Consequences of "Fragile" Curvature in Arai Plots
Tauxe, L., Santos, C. N., Cych, B., Zhao, X., Roberts, A. P., Nagy, L., & Williams, W. (2021). Understanding Nonideal Paleointensity Recording in Igneous Rocks: Insights From Aging Experiments on Lava Samples and the Causes and Consequences of "Fragile" Curvature in Arai Plots. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 22(1). doi:10.1029/2020GC009423
2020
Micromagnetic simulations of first-order reversal curve (FORC) diagrams of framboidal greigite
Valdez-Grijalva, M. A., Nagy, L., Muxworthy, A. R., Williams, W., Roberts, A. P., & Heslop, D. (2020). Micromagnetic simulations of first-order reversal curve (FORC) diagrams of framboidal greigite. Geophysical Journal International, 222(2), 1126-1134. doi:10.1093/gji/ggaa241
2019
From Nano to Micro: Evolution of Magnetic Domain Structures in Multidomain Magnetite
Nagy, L., Williams, W., Tauxe, L., & Muxworthy, A. R. (2019). From Nano to Micro: Evolution of Magnetic Domain Structures in Multidomain Magnetite. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 20(6), 2907-2918. doi:10.1029/2019GC008319
Thermomagnetic recording fidelity of nanometer-sized iron and implications for planetary magnetism
Nagy, L., Williams, W., Tauxe, L., Muxworthy, A. R., & Ferreira, I. (2019). Thermomagnetic recording fidelity of nanometer-sized iron and implications for planetary magnetism. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 116(6), 1984-1991. doi:10.1073/pnas.1810797116
Secondary magnetite in ancient zircon precludes analysis of a Hadean geodynamo
Tang, F., Taylor, R. J. M., Einsle, J. F., Borlina, C. S., Fu, R. R., Weiss, B. P., . . . Harrison, R. J. (2019). Secondary magnetite in ancient zircon precludes analysis of a Hadean geodynamo. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 116(2), 407-412. doi:10.1073/pnas.1811074116
2018
Magnetic vortex effects on first-order reversal curve (FORC) diagrams for greigite dispersions
Valdez-Grijalva, M. A., Muxworthy, A. R., Williams, W., Conbhui, P. O., Nagy, L., Roberts, A. P., & Heslop, D. (2018). Magnetic vortex effects on first-order reversal curve (FORC) diagrams for greigite dispersions. EARTH AND PLANETARY SCIENCE LETTERS, 501, 103-111. doi:10.1016/j.epsl.2018.08.027
MERRILL: Micromagnetic Earth Related Robust Interpreted Language Laboratory
Conbhui, P. O., Williams, W., Fabian, K., Ridley, P., Nagy, L., & Muxworthy, A. R. (2018). MERRILL: Micromagnetic Earth Related Robust Interpreted Language Laboratory. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 19(4), 1080-1106. doi:10.1002/2017GC007279
The oldest magnetic record in our solar system identified using nanometric imaging and numerical modeling
Shah, J., Williams, W., Almeida, T. P., Nagy, L., Muxworthy, A. R., Kovacs, A., . . . Dunin-Borkowski, R. E. (2018). The oldest magnetic record in our solar system identified using nanometric imaging and numerical modeling. NATURE COMMUNICATIONS, 9. doi:10.1038/s41467-018-03613-1
The magnetic structure and palaeomagnetic recording fidelity of sub-micron greigite (Fe<sub>3</sub>S<sub>4</sub>)
Valdez-Grijalva, M. A., Nagy, L., Muxworthy, A. R., Williams, W., & Fabian, K. (2018). The magnetic structure and palaeomagnetic recording fidelity of sub-micron greigite (Fe<sub>3</sub>S<sub>4</sub>). EARTH AND PLANETARY SCIENCE LETTERS, 483, 76-89. doi:10.1016/j.epsl.2017.12.015
2017
Stability of equidimensional pseudo-single-domain magnetite over billion-year timescales
Nagy, L., Williams, W., Muxworthy, A. R., Fabian, K., Almeida, T. P., Conbhui, P. O., & Shcherbakov, V. P. (2017). Stability of equidimensional pseudo-single-domain magnetite over billion-year timescales. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 114(39), 10356-10360. doi:10.1073/pnas.1708344114
2016
Direct observation of the thermal demagnetization of magnetic vortex structures in nonideal magnetite recorders
Almeida, T. P., Muxworthy, A. R., Kovacs, A., Williams, W., Nagy, L., Conbhui, P. O., . . . Dunin-Borkowski, R. E. (2016). Direct observation of the thermal demagnetization of magnetic vortex structures in nonideal magnetite recorders. GEOPHYSICAL RESEARCH LETTERS, 43(16), 8426-8434. doi:10.1002/2016GL070074
2014
Observing thermomagnetic stability of nonideal magnetite particles: Good paleomagnetic recorders?
Almeida, T. P., Kasama, T., Muxworthy, A. R., Williams, W., Nagy, L., & Dunin-Borkowski, R. E. (2014). Observing thermomagnetic stability of nonideal magnetite particles: Good paleomagnetic recorders?. GEOPHYSICAL RESEARCH LETTERS, 41(20), 7041-7047. doi:10.1002/2014GL061432
Visualized effect of oxidation on magnetic recording fidelity in pseudo-single-domain magnetite particles
Almeida, T. P., Kasama, T., Muxworthy, A. R., Williams, W., Nagy, L., Hansen, T. W., . . . Dunin-Borkowski, R. E. (2014). Visualized effect of oxidation on magnetic recording fidelity in pseudo-single-domain magnetite particles. NATURE COMMUNICATIONS, 5. doi:10.1038/ncomms6154