A route to minimally dissipative switching in magnets via THz phonon pumping

Mara Strungaru, Matthew O A Ellis, Sergiu Ruta, Richard F L Evans, Roy W Chantrell, Oksana Chubykalo-Fesenko

Submitted arXiv:2209.04312 (2023)

Generalised form of the magnetic anisotropy field in micromagnetic and atomistic spin models

JB Collings, R Rama-Eiroa, RM Otxoa, RFL Evans, RW Chantrell

Submitted arXiv:2210.10916 (2023)

Higher-order magnetic anisotropy in soft-hard magnetic materials

Binh Nguyen, Sarah Jenkins, Sergiu Ruta, Richard F L Evans, Roy W Chantrell

Physical Review B (Letters) 107 L041410 (2023)

HAMR switching dynamics and the magnetic recording quadrilemma

Mara Strungaru, Binh T Nguyen, K Yuanmae, Richard F L Evans, Roy W Chantrell, Phanwadee Chureemart, Jessada Chureemart

Journal of Magnetism and Magnetic Materials 564 170041 (2022)

Breaking through the Mermin-Wagner limit in 2D van der Waals magnets

Sarah Jenkins, Levente Rózsa, Unai Atxitia, Richard F L Evans, K S Novoselov, Elton J G Santos

Nature Communications 13 6917 (2022)

Spin-transfer and spin-orbit torques in the Landau–Lifshitz–Gilbert equation

Andrea Meo, Carenza E Cronshaw, Sarah Jenkins, Amelia Lees, Richard F L Evans

Journal of Physics: Condensed Matter 51 025801 (2022)

Influence of finite-size effects on the Curie temperature of L1₀−FePt

Nguyen Thanh Binh, Sergiu Ruta, Ondrej Hovorka, Richard F L Evans, and Roy W Chantrell

Physical Review B 106 054421 (2022)

The Magnetic Genome of Two-Dimensional van der Waals Materials

Qing Hua Wang, Amilcar Bedoya-Pinto, Mark Blei, Avalon H Dismukes, Assaf Hamo, Sarah Jenkins, Maciej Koperski, Yu Liu, Qi-Chao Sun, Evan J Telford, Uri Vool, Jiaxin Yin, Lu Hua Li, Felix Casanova, Richard F L Evans, Mairbek Chshiev, Artem Mishchenko, Cedomir Petrovic, Rui He, Liuyan Zhao, Adam Tsen, Brian D Gerardot, Zurab Guguchia, Xavier Roy, Sefaattin Tongay, Zahid M Hasan, Joerg Wrachtrup, Amir Yacoby, Albert Fert, Stuart Parkin, Kostya S Novoselov, Pengcheng Dai, Luis Balicas and Elton J G Santos

ACS nano 16 6960-7079 (2022)

Domain wall dynamics in two-dimensional van der Waals ferromagnets

Dina Abdul-Wahab, Ezio Iacocca, Richard F L Evans, Amilcar Bedoya-Pinto, Stuart Parkin, Kostya S Novoselov and Elton J G Santos

Applied Physics Reviews 8 041411(2021)

Relativistic domain-wall dynamics in van der Waals antiferromagnet MnPS₃

Ignacio M Alliati, Richard F L Evans and Elton J G Santos

npj Computational Materials 8 3 (2022)

Spontaneous creation and annihilation dynamics of magnetic skyrmions at elevated temperature

Junlin Wang, Mara Strungaru, Sergiu Ruta, Andrea Meo, Yifan Zhou, András Deák, László Szunyogh, Paul-Iulian Gavriloaea, Roberto Moreno, Oksana Chubykalo-Fesenko, Jing Wu, Yongbing Xu, Richard F L Evanss and Roy W Chantrell

Physical Review B 104 054420 (2021)

Large magnetoresistance in Heusler alloy-based current perpendicular to plane giant magnetoresistance sensors

Nattaya Saenphum, Jessada Chureemart, Richard F L Evans, Roy W Chantrell and Phanwadee Chureemart

Journal of Physics D: Applied Physics 54 395004 (2021)

Atomistic simulations of the magnetic properties of Ir_xMn_1-x alloys

Sarah Jenkins, Roy W Chantrell and Richard F L Evans

Physical Review Materials 5 034406 (2021)

Atomistic origin of the athermal training effect in granular IrMn/CoFe bilayers

Sarah Jenkins, Roy W Chantrell and Richard F L Evans

Physical Review B 103 104419 (2021)

