EXTREMAG

EXTREMAG

The Exeter Time-Resolved Magnetism Facility

User Publications

Publications of research that made use of the EXTREMAG facility

2026

19. Optically induced thermal demagnetization and switching of antiferromagnetic domains in NiO and CoO thin films

Maciej Dąbrowski, Tong Wu, Connor R. J. Sait, Jia Xu, Paul S. Keatley, Yizheng Wu, Robert J. Hicken, and Olena Gomonay

Physical Review Applied, 26, 044008 (2026)

https://doi.org/10.1103/jsdr-j4h6

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18. Optically stimulated spin dynamics in a multi-domain CoO/Pt bilayer

Applied Physics Letters, 129, 032405 (2026)

https://doi.org/10.1063/5.0328104

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17. Laser-induced topological spin switching at room temperature in the van der Waals ferromagnet Fe3GaTe2

Charlie W. F. Freeman, Woohyun Cho, Paul S. Keatley, PeiYu Cai, Zekun Xue, Chenghao Yang, Harry Youel, Elton J. G. Santos, Robert J. Hicken, Heejun Yang, Hidekazu Kurebayashi, Murat Cubukcu & Maciej Dąbrowski

npj Spintronics, 4, 24 (2026)

https://doi.org/10.1038/s44306-026-00139-x

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16. Tuning and suppression of YIG magnetization dynamics via antiferromagnetic interface coupling

O. Cespedes, H. B.Vasili, M. Rogers, P. S. Keatley, M. Ali, B. J. Hickey, and R. J. Hicken

Applied Physics Letters 128, 062406 (2026)

https://doi.org/10.1063/5.0304917

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15. Strain-induced magnetic domain morphology in Pt/CoFeB/Ir multilayers on BaTiO3(001)

Robbie G. Hunt, Khulaif Alshammari, Mannan Ali, Paul S. Keatley, and Thomas A. Moore

Physical Review B 113, 014412 (2026)

https://doi.org/10.1103/zqxt-k522

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14. Field Effects on Magnon-Induced Domain Wall Motion in a Magnetic Insulator Racetrack

M. J. Gross, L. Menna, A. Del Giacco, R. Bertacco, P. S. Keatley, N. A. Sandu, C. B. Rodriguez, L. Liu, R. J. Hicken, C. A. Ross

Advanced Functional Materials,2026;0:e31122

https://doi.org/10.1002/adfm.202531122

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2025

13. Microcoil for magnetization reset during time-resolved measurements

Connor R.J. Sait, Thomas H. J. Loughran, Maciej Dabrowski, Paul S. Keatley, and
Robert J. Hicken

Physical Review Applied 23, 034081 (2025)

https://doi.org/10.1103/PhysRevApplied.23.034081

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2024

12. Magnetization dynamics driven by displacement currents across a magnetic
tunnel junction

C.K. Safeer, Paul S. Keatley, Witold Skowrónski, Jakub Mojsiejuk, Kay Yakushiji,
Akio Fukushima, Shinji Yuasa, Daniel Bedau, Fèlix Casanova, Luis E. Hueso,
Robert J. Hicken, Daniele Pinna, Gerrit van der Laan, and Thorsten Hesjedal

Physical Review Applied 22, 024019 (2024)

https://doi.org/10.1103/PhysRevApplied.22.024019

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11. Unidirectional multipulse helicity-independent all-optical switching in [Ni/Pt] based synthetic ferrimagnets

C. R. J. Sait, M. Dąbrowski, J. N. Scott, W. R. Hendren, D. G. Newman, A.T.  N’Diaye, C. Klewe, P. Shafer, G. van der Laan, P. S. Keatley, R. M.  Bowman, R. J. Hicken

Physical Review B, volume 109, article number 134417 (2024)

https://doi.org/10.1063/5.0157883

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10. Thermal nanoconversion of ferromagnetic nanoislands

O. J. Barker, A. Mohammadi-Motlagh, A. J. Wright, R. Batty, H. Finch, A. Vezzoli, P. S. Keatley, L. O’Brien

Applied Physics Letters, volume 124, article number 112411 (2024)

https://doi.org/10.1063/5.0157883

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2023

9. Temperature dependence of magnetic anisotropy and domain wall tuning in BaTiO3(111)/CoFeB multiferroics

R. G. Hunt, K. J. A. Franke, P. S. Keatley, P. M. Shepley, M. Rogers, and T. A. Moore

APL Materials, volume 11, article number 071112 (2023)

https://doi.org/10.1063/5.0157883

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8. Laser-induced topological spin switching in a 2D van der Waals magnet

