Subscribe PhD position in Optoelectronics - Ultraviolet Light Emitting Dio
Chalmers Tekniska Högskola AB / Electronics Jobs / Göteborg
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The Department of Microtechnology and Nanoscience focuses on research, innovation and education within the fields of future electronics, photonics, bio- and nanosystems. A close collaboration with Swedish and international partners within academy, industry and society enables scientific excellence and creates an innovative environment. In addition to the 200 researchers and Ph D students, MC2 houses a cleanroom for micro- and nanofabrication with the latest equipment.The laboratory

The Photonics Laboratory at the Department of Microtechnology and Nanoscience (MC2), with about 25 members, conducts application oriented research in the areas of optical materials, optoelectronics and fibre optical communication. Research in optoelectronics started at Chalmers in the early 1980’s. Today we master everything from device design and epitaxial growth to device fabrication and testing. We are in a world leading position in certain areas, such as lasers for data communication with record performance in terms of speed, transmission capacity and high-temperature performance. Recently, a large effort on wide-band gap materials based on nitrides (GaN, AlN and AlGaN) and oxides (ZnO) and related device technologies was launched. Such materials enable, for instance, light emitters at short wavelengths (ultraviolet-green-blue).

We have access to one of the best university labs in the world for device fabrication (the Nanofabrication Laboratory) and we have well-equipped labs for epitaxial growth and device measurements.

The project

To further strengthen our efforts on wide-band gap nitrides and related devices, we will now expand our team with a new PhD student working on ultraviolet light emitting diodes (UV-LEDs). The UV-LEDs are intended for white light LEDs where the UV-LED is coated with a multi-chromatic phosphor for conversion of UV radiation to white light emission. Such white light LEDs enable excellent colour rendering, which is a requirement for wide-spread use in general illumination. White light LEDs are expected to greatly contribute to global energy savings and reductions of greenhouse gas emissions as they replace incandescent and fluorescent lamps.

In the initial phase of the project we will develop the techniques needed for the epitaxial growth of high quality AlGaN-based UV-LED structures. In the second phase, we will fabricate and evaluate the performance of UV-LEDs. Major emphasis will be put on increasing the efficiency of UV-LEDs to enable highly efficient white light LEDs.

The project is funded by the Swedish Energy Agency (Energimyndigheten).

Job description

We seek a PhD student to work in a team of senior researchers and other PhD students with complementary skills and tasks. After being trained in epitaxial growth by molecular beam epitaxy, materials characterization and device fabrication, the PhD student will actively participate in the epitaxial growth, fabrication and evaluation of UV-LEDs. A limited amount of effort in UV-LED design and modelling is also expected.

The employment is limited to a maximum of five years. 

Qualifications

Master of Science degree in Engineering Physics, Applied Physics, Electrical Engineering or equivalent. Solid knowledge in the areas of semiconductors and optoelectronics is required. Any experience from epitaxial growth, materials characterization, device fabrication in a clean room environment and/or device characterization is a merit. A good command of English is required.

Application deadline: 2012-02-29

For questions, please contact:
Assistant Professor Tommy Ive
Phone:  +46-31-772 33 79
Email:  tommy.ive@chalmers.se

Professor Anders Larsson
Phone:  +46-31-772 15 93
Email:  anders.larsson@chalmers.se

Chalmers University of Technology conducts research and education in engineering sciences, architecture, technology-related mathematical sciences, natural and nautical sciences, working in close collaboration with industry and society.

The strategy for scientific excellence focuses on our eight Areas of Advance; Built Environment, Energy, Information & Communication Technology, Life Science, Materials Science, Nanoscience & Nanotechnology, Production and Transport. The aim is to make an active contribution to a sustainable future using the basic sciences as a foundation and innovation and entrepreneurship as the central driving forces. Chalmers has around 11,000 students and 2,500 employees. New knowledge and improved technology have characterised Chalmers since its foundation in 1829, completely in accordance with the will of William Chalmers and his motto: Avancez!

Keywords
Göteborg, Phd, Design, English, Information, Data, Professor, Transport, Student, Electrical

Publication date
2012-01-17

Working hours
Dag , Heltid , Tidsbegränsad anställning

How to apply
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Company
Chalmers Tekniska Högskola AB

Address
Chalmers Tekniska Högskola AB
Chalmersplatsen 4
41296 Göteborg

Contact information

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