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Personal profile

Personal Statement

I am a postdoctoral researcher in the Semiconductor Spectroscopy & Devices Group in the Department of Physics.

I gained my PhD from the University of Strathclyde in 2013. My PhD research was focused on the luminescence study of III-nitride semiconductor nanostructures and LEDs. I also have a Diplom (equivalent to a Master of Science) from the Technical University of Munich.

My current research focuses on the optical characterisation of III-nitride semiconductors, which are the building block for white LEDs replacing the currently used, highly inefficient light sources.

Research Interests

My research interests are focussed on the optical spectroscopy and electron microscopy of semiconductors, especially the III-nitride material system. This quaternary system consists of GaN, InN and GaN and its various alloys.

This material system has a wide range of applications, such as solid-state lighting, optoelectronic devices (light-emitting diodes and laser diodes), high-power and high-frequency electronics, water purification, solar cells or communication.

My main research focus lies on the investigation of nanostructures, such as nanorods, of these materials using high resolution cathodoluminescence (CL) hyperspectral imaging. I am also interested in combining the CL imaging technique with electron channelling contrast imaging, an electron diffraction method in the scanning electron microscope, to correlate the structural properties of dislocations with their optical properties. Furthermore, I am collaborating with colleagues from the Department of Pure and Applied Chemistry to develop a novel organic colour converter for a hybrid organic/inorganic white LED using GaN-based nanostructures.

Characterisation techniques include CL hyperspectral imaging, photoluminescence, electroluminescence, X-ray microanalysis and electron bean-induced current.

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Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 2011 2020

  • 24 Article
  • 4 Conference Contribution
  • 1 Chapter (peer-reviewed)

Luminescence behaviour of semi-polar (10-11) InGaN/GaN "bow-tie" structures on patterned Si substrates

Bruckbauer, J., Trager-Cowan, C., Hourahine, B., Winkelmann, A., Vennéguès, P., Ipsen, A., Yu, X., Zhao, X., Wallace, M. J., Edwards, P. R., Naresh-Kumar, G., Hocker, M., Bauer, S., Müller, R., Bai, J., Thonke, K., Wang, T. & Martin, R. W., 17 Jan 2020, In : Journal of Applied Physics. 127, 3, 8 p.

Research output: Contribution to journalArticle

Open Access
quantum wells
9 Downloads (Pure)
Open Access
Light emission
light emission


Best poster award for the Faculty of Science at the Strathclyde Research Day 2011

Jochen Bruckbauer (Recipient), 7 Jun 2011

Prize: Prize (including medals and awards)

Fred Stern Memorial Prize 2014

Jochen Bruckbauer (Recipient), 26 Jun 2014

Prize: Prize (including medals and awards)

Activities 2010 2019

Lecture at "Kilmarnock Engineering and Science Society"

Carol Trager-Cowan (Speaker), Jochen Bruckbauer (Speaker)
3 Dec 2019

Activity: Other activity typesTypes of Public engagement and outreach - Media article or participation

STEMFest 2019

Paul Griffin (Contributor), Shannan Foylan (Contributor), Andres Ulibarrena Diaz (Contributor), Mark Carroll (Contributor), Matt Mitchell (Contributor), Terry Dyer (Contributor), Carol Trager-Cowan (Contributor), Jochen Bruckbauer (Contributor)
14 Nov 201916 Nov 2019

Activity: Other activity typesTypes of Public engagement and outreach - Media article or participation