Spin transfer torque switching dynamics in CoFeB/MgO magnetic tunnel junctions

Andrea Meo, Sutee Sampanapai, Pieter B Visscher, Roman Chepulskyy, Dmytro Apalkov, Jessada Chureemart, Phanwadee Chureemart, Roy W Chantrell, and Richard F L Evans

Physical Review B 103 054426 (2021)

Role of anti-phase boundaries in the formation of magnetic domains in magnetite thin films

Roberto Moreno, Sarah Jenkins, Aleksandar Skeparovski, Zlatko Nedelkoski, Alexander Gerber, Vlado K Lazarov and Richard F L Evans

Journal of Physics: Condensed Matter 33 175802 (2021)

Defect-Correlated Skyrmions and Controllable Generation in Perpendicularly Magnetized CoFeB Ultrathin Films

Haihong Yin, Xiangyu Zheng, Junlin Wang, Yu Zhou, Balati Kuerbanjiang, Guanqi Li, Xianyang Lu, Kaiyu Tong, Yichuan Wang, Jing Wu, Vlado K Lazarov, Richard F L Evans, Roy W Chantrell, Jianwang Cai, Bo Liu, Hao Meng and Yongbing Xu

Applied Physics Letters 119 062402 (2021)

First principles and atomistic calculation of the magnetic anisotropy of Y₂Fe₁₄B

Ramon Cuadrado, Richard F L Evans, Tetsuya Shoji, Masao Yano, Akira Kato, Masaaki Manabe, Gino Hrkac, Thomas Schrefl and Roy W Chantrell

Journal of Applied Physics 130 023901 (2021)

Spin-lattice dynamics model with angular momentum transfer for canonical and microcanonical ensembles

Mara Strungaru, Matthew O A Ellis, Sergiu Ruta, Oksana Chubykalo-Fesenko, Richard F L Evans and Roy W Chantrell

Physical Review B 103 024429 (2021)

Role of element-specific damping in ultrafast, helicity-independent, all-optical switching dynamics in amorphous (Gd,Tb)Co thin films

Alejandro Ceballosa, Akshay Pattabia, Amal El-Ghazaly, Sergiu Ruta, Christian P Simon, Richard F L Evans, Thomas Ostler, Roy W Chantrell, Ellis Kennedy, Mary Scott, Jeffrey Bokor and Frances Hellman

Physical Review B 103 024438 (2021)

Exchange bias in multigranular non-collinear IrMn₃/CoFe thin films

Sarah Jenkins, Roy W Chantrell and Richard F L Evans

Physical Review B 103 014424 (2021)

Properties and dynamics of meron topological spin textures in the two-dimensional magnet CrCl₃

Mathias Augustin, Sarah Jenkins, Richard F L Evans, Kostya S Novoselov and Elton J G Santos

Nature Communications 12 185 (2021)

Quantum Rescaling, Domain Metastability, and Hybrid Domain‐Walls in 2D CrI₃ Magnets

Dina Abdul Wahab, Mathias Augustin, Samuel Manas Valero, Wenjun Kuang, Sarah Jenkins, Eugenio Coronado, Irina V. Grigorieva, Ivan J Vera-Marun, Efren Navarro-Moratalla, Richard F L Evans, Kostya S Novoselov and Elton J G Santos

Advanced Materials 2004138 (2020)

Bimeron Clusters in Chiral Antiferromagnets

Yan Zhou, Xiaoguang Li, Laichuan Shen, Yuhao Bai, Junlin Wang, Xichao Zhang, Jing Xia, Motohiko Ezawa, Oleg A Tretiakov, Xiaohong Xu, Michal Mruczkiewicz, Maciej Krawczyk, Yongbing Xu, Richard F L Evans, Roy W Chantrell and Yan Zhou

npj Computational Materials 6, 169 (2020)

The atomistic origin of exchange anisotropy in non-collinear IrMn₃/CoFe

Sarah Jenkins, Wei Jia Fan, Roxana Gaina, Roy W Chantrell, Timothy Klemmer and Richard F L Evans

Physical Review B 102, 140404(R) (2020)

Biquadratic exchange interactions in two-dimensional magnets

Alexey Kartsev, Mathias Augustin, Richard F L Evans, Kostya S Novoselov and Elton J G Santos

npj Computational Materials 6, 150 (2020)

Micromagnetic modelling of the Heat Assisted Magnetic Recording process in high anisotropy FePt granular thin films

Lewis J Atkinson, Richard F L Evans, and Roy W Chantrell

Journal of Applied Physics 128 073907 (2020)

Atomistic investigation of the temperature and size dependence of the energy barrier of CoFeB/MgO nanodots

