Carré

prof.dr.ir. G. Koster (Gertjan)

Full Professor
TNW-NEM-IMS
Carré C3247
g.koster@utwente.nl
+31534894710
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Nano Electronic Materials

Expertise

  • Material Science

    • Oxide
    • Thin Films
    • Pulsed Laser Deposition
    • Ferroelectric Material
    • Heterojunction
    • Film
    • Surface
    • Nanosheet

Organisations

Three main directions: in situ spectroscopy, oxide thin film on different templates, oxide thin film growth.

Publications

Jump to: 2026 | 2025 | 2024

2026

A new spin on electrochemical water splitting: Unraveling Magnetically enhanced OER using thin-film model catalysts (2026)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. van der Minne, E.https://doi.org/10.3990/1.9789036571432Omnipolar Magnetic Field Detection by Superlattice-Based Hall Sensor (2026)Advanced functional materials. Article e00009 (E-pub ahead of print/First online). Huijben, M., Gauquelin, N., Annys, A., Liao, Z., Verbeeck, J., Rijnders, G. & Koster, G.https://doi.org/10.1002/adfm.202600009Ultrafast light-driven electronic and structural changes in LaFeO3 perovskites probed by femtosecond X-ray absorption spectroscopy (2026)[Dataset Types › Dataset]. figshare. Lazemi, M., Mohammad, F. J., Park, S. H., Katoch, A., Blankesteijn, H. J. F. A., Botello-Mendez, A., van der Minne, E., Birkhölzer, Y. A., van den Bosch, I. C. G., Kiens, E. M., Baeumer, C., Koster, G., Kwon, S., Bergmann, U. & de Groot, F. M. F.https://doi.org/10.6084/m9.figshare.28400777

