Postdoc Position

vor 2 Monaten

Berlin, Deutschland Leibniz-Institut für Kristallzüchtung Vollzeit

We are offering a

**PostDoc position (M/F/d)**

for the BMBF NanoMatFutur funded project “**All-GO-HEMT**”:
**“Modulation-doped β-(Al**x**Ga**1-x**)**2**O**3**/Ga**2**O**3** heterostructures with high electron mobility for highly efficient power transistors”**

As a PostDoc, you will be responsible for the conception, planning and supervision of the electrical characterization and growth of layers via metal-oxide vapor-phase epitaxy (MOVPE). The aim here is to correlate the electrical properties with the growth parameters and to develop corresponding growth transport models. Hereby, the focus lays on the comprehensive electrical characterization via defect spectroscopy and advanced magneto-transport measurements. In addition, the postdoc will carry out the upscaling of the growth process in the end phase of the project. These interdisciplinary, scientific aspects of the project must be carried out and supervised by an experienced scientist who can back them up with relevant publications within the field.

**The key responsibilities of the PostDoc **will include:

- Electrical Characterization via temperature dependent conductivity and Hall effect measurements (25 mK - 1100 K), capacitance-voltage (C-V) and current-voltage (I-V) measurements, photo-assisted C-V measurements for dielectric evaluation, transfer length method (TLM) measurements including contact optimization, transistor transfer characteristics measurements (DC and pulsed), field-effect mobility measurements, deep-level transient spectroscopy (DLTS), deep-level optical spectroscopy (DLOS), and thermal admittance spectroscopy (TAS)
- Modelling of semiconductor heterostructures including band structure and electrical transport
- Foster strong collaborations with scientists from epitaxial growth and structural characterization to promote interdisciplinary research
- Working with microprocessor technologists to jointly develop device processing workflows
- Assist in securing third-party funding
- Assist in supervising PhD students
- Develop an international reputation and broaden your experience and skills to prepare for your future career inside or outside academia on the one hand and to strengthen the experimental expertise of IKZ on the other

**The applicant must have the following minimum qualification**:

- A PhD degree and strong knowledge in physics, crystallography, materials science, or a related discipline with a strong background in semiconductor physics and devices
- A strong track record of publications and therefore proven expertise in experimental physics, characterization methods, and semiconductors
- Excellent knowledge of fundamental and solid-state physics
- Basic knowledge of epitaxial growth methods
- Ability to work within an interdisciplinary team of scientists, engineers, and students
- Experience in supervising students
- Exceptional communication skills both verbal and written in English
- Effective analytic and problem-solving skills

**In addition, some of the following skills and qualifications would be preferred**:

- 1+ years of experience as a PostDoc in semiconductor characterization
- Experience in the conception and setting-up of experiments including craftmanship skills (soldering, screw connections, vacuum fittings) and programming skills (Python, LabView, Matlab, C++)
- Experience in data management and electronic lab notebooks
- Experience in semiconductor and device modelling software like Silvaco TCAD or Comsol
- Experience in working with low temperature cryostats and cryogenic liquids

**What we offer**:
The position is embedded in the BMBF NanoMatFutur project “**All-GO-HEMT**”. Within this project, the position is available from January 1, 2025 and is limited to five years. Payment is according to TVöD Bund (E13 100%) (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.

If you want to have more information about the project, please contact us:
**Have we aroused your interest?

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