Andrea Meo, Roman Chepulskyy, Dmytro Apalkov, Roy W Chantrell, and Richard F L Evans

Journal of Applied Physics 128 073905 (2020)

Temperature scaling of exchange anisotropy in pure and mixed anisotropy systems

Richard F L Evans, Levente Rósza, Sarah Jenkins, and Unai Atxitia

Physical Review B (Rapid Communications) 102 020412(R) (2020)

Model of damping and anisotropy at elevated temperatures: application to granular FePt films

Mara Strungaru, Sergiu Ruta, Richard F L Evans and Roy W Chantrell

Physical Review Applied 14 014077 (2020)

Spin wave excitations in exchange biased IrMn/CoFe bilayers

Sarah Jenkins, Roy W Chantrell and Richard F L Evans

Journal of Applied Physics 128 033903 (2020)

Atomistic simulations of α-Fe / Nd₂Fe₁₄B magnetic core/shell nanocomposites with enhanced energy product for high temperature permanent magnet applications

Sam C Westmoreland, Connor Skelland, Tetsuya Shoji, Masao Yano, Akira Kato, Masaaki Ito, Gino Hrkac, Thomas Schrefl, Richard F L Evans, and Roy W Chantrell

Journal of Applied Physics 127 133901 (2020)

Phase boundary exchange coupling in the mixed magnetic phase regime of a Pd-doped FeRh epilayer

J. R. Massey, K. Matsumoto, M. Strungaru, R. C. Temple, T. Higo, K. Kondou, R. F. L. Evans, R. W. Chantrell, Y. Otani, C. H. Marrows

Physical Review Materials 4 024403(2020)

Atomistic study on the pressure dependence of the melting point of NdFe₁₂

C. Skelland, S. C. Westmoreland, T. Ostler, R. F. L. Evans , R. W. Chantrell, M. Yano, T. Shoji, A. Kato, M. Ito, M. Winklhofer, G. Zimanyi , J. Fischbacher, T. Schrefl, and G. Hrkac

AIP Advances 10 025130 (2020)

The role of faceting and elongation on the magnetic anisotropy of magnetite Fe₃O₄ nanocrystals

Roberto Moreno, Samuel Poyser, Daniel Meilak, Andrea Meo, Sarah Jenkins, Vlado K. Lazarov, Gonzalo Vallejo-Fernandez, Sara Majetich and Richard F. L. Evans

Scientific Reports 10, 2722 (2020)

Magnetoresistance dynamics in superparamagnetic Co-Fe-B nanodots

Brad Parks, Ahmed Abdelgawad,Thomas Wong, Richard F. L. Evans and Sara A. Majetich

Physical Review Applied 13 014063 (2020)

Anisotropic exchange in Nd-Fe-B permanent magnets

Qihua Gong, Min Yi, Richard F L Evans, Bai-Xiang Xu, and Oliver Gutfleisch

Materials Research Letters 8:3 89-96 (2020)

Magnetic stray fields in nanoscale magnetic tunnel junctions

Sarah Jenkins, Andrea Meo, Luke Elliott, Stephan K Piotrowski, Mukund Bapna, Roy W. Chantrell, Sara Majetich and Richard F. L. Evans

Journal of Physics D: Applied Physics 53 044001 (2020)

Magnetic anisotropy of the non-collinear antiferromagnet IrMn₃

Sarah Jenkins, Roy W Chantrell, Timothy J Klemmer and Richard F L Evans

Physical Review B (Rapid Communications) 100 220405(R) (2019)

Enhancement of intrinsic magnetic damping in defect-free epitaxial Fe₃O₄ thin films

Xianyang Lu, Lewis J. Atkinson, Balati Kuerbanjiang, Bo Liu , Guanqi Li, Yichuan Wang, Junlin Wang, Xuezhong Ruan, Jing Wu, Richard F. L. Evans, Vlado K. Lazarov, Roy W. Chantrell, and Yongbing Xu

Applied Physics Letters 114, 192406 (2019)

The Effect of Interstitial Nitrogen Addition on the Structural Properties of Supercells of NdFe_12-xTi_x

C. Skelland, T. Ostler, S. C. Westmoreland, R. F. L. Evans, R. W. Chantrell, M. Yano, T. Shoji, A. Kato, M. Winklhofer G. Zimanyi, J. Fischbacher, T. Schrefl, G. Hrkac

IEEE Transactions on Magnetics 55 6700205 (2019)

Calculating temperature-dependent properties of Nd₂Fe₁₄B permanent magnet by atomistic spin model simulations

