• 7091 Citations

Research output per year

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Personal profile


"It fascinates me to discover how subtle interactions at the nanoscale between electrons, their quantum mechanical spins and photons can be of such tremendous importance for future photonic technology."

Research profile

Bert Koopmans is a Full Professor and Group leader of the group Physics of Nanostructures (FNA) at Eindhoven University of Technology (TU/e). His areas of expertise include nanotechnology, nano-electronics and spintronics. Koopmans’ earlier work has been in (non-linear) optics of fullerenes and semiconductor quantum structures. His present research activities are in spintronics, nanomagnetism and ultrafast spin- & magnetization-dynamics. Key research achievements have been made in femtosecond magnetization processes, controlling domain wall motion in nanodevices and organic spintronics – in many cases combining advanced nanoscale experiments with the development of novel theoretical frameworks.

Within IPI, Bert has initiated research on integrated magneto-photonics. Among other applications such as optical isolators and reconfigurable photonics, he envisions spintronic-photonic memories where data is transferred between a photonic waveguide and a magnetic ‘racetrack’ without intermediate electronic steps. These approaches are considered to contribute to future energy-efficient and versatile information technology.

Academic background

Bert Koopmans obtained his PhD from the University of Groningen. After a period as postdoc at the Radboud University Nijmegen, he spent three years as a Humboldt Fellow at the Max-Planck Institute for Solid State Physics in Stuttgart. In 1997 he joined the Department of Applied Physics at TU/e, where he became a Full Professor and leader of the group Physics of Nanostructures (FNA). Since 2014, Bert has been on the management team of the Research Centre for Integrated NanoPhotonics.

 In 2004 Bert was awarded an NWO Vici grant. He has been coordinator of the center for NanoMaterials (cNM) and program director of the Program on Advanced NanoElectronic Devices within NanoNextNL, a Dutch national consortium for nanotechnology research. At present, he is a member of the board of NanoLabNL, a Dutch national facility providing an open-access infrastructure for R&D in nanotechnology, as well as the advisory board of NanoLab@TU/e.

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Research Output

Explaining the paradoxical diversity of ultrafast laser-induced demagnetization

Koopmans, B., Malinowski, G., Dalla Longa, F., Steiauf, D., Fähnle, M., Roth, T., Cinchetti, M. & Aeschlimann, M., 2010, In : Nature Materials. 9, 3, p. 259-265 7 p.

Research output: Contribution to journalArticleAcademicpeer-review

  • 432 Citations (Scopus)
    5 Downloads (Pure)

    Tuning organic magnetoresistance in polymer-fullerene blends by controlling spin reaction pathways

    Janssen, P., Cox, M., Wouters, S. H. W., Kemerink, M., Wienk, M. M. & Koopmans, B., 2013, In : Nature Communications. 4, 8 p., 2286.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
  • 80 Citations (Scopus)
    92 Downloads (Pure)

    Domain wall depinning governed by the spin Hall effect

    Haazen, P. P. J., Muré, E., Franken, J. H., Lavrijsen, R., Swagten, H. J. M. & Koopmans, B., 2013, In : Nature Materials. 12, 4, p. 299-303 5 p.

    Research output: Contribution to journalArticleAcademicpeer-review

  • 322 Citations (Scopus)
    9 Downloads (Pure)

    Ultrafast spin-transfer torque driven by femtosecond pulsed-laser excitation

    Schellekens, A. J., Kuiper, K. C., de Wit, R. R. J. C. & Koopmans, B., 2014, In : Nature Communications. 5, 4333.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
  • 76 Citations (Scopus)
    162 Downloads (Pure)

    Field-free magnetization reversal by spin-Hall effect and exchange bias

    van den Brink, A., Vermijs, G., Solignac, A., Koo, J., Kohlhepp, J. T., Swagten, H. J. M. & Koopmans, B., Mar 2016, In : Nature Communications. 7, p. 1-6 10854.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    117 Citations (Scopus)
    202 Downloads (Pure)


    Research Center for Integrated Nano-Photonics

    H.J.S. Dorren (Recipient), W.M.M. Kessels (Recipient), P.M. Koenraad (Recipient), A.M.J. Koonen (Recipient) & B. Koopmans (Recipient), 2014

    Prize: NWOGravitationScientific

  • Activities

    • 1 Publication peer-review

    Nanoscale (Journal)

    A. Cao (Editorial board member), Xueying Zhang (Editorial board member), B. Koopmans (Editorial board member), Shouzhong Peng (Editorial board member), Yu Zhang (Editorial board member), Zilu Wang (Editorial board member), Shaohua Yan (Editorial board member), Hongxin Yang (Editorial board member), Weisheng Zhao (Editorial board member)
    28 May 2018

    Activity: Publication peer-review and editorial work typesPublication peer-reviewScientific


    Condensed matter

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    Student theses

    All-optical switching in Co/Pt magnetic dots

    Author: Evers, S., 2018

    Supervisor: Peeters, M. J. (Supervisor 1) & Koopmans, B. (Supervisor 2)

    Student thesis: Bachelor


    An all-optical method for measuring ultrafast material-specific magnetization dynamics

    Author: de Vries, N., 2014

    Supervisor: Schellekens, A. (Supervisor 1) & Koopmans, B. (Supervisor 2)

    Student thesis: Bachelor


    Andreev reflection in focused beam induced deposited materials: a multichannel model

    Author: Daniels, C., 31 May 2014

    Supervisor: Sharma, N. (Supervisor 1), Kohlhepp, J. (Supervisor 2), Kurnosikov, O. (Supervisor 2) & Koopmans, B. (Supervisor 2)

    Student thesis: Master


    An exploration of organic spin-valve structures

    Author: Lumens, P., 1 Apr 2010

    Supervisor: Bloom, F. (Supervisor 1), Schoonus, J. (Supervisor 2), Wagemans, W. (Supervisor 2) & Koopmans, B. (Supervisor 2)

    Student thesis: Master


    An NMR study of Heusler alloys

    Author: Jacobs, P., 31 Aug 2009

    Supervisor: Koopmans, B. (Supervisor 1), Kohlhepp, J. (Supervisor 2) & Wurmehl, S. (External person) (Supervisor 2)

    Student thesis: Master