2025

Guidelines for the Optimization of Hafnia-Based Ferroelectrics through Superlattice Engineering (2025)ACS Applied Electronic Materials, 7(24), 10860-10868. van Gent González, J., Mukherjee, B., van der Veer, E., Kiens, E. M., Koster, G., Kooi, B. J., Íñiguez-González, J. & Noheda, B.https://doi.org/10.1021/acsaelm.5c01966Cryogenic in situ fabrication of reversible direct write logic circuits and devices (2025)Nature communications, 16(1). Article 8606. Hong, Y., Wang, L., Shen, Z., Li, T., Wei, L., Hu, S., Liu, J., Xiao, W., Li, L., Huijben, M., Chen, K., Gan, Y., Rijnders, G., Koster, G. & Liao, Z.https://doi.org/10.1038/s41467-025-63647-0In search for non precious metal oxide electrodes with the case of BaMoO3 thin films for hydrogen evolution reaction (2025)Scientific reports, 15(1). Article 37801. Le, P. T. P., Ratovskii, V., Bieberle-Hütter, A., Koster, G. & Baeumer, C.https://doi.org/10.1038/s41598-025-21707-xPulsed laser deposition of ferroelectric gradient thin films (2025)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Avila, R. A.https://doi.org/10.3990/1.9789036569248Parametric study of barium titanate gradient thin films via off-center pulsed laser deposition (2025)Journal of crystal growth, 668. Article 128313. Avila, R. A., Kiens, E., Birkhölzer, Y., Shanker, O., Coolman, T., Struik, M., Bu, Y., Baeumer, C., Rijnders, G. & Koster, G.https://doi.org/10.1016/j.jcrysgro.2025.128313Growth of Quantum Materials by Pulsed Laser Deposition (2025)[Contribution to conference › Poster] MESA+ Meeting 2025. Ruiters, J. R. H., Hu, D., Sahoo, S., Chatterjee, A., M. Cunha, D., Rijnders, A. J. H. M. & Koster, G.Wafer-Scale Aluminium Scandium Nitride (AlScN) by Pulsed Laser Deposition: From Growth to Devices (2025)[Contribution to conference › Poster] MESA+ Meeting 2025. Hasan, M. M., van Slooten, J. I., Nickel, T., Nguyen, D. M., Koster, G. & Rijnders, A. J. H. M.Structural Properties of Hf0.5Zr0.5O2 Integrated on Silicon (2025)ACS Applied Electronic Materials, 7(17), 8013-8019. de Hond, K., Salverda, M., Ahmadi, M., Houwman, E., Noheda, B., Kooi, B. J., Rijnders, G. & Koster, G.https://doi.org/10.1021/acsaelm.5c00753Ultra-high energy storage density and efficiency at low electric fields/voltages in dielectric thin film capacitors through synergistic effects (2025)Journal of Materiomics, 11(5). Article 100980. Belhadi, J., Hanani, Z., Shepelin, N. A., Trstenjak, U., Daneu, N., Müller, A. M., Vockenhuber, C., Ambrožič, B., Bobnar, V., Koster, G., El Marssi, M., Lippert, T. & Spreitzer, M.https://doi.org/10.1016/j.jmat.2024.100980Laboratory-based in situ and operando tricolor x-ray photoelectron spectroscopy (2025)Science advances, 11(34), eadw6673. Article eadw6673. van den Bosch, I. C. G., Zaman, J. U., Shterk, G., Hamed, M. H., Schneider, M., Ratovskii, V., Bu, Y., Dietrich, P. M., Koster, G. & Baeumer, C.https://doi.org/10.1126/sciadv.adw6673Reduction of thermal conductivity by nanopillar inclusion in thermoelectric vertically aligned nanocomposites (2025)Journal of Physics: Energy, 7(3). Article 035009. van de Putte, M. W., Gambhir, J. S., Gauquelin, N., Sarantopoulos, A., Monteiro Cunha, D., Verbeeck, J., Koster, G., Rivadulla, F. & Huijben, M.https://doi.org/10.1088/2515-7655/add76bUltrafast Light-Driven Electronic and Structural Changes in LaFeO3 Perovskites Probed by Femtosecond X-Ray Absorption Spectroscopy (2025)Advanced materials, 37(29). Article 2502932. Lazemi, M., Mohammad, F. J., Park, S. H., Katoch, A., Blankesteijn, H. J. F. A., Botello-Méndez, A. R., van der Minne, E., Birkhölzer, Y. A., van den Bosch, I. C. G., Kiens, E. M., Baeumer, C., Koster, G., Kwon, S., Bergmann, U. & de Groot, F. M. F.https://doi.org/10.1002/adma.202502932Data underlying the publication: Laboratory-based in situ and operando tri-color X-ray photoelectron spectroscopy (2025)[Dataset Types › Dataset]. 4TU.Centre for Research Data. van den Bosch, I., Zaman, J. U., Shterk, G., Hussein Hamed, M., Schneider, M., Ratovskii, V., Bu, Y., Dietrich, P. M., Koster, G. & Baeumer, C.https://doi.org/10.4121/85b64719-1729-456f-a59d-955e7ff45b4eOhmic Response in BiFeO3 Domain Walls by Submicron‐Scale Four‐Point Probe Resistance Measurements (Adv. Electron. Mater. 7/2025): Graphical Abstract (2025)Advanced electronic materials, 11(7). Rieck, J. L., Kolster, M. L., Avila, R. A., Li, M., Rijnders, G., Koster, G., Palstra, T., Huijink, R. & Noheda, B.https://doi.org/10.1002/aelm.202570020Ohmic Response in BiFeO3 Domain Walls by Submicron-Scale Four-Point Probe Resistance Measurements (2025)Advanced electronic materials, 11(7). Article 2400794. Rieck, J. L., Kolster, M. L., Avila, R. A., Li, M., Rijnders, G., Koster, G., Palstra, T., Huijink, R. & Noheda, B.https://doi.org/10.1002/aelm.202400794Room-temperature epitaxy of α-CH3NH3PbI3 halide perovskite by pulsed laser deposition (2025)Nature Synthesis, 4(4), 432-443. Solomon, J. S., Soto-Montero, T., Birkhölzer, Y. A., Cunha, D. M., Soltanpoor, W., Ledinský, M., Orlov, N., Garnett, E. C., Forero-Correa, N., Reyes-Lillo, S. E., Haward, T. B., Lilly, J. R. S., Herz, L. M., Koster, G., Rijnders, G., Leppert, L. & Morales-Masis, M.https://doi.org/10.1038/s44160-024-00717-zEffect of Deposition Template on Model System High Entropy Oxides for the Oxygen Evolution Reaction (2025)[Contribution to conference › Poster] 76th Annual Meeting of the International Society of Electrochemistry. van den Bosch, I. C. G., van Weerdenburg, C. B. I., Dollekamp, E., Pryds, N., Koster, G. & Baeumer, C.Magnetic-field OER enhancement during water electrolysis: a magnetoresistive effect (2025)[Contribution to conference › Poster] MRS fall meeting & Exhibit 2025. van der Minne, E., Ratovskii, V., Koster, G. & Baeumer, C.

