PhD scholarships in Radiation Dosimetry

DTU Nutech
onsdag 04 jul 18

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Frist 1. august 2018
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DTU Nutech, The Radiation Physics Division, is seeking a candidate for a PhD position to develop materials enabling 3D dosimetry in radiation processing.

The Radiation Physics Division carries out research, innovation and research-based consultancy in the fields of dosimetry, luminescence physics, and neutronics, with applications within e.g. geological and archaeological dating, radiation therapy, radiation processing, and reactor physics. The division presently consists of approx. 40 people including researchers, technicians and PhD students.

The use of ionising radiation for sterilisation of disposable medical devices, predominately made of polymers, is well known, and radiation processing is gaining momentum in diverse areas such as sterilisation of milk cartridges, removal of microorganisms in spices and modification of polymer properties. The radiation techniques employed are mostly gamma and electron irradiation, but also with X-rays covering a wide energy range.

DTU Nutech aims to develop a dosimeter for recording the depth-dose distribution for the top 100 µm of irradiated material in order to verify the efficacy of the irradiation procedures using low energy radiations. The dosimeter is based on a photo-curable polymer material doped with a radiochromic and fluorescent dye. Previous research has shown that the dosimeter properties depend on several factors related to the fabrication conditions.

The current project pertains to the further development and optimization of this dosimeter material, involving basic dosimetry, radiochemistry, photochemistry, and optical readout procedures using existing equipment.

Responsibilities and tasks
The goal of the project is to make a polymer material capable of storing a 3D dose profile. In particular, the material’s response to ionising radiation will be pivotal. A proper understanding on how to ensure reproducibility of the radiochromic and fluorescent polymer material will also be of great importance. The radiation experiments will be carried out at DTU Nutech’s state-of-the-art radiation facilities. A substantial amount of measurement and testing work can be foreseen.

The candidate should have a master's degree or an equivalent degree in material science or experimental chemistry with knowledge in radiation physics, radiation chemistry, polymer science or photochemistry.

Approval and Enrolment
The scholarships for the PhD degree are subject to academic approval, and the candidates will be enrolled in one of the general degree programmes of DTU. For information about the general requirements for enrolment and the general planning of the scholarship studies, please see the DTU PhD Guide.

We offer
We offer an exciting and challenging job in an international academic environment with excellent possibilities for professional and personal development. The successful candidate will work in an environment with activities and expertise in radiation physics, dosimetry, radioecology and medical applications of radionuclides.

We strive for academic excellence, collegial respect and freedom tempered by responsibility. The Technical University of Denmark (DTU) is a leading technical university in northern Europe and benchmarks with the best universities in the world.

Salary and appointment terms
The appointment will be based on the collective agreement with the Confederation of Professional Associations. The allowance will be agreed with the relevant union. The period of employment is 3 years. The place of work is DTU Nutech at Risø campus in Roskilde.

You can read more about career paths at DTU here.

Further information
Further information may be obtained from Senior Scientist Lars Lindvold,, +45 46774969.

Please submit your online application no later than 1 August 2018 (local time).

Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online", fill out the online application form, and attach all your materials in English in one PDF file. The file must include:

  • A letter motivating the application (cover letter)
  • Curriculum vitae
  • Grade transcripts and BSc/MSc diploma
  • Excel sheet with translation of grades to the Danish grading system (see guidelines and Excel spreadsheet here

Candidates may apply prior to ob­tai­ning their master's degree, but cannot begin before having received it.

Applications and enclosures received after the deadline will not be considered.

All interested candidates irrespective of age, gender, race, disability or ethnic background are encouraged to apply.

DTU is a technical university providing internationally leading research, education, innovation and scientific advice. Our staff of 6,000 advance science and technology to create innovative solutions that meet the demands of society, and our 11,200 students are being educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government and public agencies.