Qihua Gonga, Min Yia, Richard F. L. Evans, Bai-Xiang Xua, Oliver Gutfleisch

Physical Review B 99, 214409 (2019)

Spin-current-mediated rapid magnon localisation and coalescence after ultrafast optical pumping of ferrimagnetic alloys

E. Iacocca, T-M. Liu, A. H. Reid, Z. Fu, S. Ruta, P. W. Granitzka, E. Jal, S. Bonetti, A. X. Gray, C. E. Graves, R. Kukreja, Z. Chen, D. J. Higley, T. Chase, L. Le Guyader, K. Hirsch, H. Ohldag, W. F. Schlotter, G. L. Dakovski, G. Coslovich, M. C. Hoffmann, S. Carron, A. Tsukamoto, A. Kirilyuk, A. V. Kimel, Th. Rasing, J. Stöhr, R. F. L. Evans, T. Ostler, R. W. Chantrell, M. A. Hoefer, T. J. Silva, H. A. Dürr

Nature Communications 10, 1756 (2019)

Temperature and thickness dependence of statistical fluctuations of the Gilbert damping in CoFeB/MgO bilayers

Sutee Sampan-a-pai, Jessada Chureemart, Roy W. Chantrell, Roman Chepulskyy, Shuxia Wang, Dmytro Apalkov, Richard F. L. Evans and Phanwadee Chureemart

Physical Review Applied 11, 04400 (2019)

Anomalous damping dependence of the switching time in Fe/FePt bilayer recording media

Razvan-V. Ababei, Matthew O. A. Ellis, Richard F. L. Evans and Roy W. Chantrell

Physical Review B 99, 024427 (2019)

Optimal phase space sampling for Monte Carlo simulations of Heisenberg spin systems

J. D. Alzate-Cardona, D. Sabogal-Suarez, R. F. L. Evans, E. Restrepo-Parra

J. Phys.: Condens. Matter 31 095802 (2019)

Evidence of Magnetostrictive Effects on STT-MRAM Performance by Atomistic and Spin Modeling

K. Sankaran, J. Swerts, R. Carpenter, S. Couet, K. Garello, R. F. L. Evans, S. Rao, W. Kim, S. Kundu, D. Crotti, G. S. Kar and G. Pourtois

2018 IEEE International Electron Devices Meeting (IEDM), 4 (2018)

Temperature dependent properties of CoFeB/MgO thin films: experiments versus simulations

H. Sato, P. Chureemart, F. Matsukura, R. W. Chantrell, H. Ohno and R. F. L. Evans

Physical Review B 98, 214428 (2018)

Enhanced finite size and interface mixing effects in Iridium Manganese ultra thin films

Sarah Jenkins and Richard F. L. Evans

Journal of Applied Physics 124, 152105 (2018)

Atomistic Spin Dynamics

Richard F. L. Evans

Handbook of Materials Modeling: Volume 2 Applications: Current and Emerging Materials, Editors: Andreoni, Wanda, Yip, Sidney, Springer (2019)

Probability Distribution of Substituted Titanium in RT₁₂ (R= Nd and Sm; T= Fe and Co) Structures

C. Skelland, T. Ostler, S. C. Westmoreland, R. F. L. Evans, R. W. Chantrell, M. Yano, T. Shoji, A. Manabe, A. Kato, M. Ito, M.  Winklhofer, G. Zimanyi, J. Fischbacher, T. Schrefl, G. Hrkac

IEEE Transactions on Magnetics 54 1-5 (2018)

Site-resolved contributions to the magnetic anisotropy energy and complex spin structure of Fe/MgO sandwiches

Ramon Cuadrado, Laszlo Oroszlany, Andras Deak, Thomas A. Ostler, Andrea Meo, Roman V. Chepulskii, Dmytro Apalkov, Richard F. L. Evans, Laszlo Szunyogh, and Roy W. Chantrell

Physical Review Applied 9, 054048 (2018)

The indispensable role of the local mechanism in laser induced demagnetization of Co/Pt multilayers with nanoscale magnetic domains

Wei Zhang, Wei He, Li-Cong Peng, Ying Zhang, Jian-Wang Cai, Xiang-Qun Zhang, Richard F. L. Evans and Zhao-Hua Cheng

Nanotechnology 29 275703 (2018)

Hysteresis features of the transition-metal dichalcogenides VX2 (X=S, Se, and Te)

Erol Vatansever, S Sarikurt and Richard F. L. Evans

Mater. Res. Express 5 046108 (2018)

