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

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Substrates

Thin Films

Oxides

Pulsed Laser Deposition

Heterojunctions

Oxygen

Ferroelectric Materials

Epitaxial Growth

Faculty of Science and Technology (TNW), Inorganic Materials Science (IMS)

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

Silva, J. P. B., Kamakshi, K., Negrea, R. F., Ghica, C., Wang, J., Koster, G., ... Gomes, M. J. M. (2018). Ferroelectric switching dynamics in 0.5Ba(Zr_0.2Ti_0.8)O₃-0.5(Ba_0.7Ca_0.3)TiO₃ thin films. Applied physics letters, 113(8), [082903]. DOI: 10.1063/1.5044623

Silva, J. P. B., Wang, J., Koster, G., Rijnders, G., Negrea, R. F., Ghica, C., ... Gomes da Silva Jr, J. M. (2018). Hysteretic Characteristics of Pulsed Laser Deposited 0.5Ba(Zr_0.2Ti_0.8)O₃-0.5(Ba_0.7Ca_0.3)TiO₃/ZnO Bilayers. ACS applied materials & interfaces, 10(17), 15240-15249. DOI: 10.1021/acsami.8b01695

Dubbink, D., Koster, G., & Rijnders, G. (2018). Growth mechanism of epitaxial YSZ on Si by Pulsed Laser Deposition. Scientific reports, 8, [5774]. DOI: 10.1038/s41598-018-24025-7

Li, L., Liao, Z., Gauquelin, N., Nguyen, M. D., Hueting, R. J. E., Gravesteijn, D. J., ... Rijnders, G. (2018). Epitaxial Stress-Free Growth of High Crystallinity Ferroelectric PbZr_0.52Ti_0.48O₃ on GaN/AlGaN/Si(111) Substrate. Advanced materials interfaces, 5(2), [1700921]. DOI: 10.1002/admi.201700921

Koster, G., Huijben, M., & Rijnders, A. J. H. M. (2017). Oxide superlattices by PLD: A practical guide. In Metal Oxide-Based Thin Film Structures : Formation, Characterization and Application of Interface-Based Phenomena (pp. 27-52). (Metal Oxide Series). ELSEVIER. DOI: 10.1016/B978-0-12-811166-6.00002-9

Dubbink, D., Koster, G., & Rijnders, A. J. H. M. (2017). Epitaxial integration of oxides on Si with native oxide.

Koster, G. (2017). Intelligent Materials and Structures. Acta crystallographica. Section B: Structural science, crystal engineering and materials, B73, 1196. DOI: 10.1107/S2052520617016018

Wessels, W. A., Bollmann, T. R. J., Post, D., Koster, G., & Rijnders, G. (2017). Imaging Pulsed Laser Deposition oxide growth by in-situ Atomic Force Microscopy. Review of scientific instruments, 88(12), [123902 ]. DOI: 10.1063/1.5004567

Wessels, W. A., Bollmann, T. R. J., Post, D., Koster, G., & Rijnders, A. J. H. M. (2017). Imaging Pulsed Laser Deposition oxide growth by in-situ Atomic Force Microscopy.

Geessinck, J., Araizi-Kanoutas, G., Mishra, S. K., Beekman, J. J., Golden, M. S., Koster, G., & Rijnders, A. J. H. M. (2017). Evidence for charge transfer at the LaCoO3-LaTiO3 interface. Poster session presented at MESA+ Meeting 2017, Enschede, Netherlands.

Dubbink, D., Koster, G., & Rijnders, A. J. H. M. (2017). Epitaxial integration of perovskite oxides on silicon using pulsed laser deposition. Poster session presented at MESA+ Meeting 2017, Enschede, Netherlands.

Geessinck, J., Mishra, S., Araizi-Kanoutas, G., Beekman, J., Golden, M. S., Koster, G., & Rijnders, A. J. H. M. (2017). Manipulating spin-transitions in thin film LaCoO3.

Wang, J., Koster, G., & Rijnders, A. J. H. M. (2017). Epitaxial growth of SrVO3 on SrTiO3 by pulsed laser deposition.

