Richard Francis Llewelyn Evans

Search results

• 2019

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

  Iacocca, E., Liu, T. M., Reid, A. H., Fu, Z., Ruta, S., Granitzka, P. W., Jal, E., Bonetti, S., Gray, A. X., Graves, C. E., Kukreja, R., Chen, Z., Higley, D. J., Chase, T., Le Guyader, L., Hirsch, K., Ohldag, H., Schlotter, W. F., Dakovski, G. L. & Coslovich, G. & 13 others, Hoffmann, M. C., Carron, S., Tsukamoto, A., Kirilyuk, A., Kimel, A. V., Rasing, T., Stöhr, J., Evans, R. F. L., Ostler, T., Chantrell, R. W., Hoefer, M. A., Silva, T. J. & Dürr, H. A., 15 Apr 2019, In: Nature Communications. 10, 1, 11 p., 1756.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Temperature and Thickness Dependence of Statistical Fluctuations of the Gilbert Damping in Co - Fe - B / Mg O Bilayers

  Sampan-A-Pai, S., Chureemart, J., Chantrell, R. W., Chepulskyy, R., Wang, S., Apalkov, D., Evans, R. F. L. & Chureemart, P., 1 Apr 2019, In: Physical Review Applied. 11, 4, 8 p., 044001.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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

  Skelland, C., Ostler, T., Westmoreland, S. C., Evans, R. F. L., Chantrell, R. W., Yano, M., Shoji, T., Kato, A., Winklhofer, M., Zimanyi, G., Fischbacher, J., Schref, T. & Hrkac, G., 1 Oct 2019, In: IEEE Transactions on Magnetics. 55, 10, 5 p., 8743554.

  Research output: Contribution to journal › Article › peer-review
• 2018

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

  Jenkins, S. & Evans, R. F. L., 25 Sept 2018, In: Journal of Applied Physics. 124, 5 p., 152105.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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

  Vatansever, E., Sarikurt, S. & Evans, R. F. L., 25 Apr 2018, In: Materials Research Express. 5, 4, 6 p., 046108.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Multiscale model approaches to the design of advanced permanent magnets

  Westmoreland, S. C., Evans, R. F. L., Hrkac, G., Schrefl, T., Zimanyi, G. T., Winklhofer, M., Sakuma, N., Yano, M., Kato, A., Shoji, T., Manabe, A., Ito, M. & Chantrell, R. W., 15 Apr 2018, In: Scripta Materialia. 148, p. 56-62 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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

  Skelland, C., Ostler, T., Westmoreland, S. C., Evans, R. F. L., Chantrell, R. W., Yano, M., Shoji, T., Manabe, A., Kato, A., Ito, M., Winklhofer, M., Zimanyi, G., Fischbacher, J., Schrefl, T. & Hrkac, G., 19 Jun 2018, In: IEEE Transactions on Magnetics. 54, 11, 5 p., 8388730.

  Research output: Contribution to journal › Article › peer-review

• Reprint of Multiscale model approaches to the design of advanced permanent magnets

  Westmoreland, S. C., Evans, R. F. L., Hrkac, G., Schrefl, T., Zimanyi, G. T., Winklhofer, M., Sakuma, N., Yano, M., Kato, A., Shoji, T., Manabe, A., Ito, M. & Chantrell, R. W., 1 Sept 2018, In: Scripta Materialia. 154, p. 266-272 7 p.

  Research output: Contribution to journal › Article › peer-review

• Site-Resolved Contributions to the Magnetic-Anisotropy Energy and Complex Spin Structure of Fe/MgO Sandwiches

  Cuadrado, R., Oroszlány, L., Deák, A., Ostler, T. A., Meo, A., Chepulskii, R. V., Apalkov, D., Evans, R. F. L., Szunyogh, L. & Chantrell, R. W., 30 May 2018, In: Physical Review Applied. 9, 5, 6 p., 054048.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Spin canting across core/shell Fe3O4/MnxFe3−xO4 nanoparticles

  Oberdick, S. D., Abdelgawad, A., Moya, C., Mesbahi-Vasey, S., Kepaptsoglou, D., Lazarov, V. K., Evans, R. F. L., Meilak, D., Skoropata, E., van Lierop, J., Hunt-Isaak, I., Pan, H., Ijiri, Y., Krycka, K. L., Borchers, J. A. & Majetich, S. A., 21 Feb 2018, (E-pub ahead of print) In: Scientific Reports. 8, 1, p. 3425 1 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Temperature-dependent properties of CoFeB/MgO thin films: Experiments versus simulations

