Dr Pierre Roy
Telephone : +44.1223.44.29.10 (Direct)
+44.1223.44.29.00 (Secretary)
Email: per24 (add domain name : "cam.ac.uk")
List of publications
Journal articles :
R. M. Otxoa, G. Tatara, P. E. Roy, and O. Chubykalo-Fesenko, Sci. Rep. 13, 21153 (2023), Tailoring elastic and inelastic collisions of relativistic antiferromagnetic domain walls
S. Komineas, and P. E. Roy, Physical Review Research 4, 3, 033132 (2022), Breathing skyrmions in chiral antiferromagnets
R. Rama-Eiroa, P. E. Roy, J. M. Gonzalez, K. Y. Guslienko, J. Wunderlich, and R. M. Otxoa, J. Magn. Magn. Mater. 560, (2022), Inertial domain wall characterization in layered multisublattice antiferromagnets
R. M. Otxoa, R. Rama-Eiroa, P. E. Roy, G. Tatara, O. Chubykalo-Fesenko, and U. Atxitia, Physical Review Research 3, 4, 043069 (2021), Topologically-mediated energy release by relativistic antiferromagnetic solitons
P. E. Roy, J. Appl. Phys. 129, 19, 193902 (2021), Method to suppress antiferromagnetic skyrmion deformation in high speed racetrack devices
P. E. Roy, IEEE Trans. Mag. 56, 12, 4300408 (2020), Controlled Localized Domain Wall Writing in Antiferromagnetic Nano Stripes With In-Plane Transverse Currents
R. M. Otxoa, P. E. Roy, R. Rama-Eiroa, J. Godinho, K. Y. Guslienko, and J. Wunderlich, Commun. Phys. 3, 1, 190 (2020), Walker-like domain wall breakdown in layered antiferromagnets driven by staggered spin-orbit fields
T. Janda, J. Godinho, T. Ostatnicky, E. Pfitzner, G. Ulrich, A. Hoehl, S. Reimers, Z. Soban, T. Metzger, H. Reichlova, V. Novak, R. P. Campion, J. Heberle, P. Wadley, K. W. Edmonds, O. J. Amin, J. S. Chauhan, S. S. Dhesi, F. Maccherozzi, R. M. Otxoa, P. E. Roy, K. Olejnik, P. Nemec, T. Jungwirth, B. Kaestner, and J. Wunderlich, Physical Review Materials 4, 9, 094413 (2020), Magneto-Seebeck microscopy of domain switching in collinear antiferromagnet CuMnAs
R. M. Otxoa, U. Atxitia, P. E. Roy, and O.A.F Chubykalo-Fesenko, Commun. Phys. 3, 1, 31 (2020), Giant localised spin-Peltier effect due to ultrafast domain wall motion in antiferromagnetic metals
P. E. Roy, R. M. Otxoa, and C. Moutafis, Phys. Rev. B 99, 9, 094405 (2019), Controlled anisotropic dynamics of tightly bound skyrmions in a synthetic ferrimagnet due to skyrmion deformation mediated by induced
P. E. Roy, R. M. Otxoa, and C. Moutafis, Phys. Rev. B 99, 9, 094405 (2019), Controlled anisotropic dynamics of tightly bound skyrmions in a synthetic ferrimagnet due to skyrmion deformation mediated by induced uniaxial in-plane anisotropy
J. Godinho, H. Reichlova, D. Kriegner, V. Novak, K. Olejnik, Z. Kaspar, Z. Soban, P. Wadley, R. P. Campion, R. M. Otxoa, P. E. Roy, J. Zelezny, T. Jungwirth, and J. Wunderlich, Nat. Comm. 9, 4686 (2018), Electrically induced and detected Neel vector reversal in a collinear antiferromagnet
T. Janda, P. E. Roy, R. M. Otxoa, Z. S. Soban, A. Ramsay, A. C. Irvine, F. Trojanek, M. Surynek, R. P. Campion, B. L. Gallagher, P. Nemec, T. Jungwirth, and J. Wunderlich, Nat. Comm. 8, 15226 (2017), Inertial displacement of a domain wall excited by ultra-short circularly polarized laser pulses
P. E. Roy, R. M. Otxoa, and J. Wunderlich, Phys. Rev. B 94, 014439 (2016), Robust picosecond writing of a layered antiferromagnet by staggered spin-orbit fields
A. J. Ramsay, P. E. Roy, J. A. Haigh, R. M. Otxoa, A. C. Irvine, T. Janda, R. P. Campion, B. L. Gallagher, and J. Wunderlich, Phys. Rev. Lett. 114, 6, 067202 (2015), Optical Spin-Transfer-Torque-Driven Domain-Wall Motion in a Ferromagnetic Semiconductor