Multiscale model approaches to the design of advanced permanent magnets

S Westmoreland, R F L Evans, G Hrkac, T Schrefl, G Zimanyi, M Winkelhofer, N. Sakuma, M. Yano, A. Kato, T. Shoji, A. Manabe, M. Ito, and R. W. Chantrell

Scripta Materialia 148 56-62 (2018)

Spin canting in core/shell Fe₃O₄/Mn_xFe_3-xO₄ nanoparticles

Samuel D. Oberdick, Ahmed Abdelgawad, Carlos Moya, Samaneh Mesbahi-Vasey, Demie Kepaptsoglou, Vlado K. Lazarov, Richard F. L. Evans, Daniel Meilak, Elizabeth Skoropata, Johan van Lierop, Ian Hunt-Isaak, Hillary Pan, Yumi Ijiri, Kathryn Krycka, Julie Borchers, Sara A. Majetich

Scientific Reports 8 3425 (2018)

Half-metallic ferromagnetism in double perovskite Ca₂CoMoO₆ compound: DFT+U calculations

A Djefal, Sihem Amari, K O Obodo, L Beldi, H Bendaoud, Richard F L Evans, B Bouhafs

SPIN 07, 1750009 (2017)

Thermally nucleated magnetic reversal in CoFeB/MgO nanodots

A. Meo, P. Chureemart, S. Wang, R. Chepulskyy, D. Apalkov, R. W. Chantrell and R. F. L. Evans

Scientific Reports 7, 16729 (2017)

Atomistic model of a hybrid design for advanced magnetic recording media: The combination of exchange coupled composite media and coupled granular continuous media

P. Chureemart, R. F. L. Evans, R. W. Chantrell, Pin-Wei Huang, Kangkang Wang, Ganping Ju, and J. Chureemart

Physical Review Applied 8, 024016 (2017)

Origin of reduced magnetization moment in magnetite nanoparticles

Zlatko Nedelkoski, Leonardo Lari, Tianlong Wen, Ryan A. Booth, Samuel D. Oberdick, Daniel Gilks, Despoina-Maria Kepaptsoglou, Quentin Ramasse, Richard F. L. Evans, Sara Majetich and Vlado K. Lazarov

Scientific Reports 7, 45997 (2017)

Manifestation of higher-order inter-granular exchange in magnetic recording media

M. O. A. Ellis, R. V. Ababei, R. Wood, R. F. L. Evans and R. W. Chantrell

Appl. Phys. Lett. 111, 082405 (2017)

The antiphase boundary in half-metallic Heusler alloy Co₂Fe(Al,Si): atomic structure, spin polarization reversal and domain wall effects

Zlatko Nedelkoski, Ana M. Sanchez, Arsham Ghasemi, Kohei Hamaya, Richard F. L. Evans, Gavin R. Bell, Atsufumi Hirohata and Vlado K. Lazarov

Appl. Phys. Lett. 109, 222405 (2016)

Antiferromagnets see the rainbow

R. F. L. Evans

Nature Photonics (News and Views) 10, 622–623 (2016)

Temperature-dependent exchange stiffness and domain wall width in Co

R. Moreno, R. F. L. Evans, S. Khmelevskyi, M. C. Munoz, R. W. Chantrell, and O. Chubykalo-Fesenko

Physical Review B 94, 104433 (2016)

Newtype single-layer magnetic semiconductor in transition-metal dichalcogenides VX₂ (X= S, Se and Te)

Huei-Ru Fuh, Ching-Ray Chang, Yin-Kuo Wang, Richard F L Evans, Roy W Chantrell and Horng-Tay Jeng

Scientific Reports 6, 32625 (2016)

First principles study of the Fe|MgO(001) interface: magnetic anisotropy

Thomas Bose, Ramon Cuadrado, Richard F L Evans, Roman V Chepulskii, Dmytro Apalkov and Roy W Chantrell

Journal of Physics: Condensed Matter 28 156003 (2016)

Atomic and electronic structure of twin growth defects in magnetite

Daniel Gilks, Zlatko Nedelkoski, Leonardo Lari, Kosuke Matsuzaki, Tomofumi Susaki, Demie Kepaptsoglou, Quentin Ramasse, Richard F. L. Evans, Keith McKenna, and Vlado K. Lazarov

Scientific Reports 6, 20943 (2016)

Magnetic Switching in BPM, TEAMR, and Modified TEAMR by Using Dielectric Underlayer Media

Suttipan Aksornniem, Richard F. L. Evans, Roy W. Chantrell and Rardchawadee Silapunt