  Sato, H., Chureemart, P., Matsukura, F., Chantrell, R. W., Ohno, H. & Evans, R. F. L., 14 Dec 2018, In: Physical Review B. 98, 21, 214428.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• The indispensable role of the transversal spin fluctuations mechanism in laser-induced demagnetization of Co/Pt multilayers with nanoscale magnetic domains

  Zhang, W., He, W., Peng, L. C., Zhang, Y., Cai, J. W., Evans, R. F. L., Zhang, X. Q. & Cheng, Z. H., 4 May 2018, In: Nanotechnology. 29, 27, 9 p., 275703.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2017

  Half-Metallic Ferromagnetism in Double Perovskite Ca_2CoMoO6 Compound: DFT + U Calculations

  Djefal, A., Amari, S., Obodo, K. O., Beldi, L., Bendaoud, H., Evans, R. F. L. & Bouhafs, B., 1 Dec 2017, In: Spin. 7, 4, 1750009.

  Research output: Contribution to journal › Article › peer-review

  File

• Hybrid Design for Advanced Magnetic Recording Media: Combining Exchange-Coupled Composite Media with Coupled Granular Continuous Media

  Chureemart, P., Evans, R. F. L., Chantrell, R. W., Huang, P. W., Wang, K., Ju, G. & Chureemart, J., 21 Aug 2017, In: Physical Review Applied. 8, 2, 024016.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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

  Ellis, M. O. A., Ababei, R. V., Wood, R., Evans, R. F. L. & Chantrell, R. W., 21 Aug 2017, In: Applied Physics Letters. 111, 8, 082405.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Origin of reduced magnetization and domain formation in small magnetite nanoparticles

  Nedelkoski, Z., Kepaptsoglou, D., Lari, L., Wen, T., Booth, R. A., Oberdick, S. D., Galindo, P. L., Ramasse, Q. M., Evans, R. F. L., Majetich, S. & Lazarov, V. K., 10 Apr 2017, In: Scientific Reports. 7, 8 p., 45997.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Thermally nucleated magnetic reversal in CoFeB/MgO nanodots

  Meo, A., Chureemart, P., Wang, S., Chepulskyy, R., Apalkov, D., Chantrell, R. W. & Evans, R. F. L., 1 Dec 2017, (E-pub ahead of print) In: Scientific Reports. 7, 1, 10 p., 16729.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2016

  First-principles study of the Fe

  Bose, T., Cuadrado, R., Evans, R. F. L., Chepulskii, R. V., Apalkov, D. & Chantrell, R. W., 17 Mar 2016, In: Journal of physics : Condensed matter. 28, 15, p. 1-9 9 p., 156003.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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

  Aksornniem, S., Evans, R. F. L., Chantrell, R. W. & Silapunt, R., 1 Feb 2016, In: IEEE Transactions on Magnetics. 52, 2, 5 p., 7298448.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Newtype single-layer magnetic semiconductor in transition-metal dichalcogenides VX 2 (X = S, Se and Te)

  Fuh, H. R., Chang, C. R., Wang, Y. K., Jeng, H. T., Evans, R. F. L. & Chantrell, R. W., 7 Sept 2016, In: Scientific Reports. 6, 11 p., 32625.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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

  Nedelkoski, Z., Sanchez, A. M., Ghasemi, A., Hamaya, K., Evans, R. F. L., Bell, G. R., Hirohata, A. & Lazarov, V., 2 Dec 2016, In: Applied Physics Letters. 109, 22, 5 p., 222405.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2015

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

  Chureemart, P., Evans, R. F. L., D'Amico, I. & Chantrell, R. W., 25 Aug 2015, In: Physical Review B. 92, 5, p. 1-9 9 p., 054434.

  Research output: Contribution to journal › Article › peer-review

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

  Zhou, X., Ma, L., Shi, Z., Fan, W. J., Zheng, J. G., Evans, R. F. L. & Zhou, S. M., 4 Aug 2015, In: Physical Review B. 92, 6, 060402.

  Research output: Contribution to journal › Article › peer-review

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

  Zhou, X., Ma, L., Shi, Z., Fan, W. J., Evans, R. F. L., Zheng, J. G., Chantrell, R. W., Mangin, S., Zhang, H. W. & Zhou, S. M., 17 Mar 2015, In: Scientific Reports. 5, 9183.