Thomas, S., Kuiper, B., Hu, J., Smit, J., Liao, Z., Zhong, Z., ... Xia, J. (2017). Localized Control of Curie Temperature in Perovskite Oxide Film by Capping-layer- induced Octahedral Distortion. Physical review letters, 119(17), [177203]. DOI: 10.1103/PhysRevLett.119.177203

Huijben, M., Koster, G., Liao, Z. L., & Rijnders, G. (2017). Interface-engineered oxygen octahedral coupling in manganite heterostructures. Applied physics reviews, 4(4), [041103]. DOI: 10.1063/1.4985770

Nguyen, M. D., Houwman, E. P., Yuan, H., Wylie- Van Eerd, B., Dekkers, M., Koster, G., ... Rijnders, G. (2017). Controlling Piezoelectric Responses in Pb(Zr_0.52Ti_0.48)O₃ Films through Deposition Conditions and Nanosheet Buffer Layers on Glass. ACS applied materials & interfaces, 9(41), 35947-35957. DOI: 10.1021/acsami.7b07428

Huijben, M., Hassink, G. W. J., Stehno, M. P., Liao, Z., Rijnders, A. J. H. M., Brinkman, A., & Koster, G. (2017). Modified spin relaxation mechanism by tunable coupling between interfacial two-dimensional electron gases in correlated oxide heterostructures. Physical review B: Condensed matter and materials physics, 96(7), [075310]. DOI: 10.1103/PhysRevB.96.075310

Si, L., Janson, O., Li, G., Zhong, Z., Liao, Z., Koster, G., & Held, K. (2017). Quantum Anomalous Hall State in Ferromagnetic SrRuO3 (111) Bilayers. Physical review letters, 119(2), [026402]. DOI: 10.1103/PhysRevLett.119.026402

Liao, Z., Koster, G., Huijben, M., & Rijnders, G. (2017). Experimental evidence for anisotropic double exchange interaction driven anisotropic transport in manganite heterostructures. Scientific reports, 7, [2654]. DOI: 10.1038/s41598-017-02813-x

Dubbink, D., Koster, G., & Rijnders, A. J. H. M. (2017). Epitaxial integration of perovskites on Si by pulsed laser deposition.

Wessels, W. A., Bollmann, T. R. J., Koster, G., Zandvliet, H. J. W., & Rijnders, A. J. H. M. (2017). Determining the energetics of vicinal perovskite oxide surfaces. AIP advances, 7(5), [055302]. DOI: 10.1063/1.4982886

Liao, Z., Gauquelin, N., Green, R. J., Macke, S., Gonissen, J., Thomas, S., ... Rijnders, G. (2017). Thickness Dependent Properties in Oxide Heterostructures Driven by Structurally Induced Metal–Oxygen Hybridization Variations. Advanced functional materials, 27(17), [1606717 ]. DOI: 10.1002/adfm.201606717

Houwman, E. P., Vergeer, K., Koster, G., & Rijnders, A. J. H. M. (2017). Functional Properties of Polydomain Ferroelectric Oxide Thin Films. In H. Nishikawa, N. Iwata, T. Endo, Y. Takamura, G-H. Lee, & P. Mele (Eds.), Correlated Functional Oxides: Nanocomposites and Heterostructures (pp. 29-53). Springer International Publishing. DOI: 10.1007/978-3-319-43779-8

Dantz, M., Pelliciari, J., Samal, D., Bisogni, V., Huang, Y., Olalde-Velasco, P., ... Schmitt, T. (2016). Quenched Magnon excitations by oxygen sublattice reconstruction in (SrCuO ₂) n /(SrTiO ₃) ₂ superlattices. Scientific reports, 6, [32896]. DOI: 10.1038/srep32896

Solmaz, A., Huijben, M., Koster, G., Egoavil, R., Gauquelin, N., van Tendeloo, G., ... Rijnders, A. J. H. M. (2016). Domain Selectivity in BiFeO3 Thin Films by Modified Substrate Termination. Advanced functional materials, 26(17), 2882-2889. DOI: 10.1002/adfm.201505065

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Committees:

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

Bachelor

Master

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