PhD student position in improving the quality of space communication systems Chalmers University of Technology, Department of Microtechnology and Nanoscience Sweden

PhD student position in improving the quality of space communication systems


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 academia, industry and society enables scientific excellence and creates an innovative environment. In addition to the 200 researchers and PhD students, MC2 houses a cleanroom for micro- and nanofabrication with the latest equipment.

Information about the project

In this research project you will be working with a very interesting cross-disciplinary challenge that is critical in experimental space science and engineering. You will be working in the interface between surface physics, nonlinear electromagnetic theory, and high-frequency electrical measurement techniques.

The specific challenge that you will adress is passive intermodulation (PIM) distortion, which is a nonlinear phenomenon affecting high-speed wireless communication systems. The exact causes of PIM are yet not fully understood, but it is known to be related to different nonlinear mechanisms caused by material defects, poor contacts in metal-metal interfaces, and fundamentally limited by the thermal nonlinearity of Ohm's law.

You will be working with the most advanced satellite communication systems available in close collaboration with a leading international company in the space industry. The task will incorporate detailed material analysis as well as microwave and RF characterization and measurements.

It would be advantageous to have previous experience from RF and microwave measurements such as network analyzers, spectrum analyzers, and oscilliocopes as well as material analysis instrumentation, e.g. scanning electron microscopy. Even more important is that you are curious in learning new things, have a positive attitude, and a will to collaborate.

Beside research, involving experimental and theoretical work, as described above, you are also expected to be involved in education as teaching assistant and co-supervisor of BSc and MSc thesis students.

The position is hosted by the Microwave Electronics Laboratory at the Microtechnology and Nanoscience Department (MC2). The research will be carried out in close collaboration with Ruag Space AB, a major international player in the space industry. Ruag has a well-established measurement system for PIM characterization that will be used in the project. High-frequency measurements will also be carried out at Chalmers open infrastructure for microwave and Terahertz technology, which is one of Europes most well-equiped measurement infrastructures in the field. while access to state-of-the art equipment for material characterization, e.g., scanning-electron microscopy, is guranteed through Chalmers material analysis laboratory.

Major responsibilities

Your major responsibilities as PhD student are to pursue your own doctoral studies, including both coursework and research. You are expected to develop your own scientific concepts and communicate the results of your research verbally and in writing. In addition, the position will normally include 20% departmental work, mostly teaching duties.

* Perform research defined in our industry-financed projects
* Perform lab-oriented tasks (measurement setup etc.)
* Co-supervision of MSc students

Position summary

Full-time temporary employment. The position is limited to a maximum of five years.


To qualify as a PhD student, you must have a master's level degree corresponding to at least 240 higher education credits in a relevant field.

Practical experience of high-frequency electronics measurements as well as material analysis is valuable. Furthermore, it will be valuable if you can take on some responsibility, take own initiatives, and work independently when needed. At the same time, it is important that you are a good team player. This is especially vital since the current project will interact closely with adjacent disciplines and with industrial partners. A high level of written and spoken English is required.

Chalmers continuously strives to be an attractive employer. Equality and diversity are substantial foundations in all activities at Chalmers.

Application procedure

The application should be marked with Ref 20180285 and written in English. The application should be sent electronically and be attached as pdf-files, as below:

CV: (Please name the document: CV, Family name, Ref. number)
• CV
• Other, for example previous employments or leadership qualifications and positions of trust.
• Two references that we can contact.

Personal letter: (Please name the document as: Personal letter, Family name, Ref. number)
• 1-3 pages where you introduce yourself and present your qualifications.
• Previous research fields and main research results.
• Future goals and research focus. Are there any specific projects and research issues you are primarily interested in?

Other documents:
• Copies of bachelor and/or master’s thesis.
• Attested copies and transcripts of completed education, grades and other certificates, eg. TOEFL test results.

Please use the button at the foot of the page to reach the application form. The files may be compressed (zipped).

Application deadline: 10 June, 2018

For questions, please contact:
Associate Professor Dan Kuylenstierna, Microwave Electronics Laboratory
E-mail:, +46 723 52 61 05
Professor Christian Fager, Microwave Electronics Laboratory
E-mail:, +46 70 753 4437
Assistant Professor Koen Buisman, Microwave Electronics Laboratory
E-mail:, +46 31 772 1734 
Professor Herbert Zirath, Microwave Electronics Laboratory
E-mail:, +46 31 772 1852

*** Chalmers declines to consider all offers of further announcement publishing or other types of support for the recruiting process in connection with this position. *** 

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