Phd Position

vor 2 Wochen

Berlin, Deutschland Leibniz-Institut für Kristallzüchtung Vollzeit

Commencing as soon as possible there is an opening for a

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

for the topic:
**“Growth and characterization of homoepitaxial gallium oxide films”**

The development of innovative solutions for efficient power electronics plays a crucial role in connection with the energy transition. The novel semiconductor material gallium oxide (β-Ga2O3) has the potential for low-loss and cost-effective power electronics and could therefore make a decisive contribution to such a solution. However, a clear consensus on the optimum surface orientation for lateral power devices has not been reached so far. Therefore our recently granted DFG project aims to provide a comparative studies of devices on different substrate orientations. The main aspects of the project are distributed over bulk and thin film growth (IKZ/Berlin), device processing (FBH/Berlin) and device characterization/testing (TUB/Berlin). The advertised position deals with the homoepitaxial growth of β-Ga2O3 by MOVPE with the goal to develop a process to produce high-quality β-Ga2O3 layer structures with optimized interface properties and homogeneous thickness and doping concentration on (100) and/or (010) β-Ga2O3 semi-insulating wafers. This work package thus represents the link between bulk crystal growth and device processing.

**Applicants Responsibilities**:

- epitaxial growth of β-Ga2O3 by MOVPE on differently oriented substrates
- development of growth models
- process-accompanying standard characterization (e.g. AFM, Ellipsometry, XRD)
- wet chemical substrate pre-treatment

**Applicants should have**:

- a MSc degree or a Diploma in physics, chemistry, materials science or a related discipline
- expertise in the field of oxides, thin film growth and thin film characterization
- the capability to scientifically work on an independent basis; carry out structured scientific work within a highly motivated team of researchers and technicians
- good English language skills to work in an international environment.

**What we offer**

The position is limited to three years, an extension for another year is possible. 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 contact:
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