About Me
Expertise
Engineering & Materials Science
# Epitaxial Growth
# Ferroelectric Materials
# Heterojunctions
# Nanosheets
# Oxides
# Pulsed Laser Deposition
# Substrates
# Thin Films
Organisations
Research
Three main directions: in situ spectroscopy, oxide thin film on different templates, oxide thin film growth.
Publications
Recent
Nunnenkamp, M. (2023).
Ferroelectrics for GaN based High Power Devices. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente.
https://doi.org/10.3990/1.9789036558181
Verdierre, G., Gauquelin, N., Jannis, D.
, Birkhölzer, Y. A., Mallik, S., Verbeeck, J., Bibes, M.
, & Koster, G. (2023).
Epitaxial growth of the candidate ferroelectric Rashba material SrBiO3by pulsed laser deposition.
APL materials,
11(3), [031109].
https://doi.org/10.1063/5.0138222
Zheng, J. (2023).
Fast-Charging Electrodes by Crystal Structure Control Towards High-Performance Lithium-Ion Batteries. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente.
https://doi.org/10.3990/1.9789036557986
Ni, S.
, Houwman, E.
, Koster, G.
, & Rijnders, G. (2023).
On the importance of the SrTiO3 template and the electronic contact layer for the integration of phase-pure low hysteretic Pb(Mg0.33Nb0.67)O3-PbTiO3 layers with Si.
Applied physics A: Materials science and processing,
129(4), [275].
https://doi.org/10.1007/s00339-023-06447-x
Kante, M. V., Weber, M. L.
, Ni, S., van den Bosch, I. C. G., van der Minne, E., Heymann, L., Falling, L. J., Gauquelin, N.
, Tsvetanova, M.
, Cunha, D. M.
, Koster, G., Gunkel, F., Nemšák, S., Hahn, H., Velasco Estrada, L.
, & Baeumer, C. (2023).
A High-Entropy Oxide as High-Activity Electrocatalyst for Water Oxidation.
ACS nano,
17(6), 5329-5339.
https://doi.org/10.1021/acsnano.2c08096
Trstenjak, U., Daneu, N., Belhadi, J., Samardžija, Z., Matavž, A., Bobnar, V.
, Koster, G., & Spreitzer, M. (2023).
Non-stoichiometry and its implications for the properties of PMN-PT thin films.
Journal of materials chemistry C,
11(3), 1144-1154.
https://doi.org/10.1039/d2tc04070k
Jovanović, Z., Trstenjak, U., Ho, H. C., Butsyk, O.
, Chen, B., Tchernychova, E., Borodavka, F.
, Koster, G., Hlinka, J., & Spreitzer, M. (2023).
Tiling the Silicon for Added Functionality: PLD Growth of Highly Crystalline STO and PZT on Graphene Oxide-Buffered Silicon Surface.
ACS Applied Materials and Interfaces,
15(4), 6058-6068.
https://doi.org/10.1021/acsami.2c17351
van de Putte, M. W. (2023).
Vertically aligned nanocomposites as next-generation thermoelectric architectures. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente.
https://doi.org/10.3990/1.9789036555432
Le, P. T. P.
, Ni, S., Repecaud, P. A., van der Minne, E.
, van den Nieuwenhuijzen, K. J. H.
, Nguyen, M. D.
, ten Elshof, J. E.
, Morales-Masis, M.
, & Koster, G. (2023).
Correlated Metals Transparent Conductors with High UV to Visible Transparency on Amorphous Substrates.
Advanced materials interfaces,
10(1), [2201335].
https://doi.org/10.1002/admi.202201335
Uemura, Y., Ismail, A. S. M., Park, S. H., Kwon, S., Kim, M., Elnaggar, H., Frati, F., Wadati, H., Hirata, Y., Zhang, Y., Yamagami, K., Yamamoto, S., Matsuda, I.
, Halisdemir, U.
, Koster, G., Milne, C., Ammann, M., Weckhuysen, B. M., & De Groot, F. M. F. (2022).
Hole Dynamics in Photoexcited Hematite Studied with Femtosecond Oxygen K-edge X-ray Absorption Spectroscopy.
The journal of physical chemistry letters,
13(19), 4207-4214.
https://doi.org/10.1021/acs.jpclett.2c00295
Houwman, E. P., Okkerman, L.
, Do, M. T.
, Koster, G.
, & Rijnders, G. (2022).
Interface-induced effects on the polarization response of epitaxial ferroelectric thin films—an experimental study and theoretical analysis. In
Epitaxial Growth of Complex Metal Oxides: Second Edition (pp. 137-155). Elsevier.
https://doi.org/10.1016/B978-0-08-102945-9.00001-0
Belhadi, J., Hanani, Z., Trstenjak, U., Shepelin, N. A., Bobnar, V.