  Research output: Contribution to journal › Article › peer-review

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

  Evans, R. F. L., Atxitia, U. & Chantrell, R. W., 30 Apr 2015, In: Physical Review B: Condensed Matter and Materials Physics. 91, 14, 144425.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Study of perpendicular anisotropy L1<inf>0</inf>-FePt pseudo spin valves using a micromagnetic trilayer model

  Ho, P., Evans, R. F. L., Chantrell, R. W., Han, G., Chow, G. M. & Chen, J., 1 Jan 2015, In: Journal of Applied Physics. 117, 21, 213901.

  Research output: Contribution to journal › Article › peer-review

• The Landau-Lifshitz equation in atomistic models

  Ellis, M. O. A., Evans, R. F. L., Ostler, T. A., Barker, J., Atxitia, U., Chubykalo-Fesenko, O. & Chantrell, R. W., 1 Sept 2015, In: Fizika Nizkikh Temperatur. 41, 9, p. 908-916 9 p.

  Research output: Contribution to journal › Article › peer-review

• The Landau-Lifshitz equation in atomistic models

  Ellis, M. O. A., Evans, R. F. L., Ostler, T. A., Barker, J., Atxitia, U., Chubykalo-Fesenko, O. & Chantrell, R. W., 2015, In: Low Temperature Physics. 41, 9, p. 705-712 8 p.

  Research output: Contribution to journal › Article › peer-review

• Ultrafast and Distinct Spin Dynamics in Magnetic Alloys

  Radu, I., Stamm, C., Eschenlohr, A., Radu, F., Abrudan, R., Vahaplar, K., Kachel, T., Pontius, N., Mitzner, R., Holldack, K., Föhlisch, A., Ostler, T. A., Mentink, J. H., Evans, R. F. L., Chantrell, R. W., Tsukamoto, A., Itoh, A., Kirilyuk, A., Kimel, A. V. & Rasing, T., 1 Sept 2015, In: Spin. 5, 3, 1550004.

  Research output: Contribution to journal › Article › peer-review
• 2014

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

  Gilks, D., Lari, L., Matsuzaki, K., Evans, R. F. L., McKenna, K., Susaki, T., Lazarov, V. K. & Evans, R. F. L., 2014, In: Journal of Physics: Conference Series. 522, 1, 4 p., 012036.

  Research output: Contribution to journal › Article › peer-review

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

  Evans, R. F. L., Coopman, Q., Devos, S., Fan, W. J., Hovorka, O. & Chantrell, R. W., 17 Dec 2014, In: Journal of Physics D: Applied Physics. 47, 50, 5 p., 502001.

  Research output: Contribution to journal › Article › peer-review

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

  Liao, J. W., Atxitia, U., Evans, R. F. L., Chantrell, R. W. & Lai, C. H., 13 Nov 2014, In: Physical Review B. 90, 17, 174415.

  Research output: Contribution to journal › Article › peer-review

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

  Evans, R. F. L. & Fan, W. J., 10 Nov 2014, In: Applied Physics Letters. 105, 19, 4 p., 192405.

  Research output: Contribution to journal › Article › peer-review

• Atomistic spin model simulations of magnetic nanomaterials

  Evans, R. F. L., Fan, W. J., Chureemart, P., Ostler, T. A., Ellis, M. O. A. & Chantrell, R. W., 12 Mar 2014, In: Journal of physics : Condensed matter. 26, 10, 103202.

  Research output: Contribution to journal › Article › peer-review

• High energy product in Battenberg structured magnets

  Bance, S., Oezelt, H., Schrefl, T., Winklhofer, M., Hrkac, G., Zimanyi, G., Gutfleisch, O., Evans, R. F. L., Chantrell, R. W., Shoji, T., Yano, M., Sakuma, N., Kato, A. & Manabe, A., 10 Nov 2014, In: Applied Physics Letters. 105, 19, 4 p., 192401.

  Research output: Contribution to journal › Article › peer-review

• Ultrafast thermally induced magnetic switching in synthetic ferrimagnets

  Evans, R. F. L., Ostler, T. A., Chantrell, R. W., Radu, I. & Rasing, T., 27 Feb 2014, In: Applied Physics Letters. 104, 8, 082410.

  Research output: Contribution to journal › Article › peer-review
• 2013

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

  Aas, C. J., Szunyogh, L., Evans, R. F. L. & Chantrell, R. W., 24 Jul 2013, In: Journal of physics : Condensed matter. 25, 29, p. 1-6 6 p., 296006 .

  Research output: Contribution to journal › Article › peer-review

• Surface and interface effects in magnetic core-shell nanoparticles

  Evans, R. F. L., Chantrell, R. W. & Chubykalo-Fesenko, O., 1 Nov 2013, In: MRS BULLETIN. 38, 11, p. 909-914

  Research output: Contribution to journal › Article › peer-review

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

  Atxitia-MacIzo, U., Ostler, T., Barker, J., Evans, R. F. L., Chantrell, R. W. & Chubykalo-Fesenko, O., 20 Jun 2013, In: Physical Review B: Condensed Matter and Materials Physics. 87, 22, 224417.