Maya Khela, Maciej Da̧browski, Safe Khan, Paul S. Keatley, Ivan Verzhbitskiy, Goki Eda, Robert J. Hicken, Hidekazu Kurebayashi, and Elton J. G. Santos

Nature Communications, volume 14, article number 1378 (2023)

https://doi.org/10.1038/s41467-023-37082-y

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7. A Hybrid Magneto-Optic Capacitive Memory with
Picosecond Writing Time

Matthew Rogers, Ahasan Habib, Gilberto Teobaldi, Timothy Moorsom, J. Olof Johansson, Luke Hedley, Paul S. Keatley, Robert J. Hicken, Manuel Valvidares, Pierluigi Gargiani, Nader Alosaimi, Emiliano Poli, Mannan Ali, Gavin Burnell, Bryan J. Hickey, and Oscar Cespedes

Advanced Functional Materials, 2212173 (2023)

https://doi.org/10.1002/adfm.202212173

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2022

6. All-optical control of spin in a 2D van der Waals magnet

Dabrowski M, Guo S, Strungaru M, Keatley PS, Withers F, Santos EJG, and Hicken RJ

Nature Communications, volume 13, article number 5976 (2022)

https://doi.org/10.1038/s41467-022-33343-4

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2021

5. Excited State Spectroscopy of Boron Vacancy Defects in Hexagonal Boron Nitride Using Time-Resolved Optically Detected Magnetic Resonance

Baber S, Malein RNE, Khatri P, Keatley PS, Guo S, Withers F, Ramsay AJ, and Luxmoore IJ

Nano Letters, volume 22, pages 461-467 (December 2021)

https://doi.org/10.1021/acs.nanolett.1c04366

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4. Scaling of Dzyaloshinskii-Moriya interaction with magnetization in Pt/Co(Fe)B/Ir multilayers

Khulaif Alshammari, Eloi Haltz, Mohammed Alyami, Mannan Ali, Paul S. Keatley, Christopher H. Marrows, Joseph Barker, and Thomas A. Moore

Physical Review B volume 104, Article number 224402 (December 2021)

https://doi.org/10.1103/PhysRevB.104.224402

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3. Transition Metal Synthetic Ferrimagnets: Tunable Media for All-Optical Switching Driven by Nanoscale Spin Current

Maciej Da̧browski, Jade N. Scott, William R. Hendren, Colin M. Forbes, Andreas Frisk, David M. Burn, David G. Newman, Connor R. J. Sait, Paul S. Keatley, Alpha T. N’Diaye, Thorsten Hesjedal, Gerrit van der Laan, Robert M. Bowman, and Robert J. Hicken

Nano Letters volume 21, Pages 9210–9216 (October 2021)

https://doi.org/10.1021/acs.nanolett.1c03081

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2. Graphene overcoats for ultra-high storage density magnetic media

N. Dwivedi, A. K. Ott, K. Sasikumar, C. Dou, R. J. Yeo, B. Narayanan, U. Sassi, D. De Fazio, G. Soavi, T. Dutta, O. Balci, S. Shinde, J. Zhang, A. K. Katiyar, P. S. Keatley, A. K. Srivastava, S. K. R. S. Sankaranarayanan, A. C. Ferrari & C. S. Bhatia

Nature Communications volume 12, Article number: 2854 (May 2021)

https://doi.org/10.1038/s41467-021-22687-y

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2020

1. Interplay between spin proximity effect and charge-dependent exciton dynamics in MoSe2/CrBr3 van der Waals heterostructures

T. P. Lyons, D. Gillard, A. Molina-Sánchez, A. Misra, F. Withers, P. S. Keatley, A. Kozikov, T. Taniguchi, K. Watanabe, K. S. Novoselov, J. Fernández-Rossier & A. I. Tartakovskii

Nature Communications volume 11, Article number: 6021 (November 2020)

https://doi.org/10.1038/s41467-020-19816-4

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