E. De Ranieri, P. E. Roy, D. Fang, E. K. Vehsthedt, A. C. Irvine, D. Heiss, A. Casiraghi, R. P. Campion, B. L. Gallagher, T. Jungwirth, and J. Wunderlich, Nature Materials 12, 9, 808 (2013), Piezoelectric control of the mobility of a domain wall driven by adiabatic and non-adiabatic torques
A. L. G. Oyarce, T. Trypiniotis, P. E. Roy, and C. H. W. Barnes, Phys. Rev. B 87, 17, 174408 (2013), Topological-charge-driven reversal of ferromagnetic rings via 360 degrees domain-wall formation
P. E. Roy, Appl. Phys. Lett. 102, 16, 162411 (2013), In-plane anisotropy control of the magnetic vortex gyrotropic mode
P. E. Roy, and J. Wunderlich, Appl. Phys. Lett. 99, 12, 122504 (2011), In-plane magnetic anisotropy dependence of critical current density, Walker field and domain-wall velocity in a stripe with perpendicular
P. E. Roy, T. Trypiniotis, and C. H. W. Barnes, Phys. Rev. B 82, 13, 134411 (2010), Micromagnetic simulations of spin-wave normal modes and the resonant field-driven magnetization dynamics of a 360 degrees domain wall in a
J. H. Lee, S. N. Holmes, B. Hong, P. E. Roy, M. D. Mascaro, T. J. Hayward, D. Anderson, K. Cooper, G. A. C. Jones, M. E. Vickers, C. A. Ross, and C. H. W. Barnes, Appl. Phys. Lett. 95, 17, 172505 (2009), Magnetic remanent states and quasistatic switching behavior of Fe split-rings for spin field-effect-transistor applications
P. E. Roy, J. H. Lee, T. Trypiniotis, D. Anderson, G. A. C. Jones, D. Tse, and C. H. W. Barnes, Phys. Rev. B 79, 6, 060407 (2009), Antivortex domain walls observed in permalloy rings via magnetic force microscopy
K. S. Buchanan, P. E. Roy, M. Grimsditch, F. Y. Fradin, K. Y. Guslienko, S. D. Bader, and V. Novosad, Phys. Rev. B 74, 6, 064404 (2006), Magnetic-field tunability of the vortex translational mode in micron-sized permalloy ellipses: Experiment and micromagnetic modeling
K. S. Buchanan, P. E. Roy, F. Y. Fradin, K. Y. Guslienko, M. Grimsditch, S. D. Bader, and V. Novosad, J. Appl. Phys. 99, 8, 08C707 (2006), Vortex dynamics in patterned ferromagnetic ellipses
S. Felton, P. Warnicke, K. Gunnarsson, P. E. Roy, H. Lidbaum, and P. Svedlindh, J. Phys. D: Appl. Phys. 39, 4, 610 (2006), Domain configuration of permalloy ellipses in a rotating magnetic field
K. S. Buchanan, P. E. Roy, M. Grimsditch, F. Y. Fradin, K. Y. Guslienko, S. D. Bader, and V. Novosad, Nat. Phys. 1, 3, 172 (2005), Soliton-pair dynamics in patterned ferromagnetic ellipses
K. Gunnarsson, P. E. Roy, S. Felton, J. Pihl, P. Svedlindh, S. Berner, H. Lidbaum, and S. Oscarsson, Adv. Mater. 17, 14, 1730 (2005), Programmable motion and separation of single magnetic particles on patterned magnetic surfaces
V. Novosad, F. Y. Fradin, P. E. Roy, K. S. Buchanan, K. Y. Guslienko, and S. D. Bader, Phys. Rev. B 72, 2, 024455 (2005), Magnetic vortex resonance in patterned ferromagnetic dots
S. Felton, K. Gunnarsson, P. E. Roy, P. Svedlindh, and A. Quist, J. Magn. Magn. Mater. 280, 2-3, 202 (2004), MFM imaging of micron-sized permalloy ellipses
P. E. Roy, and P. Svedlindh, J. Appl. Phys. 96, 5, 2901 (2004), Deterministic and finite temperature micromagnetics of nanoscale structures: A simulation study
Conference proceedings :
P. E. Roy, C. Andersson, R. Gunnarsson, O. Karis, Z. Ivanov, and P. Svedlindh, International Conference on Magnetism (ICM 2003), p1207 (2004), Interface magnetic properties of La0.7Sr0.3MnO3 thin films