  Research output: Contribution to journal › Article › peer-review
• 2012

  Stochastic form of the Landau-Lifshitz-Bloch equation.

  Evans, R. F. L., Hinzke, D., Atxitia-MacIzo, U., Nowak, U., Chantrell, R. W. & Chubykalo-Fesenko, O., 26 Jan 2012, In: Physical Review B: Condensed Matter and Materials Physics. 85, 1, p. 1-9 9 p., 014433.

  Research output: Contribution to journal › Article › peer-review

• The Curie temperature distribution of FePt granular magnetic recording media

  Hovorka, O., Devos, S., Coopman, Q., Fan, W. J., Aas, C. J., Evans, R. F. L., Chen, X., Ju, G. & Chantrell, R. W., 1 Aug 2012, In: Applied Physics Letters. 101, 5, 052406.

  Research output: Contribution to journal › Article › peer-review

• Thermally induced error: Density limit for magnetic data storage

  Evans, R. F. L., Chantrell, R. W., Nowak, U., Lyberatos, A. & Richter, H.-J., 5 Mar 2012, In: Applied Physics Letters. 100, 10, 102402.

  Research output: Contribution to journal › Article › peer-review

• The thermodynamic limits of magnetic recording

  Richter, H. J., Lyberatos, A., Nowak, U., Evans, R. F. L. & Chantrell, R. W., 1 Feb 2012, In: Journal of Applied Physics. 111, 3, 033909.

  Research output: Contribution to journal › Article › peer-review

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

  Ostler, T. A., Barker, J., Evans, R. F. L., Chantrell, R. W., Atxitia, U., Chubykalo-Fesenko, O., El Moussaoui, S., Le Guyader, L., Mengotti, E., Heyderman, L. J., Nolting, F., Tsukamoto, A., Itoh, A., Afanasiev, D., Ivanov, B. A., Kalashnikova, A. M., Vahaplar, K., Mentink, J., Kirilyuk, A. & Rasing, T. & 1 others, Kimel, A. V., 1 Jan 2012, In: Nature Communications. 3, p. 1-9 9 p., 666.

  Research output: Contribution to journal › Article › peer-review
• 2011

  Atomistic modeling of the interlayer coupling behavior in perpendicularly magnetized L1-FePt/Ag/L1-FePt pseudo spin valves

  Ho, P., Evans, R. F. L., Chantrell, R. W., Han, G., Chow, G.-M. & Chen, J., 1 Oct 2011, In: IEEE Transactions on Magnetics. 47, 10, p. 2646-2648 3 p.

  Research output: Contribution to journal › Article › peer-review

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

  Fan, W. J., Evans, R. F. L., Hancock, Y. & Chantrell, R. W., 1 Apr 2011, In: Journal of Applied Physics. 109, 7, p. 07B752 07B752.

  Research output: Contribution to journal › Article › peer-review

• Crystallographically amorphous ferrimagnetic alloys: Comparing a localized atomistic spin model with experiments

  Ostler, T. A., Evans, R. F. L., Chantrell, R. W., Atxitia, U., Chubykalo-Fesenko, O., Radu, I., Abrudan, R., Radu, F., Tsukamoto, A., Itoh, A., Kirilyuk, A., Rasing, T. & Kimel, A., 6 Jul 2011, In: Physical Review B: Condensed Matter and Materials Physics. 84, 2

  Research output: Contribution to journal › Article › peer-review

• Dynamics of domain wall driven by spin-transfer torque

  Chureemart, P., Evans, R. F. L. & Chantrell, R. W., 18 May 2011, In: Physical Review B: Condensed Matter and Materials Physics. 83, 18

  Research output: Contribution to journal › Article › peer-review

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

  Evans, R. F. L., Bate, D., Chantrell, R. W., Yanes, R. & Chubykalo-Fesenko, O., 28 Sept 2011, In: Physical Review B: Condensed Matter and Materials Physics. 84, 9

  Research output: Contribution to journal › Article › peer-review

• Magnetic orientation in advanced recording media

  Chureemart, J., Chureemart, P., Evans, R. F. L., Chantrell, R. W. & O'Grady, K. D., 28 Oct 2011, In: Journal of Physics D: Applied Physics. 44, 45, p. 1-4 4 p., 455002.

  Research output: Contribution to journal › Article › peer-review