IEEE Transactions on Magnetics 52, 3200405 (2016)

Engineering ultrafast magnetism

I. Radu, C. Stamm, A. Eschenlohr, F. Radu, R. Abrudan, K. Vahaplar, T. Kachel, N. Pontius, R. Mitzner, K. Holldack, A. Föhlisch, R. F L Evans, T. A. Ostler, J. Mentink, R. W. Chantrell, A. Tsukamoto, A. Itoh, A. Kirilyuk, A. V. Kimel, T. H. Rasing

Ultrafast Magnetism I, Springer Proceedings in Physics 159 297-299 (2015)

Multiscale modeling of ultrafast magnetization dynamics

T. A. Ostler, J. Barker, R. F. L. Evans, U. Atxitia, R. W. Chantrell, O. Hovorka, O. Chubykalo-Fesenko

Ultrafast Magnetism I, Springer Proceedings in Physics 159 146-149 (2015)

The Landau–Lifshitz equation in atomistic models

M. O. A. Ellis, R. F. L. Evans, T. A. Ostler, J. Barker, U. Atxitia, O. Chubykalo-Fesenko and R. W. Chantrell

Low Temp. Phys. 41, 705 (2015)

Influence of uniaxial anisotropy on domain wall motion driven by spin torque

P. Chureemart, R. F. L. Evans, I. D’Amico and R. W. Chantrell

Phys. Rev. B 92, 054434 (2015)

Magnetotransport in metal/insulating-ferromagnet heterostructures: Spin Hall magnetoresistance or magnetic proximity effect

Xiang Zhou, Li Ma, Zhong Shi, Wei-Jia Fan, Jian-Guo Zheng, R. F. L. Evans, Shi-Ming Zhou

Physical Review B 92, 060402(R) (2015)

Study of perpendicular anisotropy L1₀-FePt pseudo spin valves using a micromagnetic trilayer model

P. Ho, R. F. L. Evans, R. W. Chantrell, G. C. Han, G. M. Chow, and J. S. Chen

J. Appl. Phys. 117, 213901 (2015)

Quantitative simulation of temperature-dependent magnetization dynamics and equilibrium properties of elemental ferromagnets

R. F. L. Evans, U. Atxitia and R. W. Chantrell

Physical Review B 91, 144425 (2015)

Atomistic simulation of sub-nanosecond non-equilibrium field cooling processes for magnetic data storage applications

R. F. L. Evans and W. J. Fan

Appl. Phys. Lett. 105, 192405 (2014)

A STEM study of twin defects in Fe₃O₄(111)/YZO(111)

D. Gilks, L. Lari, K. Matsuzaki, R. Evans, K. McKenna, T. Susaki and V. K. Lazarov

J. Phys.: Conf. Ser. 522 012036 (2014)

High energy product in Battenberg structured magnets

S. Bance, H. Oezelt, T. Schrefl, M. Winklhofer, G. Hrkac, G. Zimanyi, O. Gutfleisch, R. F. L. Evans, R. W. Chantrell, T. Shoji, M. Yano, N. Sakuma, A. Kato, and A. Manabe

Applied Physics Letters 105, 192401 (2014)

Mapping motion of antiferromagnetic interfacial uncompensated magnetic moment in exchange-biased bilayers

X. Zhou, L. Ma, Z. Shi, W. J. Fan, R. F. L. Evans, Jian-Guo Zheng, R. W. Chantrell, S. Mangin, H. W. Zhang and S. M. Zhou

Scientific Reports 5 9183 (2015)

Atomistic modeling of magnetization reversal modes in L1₀ FePt nanodots with magnetically soft edges

Jung-Wei Liao, Unai Atxitia, Richard F. L. Evans, Roy W. Chantrell and Chih-Huang Lai

Phys. Rev. B 90, 174415 (2014)

Atomistic calculation of the thickness and temperature dependence of exchange coupling through a dilute magnetic oxide

R. F. L. Evans, Q. Coopman, S. Devos, W. J. Fan, O. Hovorka and R. W. Chantrell

J. Phys. D: Appl. Phys. 47, 502001 (2014)

Ultrafast thermally induced magnetic switching in synthetic ferrimagnets

R. F. L. Evans, T. A. Ostler, R. W. Chantrell, I. Radu and Th. Rasing

Applied Physics Letters 104, 082410 (2014)

