Phd Student Position

Vor 5 Tagen

Berlin, Deutschland Leibniz-Institut für Kristallzüchtung Vollzeit

The **SiGe-based Quantum Materials** group at IKZ Berlin, Germany is offering a

**PhD student position (f/m/d)**

**Isotope-pure silicon epitaxy for quantum photonic chips**

Are you excited by semiconductor materials science and quantum technology? This PhD project puts you at the forefront of silicon-based quantum photonics, combining epitaxy, nanofabrication, and quantum optics within a French-German collaboration.

Silicon-on-insulator (SOI) provides a mature, industry-compatible platform for integrated quantum photonic circuits operating at telecommunication wavelengths, directly compatible with existing fiber networks. To realize fully functional quantum chips, however, the integration of reliable single-photon emitters remains a major open challenge.

- Innovate growth processes using silicon and germanium to introduce static strain in SOI
- Explore in-situ incorporation of individual Er ions in SOI device layers
- Operate and maintain large vacuum/epitaxy systems for isotope-pure Si epitaxy using 28Si
- Leverage advanced in-house material characterization tools to understand and improve the nanoscale properties of your materials
- Collaborate with the leading groups in the quantum field, integrating your material developments in real quantum photonic chips, all within a research project together with partners from Institut Néel CNRS and Technical University of Munich (TUM) Center for Quantum Engineering (ZQE)

**Requirements**:

- Master’s degree (or equivalent) in physics, chemistry, materials science or related field
- Solid knowledge in semiconductor materials, epitaxy, and thin film characterization (experience in any of these areas is a plus)
- Interest in quantum information science and quantum technology
- Motivation and capability to do scientific work, as well as its documentation and presentation
- Excellent written and oral communication skills in English

IKZ is recognized as the provider and leading facility for the purification and crystal growth of isotope-pure semiconductor material e.g. for **metrology**, or **cosmology and particle physics**. Our research group benefits from this position and is internationally recognized for the development and distribution of isotope-pure SiGe quantum material; join us if you are a material science enthusiast with a passion for pushing boundaries in a high-impact field.

**What we offer**:
The position is limited to three years. Payment is according to TVöD Bund (E13 75%) (Collective agreement for the public sector). The contract includes the usual social benefits (30 vacation days in a 5-day week, flexible working hours). The Leibniz-Institut für Kristallzüchtung actively promotes the development of young scientists and follows the guidelines of the Leibniz Association.

For information about the project please feel free to contact:
**Have we aroused your interest?

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