Job Description

The Leibniz-Institut für Kristallzüchtung (IKZ) is a leading research institution in the area of science & technology as well as service & transfer of crystalline materials. Our goal is to enable solutions for urgent societal challenges (e.g. communication, artificial intelligence, climate protection, health etc.). by modern electronic & photonic technologies. The work covers the full spectrum from basic over applied research up to pre-industrial development and is performed in collaboration with national and international partners from university, academy and industry. The institute is part of the Forschungsverbund Berlin (https://www.fv-berlin.de/) and a member of the Leibniz Association www.leibniz-gemeinschaft.de. You can find more details on the institute webpage: www.ikz-berlin.de.



The Leibniz-Institut für Kristallzüchtung is currently looking for a

Scientist / Postdoc (m/f/d)

for the topic:

Digital Workflow, Ontologies, and Machine Learning for Epitaxial Processes

- Internal Job Posting -



Epitaxial layers are the key functional parts in electronic and opto-electronic devices. In a BMFTR funded project digital twins will be developed for MOCVD processes and will be used for optimizing the process along the process chain up to the device including by means of machine learning. The industrial partner is AIXTRON, one of the leading companies for MOCVD reactors.



The digital twin will be developed for the industry-established process of GaN layers and devices as well for Ga2O3, an emerging material of high interest for high-power applications.

Your tasks:

Defining the meta data space for the epitaxy of Ga2O3 layers in an AIXTRON reactor Generalizing the meta data for epitaxial processes of semiconductors with large band gap Developing an ontology for the workflow Developing machine learning exploiting the meta data of the processes
Meta data will be defined in the NOMAD Oasis framework.

Your requirements:

Completed academic study in physics, chemistry, mathematics or related fields,at least a master degree Knowledge in materials science Experience with machine learning Experience with NOMAD oasis would be beneficial

What we offer

The position is funded by the

F

ederal Ministry of Research, Technology and Space

(BMFTR) and is limited for one year starting 01.01.2026, prolongation is possible. Payment is according to TVöD Bund (E13) (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.



The Leibniz-Institut für Kristallzüchtung actively supports a healthy work-life balance and is an equal opportunities employer. Female candidates are encouraged to apply and will be given preference if suitably qualified. Among equally qualified candidates, preference will be given to candidates with disabilities. IKZ promotes diversity. We welcome every qualified application, regardless of age, belief, disabilities, ethnic origin, gender, nationality, religion, or sexual orientation.

For information about the project please feel free to contact:

Dr. Wolfram Miller

(wolfram.miller@ikz-berlin.de)

Have we aroused your interest?

Then apply with a letter of motivation, curriculum vitae and all relevant certificates by

30.11.2025

. To do so, please go to

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on our homepage and click on this advertisement and then on

"Apply online"

.

We look forward to receiving your application!