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Dr Jochen Bruckbauer

Research Associate


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.


Cathodoluminescence studies of chevron features in semi-polar (11-22) InGaN/GaN multiple quantum well structures
Brasser C., Bruckbauer J., Gong Y.P., Jiu L., Bai J., Warzecha M., Edwards P. R., Wang T., Martin R. W.
Journal of Applied Physics, (2018)
Spatially-resolved optical and structural properties of semi-polar (11-22) AlxGa1-xN with x up to 0.56
Bruckbauer Jochen, Li Zhi, Naresh-Kumar G., Warzecha Monika, Edwards Paul R., Jiu Ling, Gong Yipin, Bai Jie, Wang Tao, Trager-Cowan Carol, Martin Robert W.
Scientific Reports Vol 7, (2017)
Optical investigation of semi-polar (11-22) AlxGa1-xN with high Al composition
Li Z., Wang L., Jiu L., Bruckbauer J., Gong Y., Zhang Y., Bai J., Martin R. W., Wang T.
Applied Physics Letters Vol 110, (2017)
Cool to warm white light emission from hybrid inorganic/organic light-emitting diodes
Taylor-Shaw Elaine, Angioni Enrico, Findlay Neil J., Breig Benjamin, Inigo Anto R., Bruckbauer Jochen, Wallis David J., Skabara Peter J., Martin Robert W.
Journal of Materials Chemistry C Vol 4, pp. 11499-11507, (2016)
Colour tuning in white hybrid inorganic/organic light-emitting diodes
Bruckbauer Jochen, Brasser Catherine, Findlay Neil J., Edwards Paul R., Wallis David J., Skabara Peter J., Martin Robert W.
Journal of Physics D: Applied Physics Vol 49, (2016)
Electron channelling contrast imaging for III-nitride thin film structures
Naresh-Kumar G., Thomson D., Nouf-Allehiani M., Bruckbauer J., Edwards P. R., Hourahine B., Martin R.W., Trager-Cowan C.
Materials Science in Semiconductor Processing Vol 47, pp. 44-50, (2016)

more publications

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.

Professional activities

1st China-UK Early Career Workshop on Wide Band Gap Semiconductor Materials and Devices
PDI Topical Workshop on Cathodoluminescence of Semiconductor Nanostructures
Invited speaker
11th International Symposium on Semiconductor Light Emitting Devices (ISSLED 2017)
12th International Conference on Nitride Semiconductors (ICNS-12)
UVLED Technology and Application Requirements Workshop
SPIE Photonics West 2017

more professional activities