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Materials Science and Nanotechnology● OpenPreview

PhD Position in Process Technology for Novel Digital III-V Semiconductors

Join Fraunhofer IAF to advance GaN-HEMT technologies for next-generation digital semiconductor devices.

Best for:Best for physicists, electrical engineers, or materials scientists with a master’s degree in semiconductor physics, micro/nanotechnology, or related fields, interested in experimental research and process development for next-gen digital semiconductor devices.

Fraunhofer Society · Freiburg im Breisgau, Germany · R1 · First-stage researcher
More professors at Fraunhofer Society
GaN-HEMT technologyIII-V semiconductor devicesProcess technology in microelectronicsDigital high-frequency switchingEpitaxy and lithographySemiconductor device characterization
Deadline
—
Funding
Salaried
TVöD (public sector salary scale) with potential variable performance-based components
Start date
flexible (open until filled)
Full-time
Location
Freiburg im Breisgau
Germany

Overview

This PhD position at Fraunhofer IAF in Freiburg, Germany, focuses on pioneering novel digital III-V semiconductor concepts, specifically GaN-HEMTs. The successful candidate will conduct cutting-edge research in process technology, including etching, lithography, epitaxy, and device development, to enhance high-frequency digital switching and amplification components. The work involves hands-on experimentation in cleanroom environments, collaboration with national and international partners, and contributing to applied research projects. The role is ideal for physicists, electrical engineers, or materials scientists with a strong foundation in semiconductor physics and micro/nanotechnology, seeking to drive innovation in semiconductor device fabrication.

PhD in semiconductor physicsGaN-HEMT researchIII-V semiconductor devicesCleanroom process technologyMicro/nanotechnologyDigital electronicsApplied solid-state physicsFraunhofer IAF

What you'll do

  • Develop and operate advanced semiconductor processing techniques in cleanroom environments, including etching, lithography, and epitaxy.
  • Investigate and optimize novel GaN-HEMT devices for high-frequency digital applications and amplification systems.
  • Collaborate with interdisciplinary teams to integrate and test new semiconductor modules in complex electronic systems.
  • Contribute to national and international research projects, fostering partnerships between academia and industry.
  • Conduct experimental research to deepen the understanding of process-module functionality and device performance.
  • Present research findings at conferences and contribute to scientific publications.

Requirements

Degree required: Master’s or equivalent degree in Physics, Electrical Engineering, Micro/Nano Systems Technology, or a related field

Degree offered: PhD

Language: German: very good; English: good (for international collaboration)

Instruction: German (primary), English (secondary)

Required skills
  • Proven expertise in semiconductor physics, micro/nanotechnology, or related disciplines
  • Practical experience in cleanroom process technology or III-V semiconductor fabrication
  • Strong background in etching, lithography, epitaxy, or semiconductor device development
  • Self-directed, structured, and scientific approach to research
  • Excellent communication and teamwork skills for collaboration in international environments
Nice to have
Prior experience with GaN-based materials or high-frequency semiconductor devicesFamiliarity with simulation tools for semiconductor device modelingKnowledge of advanced characterization techniques for semiconductor materials
Eligibility
  • No specific nationality or residency restrictions mentioned
  • No age or prior experience caps specified

Funding & terms

Type
Salaried
Amount
TVöD (public sector salary scale) with potential variable performance-based components
Duration
2 years (initially, with potential extension)
Programme
Fraunhofer Society
Fraunhofer Society

How to apply

Deadline: 2026-09-04

Apply online via the Fraunhofer Talent Community portal. Submit your CV, cover letter, and relevant academic transcripts. After submission, you will receive an automatic confirmation of receipt. The recruitment team will then contact you to proceed with the application process.

Documents required
  • CV
  • Cover letter
  • Master’s degree transcripts and diploma
  • Proof of language proficiency (if applicable)
↗Apply on site

Contact

Kathrin Escher· Recruiter

recruiting@iaf.fraunhofer.de

+49 761 5159-374

https://www.iaf.fraunhofer.de

Lab
IAF - Angewandte Festkörperphysik
Fraunhofer Society
Germany
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