2024

Observing structural distortions in a LaMnO3 bilayer heterostructure on various [111] oriented substrates (2024)Physical Review Materials, 8(12). Article 125002. Jansen, T., Jannis, D., Bouwmeester, R. L., Zhang, Z., Bokdam, M., Koster, G., Gauquelin, N., Verbeeck, J. & Brinkman, A.https://doi.org/10.1103/PhysRevMaterials.8.125002Observation of Mermin-Wagner behavior in LaFeO3/SrTiO3 superlattices (2024)Nature communications, 15(1). Article 5313. Kiaba, M., Suter, A., Salman, Z., Prokscha, T., Chen, B., Koster, G. & Dubroka, A.https://doi.org/10.1038/s41467-024-49518-0Orbital-overlap-driven hybridization in 3d-transition metal perovskite oxides LaMO3 (M = Ti-Ni) and La2CuO4 (2024)Communications Physics, 7(1). Article 156. Liu, C. Y., Celiberti, L., Decker, R., Ruotsalainen, K., Siewierska, K., Kusch, M., Wang, R. P., Kim, D. J., Olaniyan, I. I., Di Castro, D., Tomiyasu, K., van der Minne, E., Birkhölzer, Y. A., Kiens, E. M., van den Bosch, I. C. G., Patil, K. N., Baeumer, C., Koster, G., Lazemi, M., … Föhlisch, A.https://doi.org/10.1038/s42005-024-01642-5Thermally Stable Capacitive Energy-Density and Colossal Electrocaloric and Pyroelectric Effects of Sm-Doped Pb(Mg1/3Nb2/3)O3-PbTiO3 Thin Films (2024)Journal of the American Chemical Society, 146(47), 32595-32604. Hanani, Z., Belhadi, J., Trstenjak, U., Shepelin, N. A., Bobnar, V., Uršič, H., Daneu, N., Novak, N., Fabijan, D., Razumnaya, A., Tikhonov, Y., Lippert, T., Kutnjak, Z., Koster, G., Lukyanchuk, I. & Spreitzer, M.https://doi.org/10.1021/jacs.4c11555

Research profiles

Committees:

  • Educational Quality Committee Advanced Technology (2010-1012)
  • Exam Board Advanced Technology (2012-2016)
  • Educational committee AT (2016-)

Affiliated study programs

Courses academic year 2026/2027

Courses in the current academic year are added at the moment they are finalised in the Osiris system. Therefore it is possible that the list is not yet complete for the whole academic year.

Courses academic year 2025/2026

Courses academic year 2024/2025

In the press

2016

2014

2013

2012

2011

2010

2009

2008

  •  Kunstkristalbouwer nummer drie by Henk Klomp, Technisch Weekblad no. 9 (in dutch); COMAT system

2007

  • Monitoring-and Possibly Improving-Superconducting Films by Hang Hogan, Spectroscopy Focus, September, pg 107; on APL 90 (2007) 261917
  • Watch out for the lack of oxygen by James N. Eckstein, Nature Materials (News and Views), 6 473; PRL 98 (2007) 196802
  • Evidence suggests that a ferromagnetic metal may lie at the interface between nonmagnetic insulatorsby B.G. Levi, Physics Today, June; PRL 98 (2007) 196802

Address

University of Twente

Carré (building no. 15), room C3247
Hallenweg 23
7522 NH Enschede
Netherlands

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Organisations

Additional contact information

<p><a href="http://www-k9.ijs.si/about-us/external-consultants/prof-gertjan-koster">Josef Stefan-K9 Advanced Materials</a></p>
<p><a href="https://nemi.microscopie.nl/about/#jet-tabs-control-6722">NEMI</a></p>

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