Atomistic spin model simulations of magnetic nanomaterials

R. F. L. Evans, W. J. Fan, P. Chureemart, T. A. Ostler, M. O. A. Ellis and R. W. Chantrell

J. Phys.: Condens. Matter 26, 103202 (2014)

Surface and interface effects in magnetic core–shell nanoparticless

R. F. L. Evans, R. W. Chantrell, and O. Chubykalo-Fesenko

MRS Bulletin 38, November, 909 (2013)

Effect of stacking faults on the magnetocrystalline anisotropy of hcp Co: a first-principles study

C. J. Aas, L. Szunyogh, R. F. L. Evans, and R. W. Chantrell

J. Phys.: Condens. Matter 25, 296006 (2013)

Ultrafast dynamical path for the switching of a ferrimagnet after femtosecond heating

U. Atxitia, T. Ostler, J. Barker, R. F. L. Evans, R. W. Chantrell, and O. Chubykalo-Fesenko

Phys. Rev. B 87, 224417 (2013)

The Curie temperature distribution of FePt in granular magnetic recording media

O. Hovorka, S. Devos, Q. Coopman, W. J. Fan, C. J. Aas, R. F. L. Evans, Xi Chen, G. Ju, and R. W. Chantrell

Appl. Phys. Lett. 101, 052406 (2012)

Ultrafast and Distinct Spin Dynamics in Magnetic Alloys

I. Radu, C. Stamm, A. Eschenlohr, F. Radu, R. Abrudan, K. Vahaplar, T. Kachel, N. Pontius, R. Mitzner, K. Holldack, A. Föhlisch, T. A. Ostler, J. H. Mentink, R. F. L. Evans, R. W. Chantrell, A. Tsukamoto, A. Itoh, A. Kirilyuk, A. V. Kimel, Th. Rasing

SPIN 5, 1550004 (2015)

Ultrafast heating as a sufficient stimulus for magnetization reversal in a ferrimagnet

T.A. Ostler, J. Barker, R.F.L. Evans, R. W. Chantrell, U. Atxitia, O. Chubykalo-Fesenko, S. El Moussaoui, L. Le Guyader, E. Mengotti, L.J. Heyderman, F. Nolting, A. Tsukamoto, A. Itoh, D. Afanasiev, B.A. Ivanov, A.M. Kalashnikova, K. Vahaplar, J. Mentink, A. Kirilyuk, Th. Rasing and A.V. Kimel

Nature Communications 3, 666 (2012)

Thermally induced error: density limit for magnetic data storage

R. F. L. Evans, R. W. Chantrell, U. Nowak, A. Lyberatos and H. J. Richter

Appl. Phys. Lett. 100, 102402 (2012)

The thermodynamic limits of magnetic recording

H.J. Richter, A. Lyberatos, U. Nowak, R. F. L. Evans and R.W. Chantrell

J. Appl. Phys. 111, 033909 (2012)

Stochastic form of the Landau-Lifshitz-Bloch equation

R. F. L. Evans, D. Hinzke, U. Atxitia, U. Nowak, R. W. Chantrell and O. Chubykalo-Fesenko

Phys. Rev. B 85, 014433 (2012)

Magnetic orientation in an advanced recording media

J. Chureemart, P. Chureemart, R. Evans, R. W. Chantrell and K. O'Grady

J. Phys. D: Appl. Phys. 44, 455002 (2011)

Micromagnetic Modelling of L1₀-FePt/Ag/L1₀-FePt Pseudo Spin Valves

P. Ho, R. F. L. Evans, R. W. Chantrell, G. C. Han, G. M. Chow, and J. S. Chen

Appl. Phys. Lett. 99, 162503 (2011)

Influence of interfacial roughness on exchange bias in core-shell nanoparticles

R. F. L. Evans, D. Bate, R. Yanes, R. W. Chantrell and O. Chubykalo-Fesenko

Phys. Rev. B 84, 092404 (2011)

Dynamics of domain wall driven by spin-transfer torque

P. Chureemart, R. F. L. Evans and R. W. Chantrell

Phys. Rev. B 83, 184416 (2011)

Perpendicular anisotropy L1₀-FePt based pseudo spin valve with Ag spacer layer

P. Ho, G. C. Han, R. W. Chantrell, R. F. L. Evans, G. M. Chow and J. S. Chen

Appl. Phys. Lett. 98, 132501 (2011)

Transient ferromagnetic-like state mediating ultrafast reversal of antiferro magnetically coupled spins

I. Radu, K. Vahaplar, C. Stamm, T. Kachel, N. Pontius, H. A. Dürr, T. A. Ostler, J. Barker, R. F. L. Evans, R. W. Chantrell, A. Tsukamoto, A. Itoh, A. Kirilyuk, Th. Rasing and A. V. Kimel

