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Persoonlijk profiel


“I want to make TU/e even more attractive to students by responding better to their needs and interests.”

Research profile

Paul Koenraad heads the Photonics and Semiconductor NanoPhysics group in the Department of Applied Physics at Eindhoven University of Technology (TU/e). His research covers the study of nanostructures and impurities in III-V semiconductors. The work in the last five years has stretched from true atomic scale microscopy of semiconductor nanostructured materials to optical analysis of individual semiconductor nanostructures. 

The atomic scale microscopy activities have resulted in a much deeper understanding of various growth mechanisms to form semiconductor nanostructures, and the work is presently focusing on the realization of full 3D atomic scale visualization of nanostructures by Atom Probe Tomography. The study of single impurities has unraveled new properties of semiconductor impurities and is increasingly focused on the control and manipulation of a single impurity. In the field of optical microscopy, physics of a single quantum dot tunnel-coupled to an electron reservoir has been unraveled. Paul has co-authored more than 150 scientific papers and written several review papers and book chapters on his research activities.

Academic background

Paul obtained his PhD in Semiconductor Physics for TU/e in 1990. Previously, he obtained an MSc in Physics from the University of Utrecht. He has become an internationally leading expert in the application of scanning probe techniques for the study of nanostructures such as quantum dots, and has led the emerging field of single impurity analysis and manipulation in semiconductors by STM techniques. 

Paul is also the educational director of COBRA and program director of the Active Nanophotonics Devices program (€9m, part of the national nanotechnology trust NanoNextNL). In 2005 he was awarded a Vici subsidy from the research funding organization NWO for his research. Apart from his role as professor of semiconductor materials, Koenraad led the PSN group for ten years. Since 2013 he has also been dean of the Honors Academy of TU/e. In 2016 he become vice-dean of the Applied Physics department and in 2017 he became dean of the TU/e Graduate School

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Onderzoeksoutput 1986 2019

Absence of quantum-confined Stark effect in GaN quantum disks embedded in (Al,Ga)N nanowires grown by molecular beam epitaxy

Sinito, C., Corfdir, P., Pfüller, C., Gao, G., Vílchez, J. B., Kölling, S., Doblado, A. R., Jahn, U., Lähnemann, J., Auzelle, T., Zettler, J. K., Flissikowski, T., Koenraad, P., Grahn, H. T., Geelhaar, L., Fernández-Garrido, S. & Brandt, O., 6 aug 2019, In : Nano Letters.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Stark effect
Molecular beam epitaxy
molecular beam epitaxy

Active tuning of the g -tensor in InGaAs/GaAs quantum dots via strain

Tholen, H. M. G. A., Wildmann, J. S., Rastelli, A., Trotta, R., Pryor, C. E., Zallo, E., Schmidt, O. G., Koenraad, P. M. & Silov, A. Y., 16 mei 2019, In : Physical Review B. 99, 19, 8 blz., 195305

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Open Access
Semiconductor quantum dots
quantum dots

Probing the local electronic structure of isovalent Bi atoms in InP

Krammel, C. M., da Cruz, A. R., Flatté, M. E., Roy, M., Maksym, P. A., Zhang, L. Y., Wang, K., Li, Y. Y., Wang, S. M. & Koenraad, P. M., 5 jun 2019, In : arXiv. 10 blz., 1906.01790

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademic

Open Access
electronic structure

Structural properties of Bi containing InP films explored by cross-sectional scanning

Krammel, C. M., Koenraad, P. M., Roy, M., Maksym, P. A. & Wang, S., 1 jan 2019, Springer Series in Materials Science. Wang, S. & Lu, P. (redactie). Singapore: Springer, blz. 215-229 15 blz. (Springer Series in Materials Science; vol. 285)

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureHoofdstukAcademicpeer review

Density functional theory
Structural properties
Surface segregation
Scanning tunneling microscopy

Atomic scale investigation of isovalent impurities and nanostructures in III-V semiconductors

Krammel, C. M., 11 jan 2018, Eindhoven: Technische Universiteit Eindhoven. 148 blz.

Onderzoeksoutput: ScriptieDissertatie 1 (Onderzoek TU/e / Promotie TU/e)Academic

Open Access


Fellow American Physical Society

Paul Koenraad (Ontvanger), 2014

Prijs: AndersFellowships & membershipsWetenschappelijk

National Atom Probe Facility

Paul Koenraad (Ontvanger), 2012

Prijs: NWOOtherWetenschappelijk

Research Center for Integrated Nano-Photonics

H.J.S. Dorren (Ontvanger), Erwin Kessels (Ontvanger), Paul Koenraad (Ontvanger), Ton Koonen (Ontvanger) & Bert Koopmans (Ontvanger), 2014

Prijs: NWOZwaartekrachtWetenschappelijk

selection procedure
Ministry of Education

Spin-manipulation at the atomic scale

Paul Koenraad (Ontvanger), 2004

Prijs: NWOViciWetenschappelijk



An atomistic spin dynamic simulation study on the ultrafast demagnetization of Gd

Auteur: Rossen, S., 31 dec 2010

Begeleider: Koenraad, P. (Begeleider)

Scriptie/masterproef: Master


An MBE growth and crosssectional scanning tunnelling microscopy study on II/VI semiconductor heterostructures

Auteur: Wierts, A., 30 jun 2007

Begeleider: Koenraad, P. (Afstudeerdocent 1) & Ulloa Herrero, J. (Externe persoon) (Externe coach)

Scriptie/masterproef: Master


Atomic force microscopy on processed alignment marks : a tool for modelling ATHENA positions

Auteur: Heck, M., 31 aug 2002

Begeleider: Koenraad, P. (Afstudeerdocent 1) & Salemink, H. (Afstudeerdocent 2)

Scriptie/masterproef: Master

Beschrijving van metingen aan GaAs-AlGaAs heterostructuren en aan een delta-gedoteerde GaAs heterostructuur

Auteur: Prins, M., 28 feb 1990

Begeleider: Koenraad, P. (Afstudeerdocent 1)

Scriptie/masterproef: Master


Characterising transparent contacts for InP nanowire solar cells

Auteur: Op de Beeck, J., 2015

Begeleider: Koenraad, P. (Afstudeerdocent 1)

Scriptie/masterproef: Bachelor