Job Details
Postdoc in Electrical Measurement / Reliability of Power and RF Wide Bandgap Semiconductors Devices
Applications are invited for the role of Postdoctoral Researcher at the Centre for Device Thermography and Reliability (CDTR), led by Professor Kuball. We are looking for a candidate with prior expertise in electrical characterization of semiconductor electronic devices, ideally in reliability analysis. This role encompasses the advanced electrical characterization and reliability study of wide and ultra‑wide bandgap semiconductor materials and devices, including GaN and Gallium Oxide. You will have the opportunity to work with unique device structures including graded channel and multi‑channel GaN RF HEMTs, as well as state‑of‑the‑art GaN power devices. You will have access to an extensive electrical device testing suite available in Bristol, and will be supported by our 35‑member research team as well as our industrial partners spanning the semiconductor supply chain. In addition, you will be able to collaborate with team members across the areas of thermal and electric field analysis of devices to link to your electrical reliability studies, and have access to simulation tools (Silvaco Victory/ATLAS, ANSYS).
The CDTR leads the £11M UKRI Innovation and Knowledge Centre REWIRE, a strategic national centre aimed at transforming next generation wide and ultrawide bandgap semiconductor power electronics, and partners numerous European Space Agency (ESA) and DARPA programmes on high frequency, high power RF electronics. This position benefits from the Chair in Emerging Technologies awarded to Professor Kuball by the Royal Academy of Engineering (RAEng) in 2020, and access to state‑of‑the‑art cleanroom and semiconductor growth (Ga2O3 MOCVD, diamond CVD) and device packaging facilities. You will have the opportunity to make a major impact on future semiconductor device technology.
What You Will Be Doing
* You will conduct research to advance wide and ultra‑wide bandgap semiconductor materials device technologies and its understanding.
* Responsibilities include the electrical characterization and reliability study of wide and ultra‑wide bandgap materials and devices and developing device simulation TCAD models to complement experiments when needed.
* You will also contribute to managing our thermal characterization laboratory, advise junior group members and support short term industrial contract.
This Position Requires
* Postgraduate (PhD) in Physics, Materials Science or Engineering, or be working towards one, or equivalent professional qualification/experience.
* Ideally with a good publication record.
* Experience required in advanced electrical characterization of wide/ultrawide bandgap devices.
* Desirable experience in interfacing and automation of lab equipment using Labview or similar, TCAD simulation and physics‑based modelling and cleanroom device processing.
* A willingness to work together with, and co‑supervise, PhD students is necessary.
The position has funding for 2 years in the first instance.
Informal enquiries (not applications) to Professor M. Kuball, martin.kuball@bristol.ac.uk, tel +44(0)117 928 8734.
The University is committed to creating and sustaining a fully inclusive culture. We welcome applicants from all backgrounds and communities, especially from women and other groups currently under‑represented in our department.
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