Nature 472, 205-208 (2011)

Atomistic Modelling of the Interlayer Coupling Behaviour in perpendicularly magnetized L1₀-FePt/Ag/L1₀-FePt Pseudo Spin Valves

P. Ho, R. F. L. Evans, R. W. Chantrell, G. C. Han, G. M. Chow and J. S. Chen

IEEE Trans. Mag. 47, 2646 (2011)

Study of Crystallographically Amorphous Ferrimagnetic Alloys: Comparing a Localized Atomistic Spin Model with Experiments

T. A. Ostler, R. F. L. Evans, R. W. Chantrell, U. Atxitia, O. Chubykalo-Fesenko, I. Radu, R. Abrudan, F. Radu, A. Tsukamoto, A. Itoh, A. Kirilyuk, T. Rasing, and A. Kimel

Phys. Rev. B 84, 024407 (2011)

Control of the exchange coupling in granular CoPt/Co recording media

W. J. Fan, R. F. L. Evans, Y. Hancock, and R. W. Chantrell

J. Appl. Phys. 109, 07B752 (2011)

Validation of Delta H(M, Delta M)-technique for identification of switching field distributions in the presence of thermal relaxation

O. Hovorka, R. F. L. Evans, R. W. Chantrell, Y. Liu, K. A. Dahmen, and A. Berger

J. Appl. Phys. 108, 123901 (2010)

Temperature dependence of the effective anisotropies in magnetic nanoparticles with Néel surface anisotropy

R. Yanes, O. Chubykalo-Fesenko, R. F. L. Evans and R. W. Chantrell

J. Phys. D: Appl. Phys. 43, 474009 (2010)

Energy losses in interacting fine-particle magnetic composites

F. Burrows, C. Parker, R. F. L. Evans, Y. Hancock, O. Hovorka and R. W. Chantrell

J. Phys. D: Appl. Phys. 43, 474010 (2010)

Atomistic spin model simulation of magnetic reversal modes near the Curie point

J. Barker, R. F. L. Evans, R. W. Chantrell, D. Hinzke, and U. Nowak

Appl. Phys. Lett. 97, 192504 (2010)

Multiscale modeling of magnetic materials: Temperature-dependence of the exchange stiffness

U. Atxitia, D. Hinzke, O. Chubykalo-Fesenko, U. Nowak, H. Kachkachi, O. N. Mryasov, R. F. Evans, and R. W. Chantrell

Phys. Rev. B 82, 134440 (2010)

Constrained Monte Carlo method and calculation of the temperature dependence of magnetic anisotropy

P. Asselin, R. F. L. Evans, J. Barker, R. W. Chantrell, R. Yanes, O. Chubykalo-Fesenko, D. Hinzke, and U. Nowak

Phys. Rev. B 82, 054415 (2010)

Rate-dependence of the switching field distribution in nanoscale granular magnetic materials

O. Hovorka, R. F. L. Evans, R. W. Chantrell and A. Berger

Appl. Phys. Lett. 97, 062504 (2010)

On beating the superparamagnetic limit with exchange bias

R. F. L. Evans, R. Yanes, O. Mryasov, R. W. Chantrell and O. Chubykalo-Fesenko

Euro Physics Letters 88, 57004 (2009)

Effective anisotropies and energy barriers of magnetic nanoparticles with Neel surface Anisotropy

R. Yanes, O. Chubykalo-Fesenko, H. Kachkachi, D. A. Garanin, R. Evans and R. W. Chantrell

Phys. Rev. B 76, 064416 (2007)

The Effects of the Surface on the Structural and Magnetic properties of CoAg Core-Shell Nanoparticles

R. Evans, F. Dorfbauer, O. Chubykalo-Fesenko, T. Schrefl and R. W. Chantrell

IEEE Trans. Mag. 43, 3106 (2007)

Effects of Surface Anisotropy on the Energy Barrier in Cobalt-Silver Core-Shell Nanoparticles

F. Dorfbauer, R. Evans, M. Kirschner, O Chubykalo-Fesenko, R. Chantrell, T. Schrefl

J. Mag. Magn. Mater. 316, 791 (2007)

The influence of shape and structure on the Curie temperature of Fe and Co nanoparticles

R. Evans, U. Nowak, F. Dorfbauer, T. Shrefl, O. Mryasov, R. W. Chantrell, G. Grochola

J. Appl. Phys. 99, 08G703 (2006)

Atomistic modelling of nanogranular magnetic materials

Richard F. L. Evans

PhD Thesis, University of York (2008)