, Koster, G., Hlinka, J., Pergolesi, D., Lippert, T., El Marssi, M.
, & Spreitzer, M. (2022).
Large imprint in epitaxial 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3thin films for piezoelectric energy harvesting applications.
Applied physics letters,
121(18), [182903].
https://doi.org/10.1063/5.0115777
Koster, G.
, Birkhölzer, Y.
, Huijben, M.
, Rijnders, G., Spreitzer, M., Kornblum, L.
, & Smink, S. (2022).
Growth studies of heteroepitaxial oxide thin films using reflection high-energy electron diffraction. In
Epitaxial Growth of Complex Metal Oxides: Second Edition (pp. 3-36). Elsevier.
https://doi.org/10.1016/B978-0-08-102945-9.00003-4
Koster, G.
, & Rijnders, A. J. H. M. (2022).
Integration of thin film functional oxides on technical substrates. Poster session presented at MESA+ Meeting 2022, Enschede, Netherlands.
van den Bosch, I. C. G., Kiens, E.
, Mul, G.
, Koster, G.
, Mei, B. T.
, & Baeumer, C. (2022).
Tuning the activity of multilayer oxygen evolution electrocatalysts. Poster session presented at NWO CHAINS 2022, Veldhoven, Netherlands.
van der Minne, E., van den Bosch, I. C. G.
, Le, T. P. P., Kiens, E.
, Ni, S., Heymann, L.
, Koster, G.
, & Baeumer, C. (2022).
Electrochemical Thin Films and Interfaces. Poster session presented at MESA+ Meeting 2022, Enschede, Netherlands.
Ni, S., Kante, M. V.
, M. Cunha, D., Weber, M. L., van den Bosch, I. C. G., Heymann, L., van der Minne, E., Falling, L.
, Koster, G., Gunkel, F., Nemsak, S., Hahn, H., Velasco, M.
, & Baeumer, C. (2022).
High-activity electrocatalyst La(Cr0.2Mn0.2Fe0.2Co0.2Ni0.2)O3 for water oxidation. Poster session presented at NWO CHAINS 2022, Veldhoven, Netherlands.
Birkhölzer, Y. A.
, Sotthewes, K., Gauquelin, N., Riekehr, L., Jannis, D., Van Der Minne, E., Bu, Y., Verbeeck, J.
, Zandvliet, H. J. W.
, Koster, G.
, & Rijnders, G. (2022).
High-Strain-Induced Local Modification of the Electronic Properties of VO2Thin Films.
ACS Applied Electronic Materials,
4(12), 6020-6028.
https://doi.org/10.1021/acsaelm.2c01176
Ni, S. (2022).
Relaxor ferroelectric PMN-PT thin films for low hysteretic microelectronic devices. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente.
https://doi.org/10.3990/1.9789036554640
Nguyen, M. D.
, Birkhölzer, Y. A.
, Houwman, E. P.
, Koster, G.
, & Rijnders, G. (2022).
Enhancing the Energy-Storage Density and Breakdown Strength in PbZrO3/Pb0.9La0.1Zr0.52Ti0.48O3-Derived Antiferroelectric/Relaxor-Ferroelectric Multilayers.
Advanced energy materials,
12(29), [2200517].
https://doi.org/10.1002/aenm.202200517
Birkhölzer, Y. A. (2022).
Nanoscale strain control of oxide thin films. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente.
https://doi.org/10.3990/1.9789036553483
Bouwmeester, R. L.
, Jansen, T., Altena, M.
, Koster, G.
, & Brinkman, A. (2022).
Observing structural distortions in complex oxides by x-ray photoelectron diffraction.
Journal of electron spectroscopy and related phenomena,
257, [147201].
https://doi.org/10.1016/j.elspec.2022.147201
Chen, B., Gauquelin, N., Strkalj, N.
, Huang, S.
, Halisdemir, U.
, Nguyen, M. D., Jannis, D., Sarott, M. F., Eltes, F., Abel, S., Spreitzer, M., Fiebig, M., Trassin, M., Fompeyrine, J., Verbeeck, J.
, Huijben, M.
, Rijnders, G.
, & Koster, G. (2022).
Signatures of enhanced out-of-plane polarization in asymmetric BaTiO3 superlattices integrated on silicon.
Nature communications,
13(1), [265].
https://doi.org/10.1038/s41467-021-27898-x
Uemura, Y., Ismail, A. S. M., Park, S. H., Kwon, S., Kim, M., Niwa, Y., Wadati, H., Elnaggar, H., Frati, F., Haarman, T., Höppel, N., Huse, N., Hirata, Y., Zhang, Y., Yamagami, K., Yamamoto, S., Matsuda, I., Katayama, T., Togashi, T., ... De Groot, F. M. F. (2021).
