Postdoc with focus on Electron-Beam Doping of Semiconductor Nanowires and Electron Holography

DTU Danchip
tirsdag 20 nov 18

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Frist 4. januar 2019
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Technical University of Denmark offers a 18 month postdoc position with focus on electron-beam doping of semiconductor nanowires and electron holography. The successful candidate will be primarily using an environmental TEM (ETEM) and advanced electron microscopy techniques at the Center for Electron Nanoscopy.

Doping is the intentional addition of atomic impurities in a material, routinely used to manipulate the electrical, optical, and magnetic properties of semiconductors. Semiconductor nanowires (NWs) represent one of the most powerful and versatile building blocks for high performance nanoscaled devices. One of the major challenges towards scaling electronic devices to the nanometre-size is achieving controlled doping and accurate quantification. 

Responsibilities and tasks 
The successful candidate is expected to effectively conduct an independent research aimed at excellent science. The initial task will be to establish the in-situ doping capability at the ETEM. The ultimate task will be to use the ETEM for doping NWs, to understand how doping is incorporated and how it can be controlled at the atomic level. 

The successful candidate will conduct work among the following project activities: 
  • Building up the in-situ doping capability at the ETEM
  • Electron beam induced deposition at the ETEM
  • Electron holography in vacuum and under relevant gas atmospheres
  • Doping of NWs
  • Tomographic reconstructions of doped NWs
  • Electric measurements of doped NWs
  • Analysis to extract quantitative information from electron holograms and electrical measurements
  • Link experimental observation to theoretical data.
The ideal candidate should have:  
  • a PhD degree in Physics or equivalent.
  • a profound knowledge of semiconductor materials, doping and nanowires.
  • extensive experience with electron microscopy, especially with electron holography and/or ETEM related work.
Moreover we are looking for a person that: 
  • likes challenging projects.
  • is good in time-management.
  • takes responsibility for his/her work.
We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility. 

Salary and terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union. The period of employment is 18 months. Stating date is 1 March 2019.

You can read more about career paths at DTU here.   

Further information 
The postdoc position is part of the granted VILLUM EXPERIMENT project “Aim, shoot and dope! Electron-beam doping of semiconductor nanowires”. VILLUM FONDEN (a part of THE VELUX FOUNDATIONS) is a philanthropic foundation that supports technical and scientific research as well as environmental, social and cultural projects in Denmark and internationally.

Further information may be obtained from Researcher Elisabetta M. Fiordaliso, tel.: +45 4525 6466.

You can read more about DTU Cen at  

Application procedure 
Please submit your online application no later than 4 January 2019 (local time). Applications must 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. The file must include: 
  • Application (cover letter)
  • CV
  • Diploma (MSc/PhD)
  • List of publications
Applications and enclosures received after the deadline will not be considered.

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

DTU Cen/Danchip is a common infrastructure and research facility located at and fully owned by the Technical University of Denmark, DTU. The Center for Electron Nanoscopy is a state-of-the-art electron microscopy center which was inaugurated in Dec. 2007. The work carried out at DTU Cen is spans the range of basic topographical studies to the highly sophisticated analysis of nanoscale materials in Hard and Soft Matter. Since 2018, DTU Cen/Danchip is extended to have expertise in soft matter from small molecules complexes to biological cell.

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.