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In order to fill a fixed-term position in part-time (29.8725 hours/week = 75%) at the earliest possible date, we are looking for two

PhD student (m/f/x)

The Molecular Beam Epitaxy (MBE) section, within the Spectroscopy of Condensed Matter Group, is seeking a highly motivated PhD candidate to join our team. You will be a vital part of the PHOQUS project—a prestigious ERC Synergy initiative dedicated to experimentally demonstrating that Quantum Dots are the key to scalable photonic quantum computation. Our research sits at the intersection of fundamental solid-state physics, advanced material science, and the engineering of next-generation semiconductor devices.

You will take a lead role in the design, growth, and optimization of novel semiconductor nanostructures using molecular beam epitaxy.

Scope: part-time
Duration: fixed-term, 3 years
Start: at the earliest possible date
Apply by: 2026-05-27

Your tasks:

In this role, you will transition from a student to an expert in semiconductor quantum technology. Your tasks include:

• Design & Engineering: Designing complex semiconductor heterostructures tailored for quantum applications.
• Advanced Synthesis: Mastering the growth of high-quality heterostructures using state-of-the-art molecular beam epitaxy.
• Multimodal Characterization: Performing in-depth morphological, optical, and electronic measurements to analyze material properties.
• Innovation: Developing novel epitaxial methods to push the boundaries of thin-film quality and quantum dot performance.
• Infrastructure Support: Actively participating in lab-work, including the setup, calibration, and maintenance of ultrahigh-vacuum equipment to ensure peak operational performance.

Your profile:

• We are looking for a curious mind with a "hands-on" mentality who thrives in a high-stakes research environment.
• Education: A Master’s degree in Physics (ideally with a focus on Solid State Physics) or a related field is preferred. Technical Skills: While experience in epitaxy, vacuum handling, semiconductor processing, or optical/electronic characterization is a major plus, it is not strictly mandatory. We value the ability and willingness to learn complex systems. The master's degree certificate must be available at the start of employment
• Mindset: You are highly self-motivated, organized, and possess excellent communication skills.
• Commitment: You enjoy the practical aspects of experimental physics, including building and maintaining sophisticated laboratory setups.

https://jobs.ruhr-uni-bochum.de/jobposting/3021d8fe830cc3759472683a35631598ae5347910?ref=AfA