Femtosecond Charge Density Modulations in Photoexcited CuWO4.
The Journal of physical chemistry C,
125(13), 7329-7336.
https://doi.org/10.1021/acs.jpcc.0c10525
Chen, B., Gauquelin, N., Green, R. J., Verbeeck, J.
, Rijnders, G.
, & Koster, G. (2021).
Asymmetric Interfacial Intermixing Associated Magnetic Coupling in LaMnO3/LaFeO3 Heterostructures.
Frontiers in Physics,
9, [698154].
https://doi.org/10.3389/fphy.2021.698154
Other Contributions
UT Research Information System
Google Scholar Link
Education
Committees:
- Educational Quality Committee Advanced Technology (2010-1012)
- Exam Board Advanced Technology (2012-2016)
- Educational committee AT (2016-)
Affiliated Study Programmes
Bachelor
Master
Courses Academic Year 2023/2024
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 2022/2023
In the press
2016
- https://www.utwente.nl/nieuws/!/2016/3/477452/nanotechnologen-ut-maken-richting-van-magnetisme-instelbaar-in-nieuwe-materialen
- https://www.scientias.nl/nieuw-materiaal-laat-computer-denken-als-mens/
- https://www.utwente.nl/nieuws/!/2016/7/180869/brein-inspireert-ut-onderzoekers-tot-nieuw-geheugenmateriaal
2014
- http://www.utnieuws.nl/english/60662/Nobel_Prizes_explained
- http://phys.org/news/2014-10-nanostructures-simple.html
- http://www.nwo.nl/actueel/nieuws/2014/cw/nanostructuren-stempelen.html
- http://www.utwente.nl/nieuwsevents/2014/9/216804/nanostructuren-stempelen
- http://www.utwente.nl/en/newsevents/!/2014/9/216804/creating-nanostructures-using-simple-stamps
2013
- http://www.utwente.nl/mesaplus/nl/archief/2013/07/28-juli-publieksdag-bridges-2013.docx/
- http://www.utwente.nl/archief/2013/07/wetenschap-ook-populair-op-zwarte-cross.docx
- http://www.utwente.nl/mesaplus/nl/archief/2013/06/nanotechnologen-vinden-manier-om-defecten-in-materialen-terug-te-dringen.docx/
2012
- Een portret van de werkgroep QAQS (schoonheid), Gertjan Koster (http://www.quaartquascience.nl/agenda/)
- http://www.kennislink.nl/publicaties/atomair-lego-levert-bijzonder-magnetisme
- Room-temperature magnetism in insulating thin films, http://www.utwente.nl/tnw/ims/news/23okt12_LSMO110%5B2%5D.docx/
2011
- Unexpected heterostructure seen in STO (http://nanotechweb.org/cws/article/tech/47039)
- Nobel lezing TNW 2011; http://www.utwente.nl/evenementen/nobel-lezingen-2011
- http://www.telegraaf.nl/buitenland/10674247/__Inzicht_in_materie_veranderd__.html
2010
- Koolstof in de ruimte en tijd; een wetenschappelijke zoektocht, Gertjan Koster, Josée Kleibeuker in Het fenomeen van Schaal, Qua art Qua Science November 2010 (http://www.quaartquascience.nl/fileadmin/user_upload/documents/Uitgaven/Nov_2010_NANO.pdf)
2009
- Every single layer matters, Alex Klironomos, Physics Synopsys (http://physics.aps.org/synopsis-for/10.1103/PhysRevB.79.140407); Editors Choice Phys. Rev. B (http://prb.aps.org/edannounce/PhysRevB.77.130001)
- How to make CuO sit up straight, Jessica Thomas, Physics Synopsys (http://physics.aps.org/synopsis-for/10.1103/PhysRevB.79.195122); Editors Choice Phys. Rev. B (http://prb.aps.org/edannounce/PhysRevB.77.130001)
- 2 artikelen vakgroep IMS binnen korte tijd geselecteerd als 'Editors' Suggestion', (http://www.tnw.utwente.nl/nieuws/nieuws/archief/2009/2009_06_04/2_artikelen_vakgroep_ims_geselecteerd.doc/)
- Innovatief chemisch onderzoek UT beloond, (http://www.tnw.utwente.nl/nieuws/nieuws/archief/2009/2009_06_18/innovatief_chemisch_onderzoek.doc/)
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
Contact Details
Visiting Address
University of Twente
Faculty of Science and Technology
Carré
(building no. 15), room C3247
Hallenweg 23
7522NH Enschede
The Netherlands
Mailing Address
University of Twente
Faculty of Science and Technology
Carré
C3247
P.O. Box 217
7500 AE Enschede
The Netherlands