Regensburg 2022 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 2: Focus Session: Innovative GaN-based High-power Devices: Growth, Characterization, Simulation, Application 1

Montag, 5. September 2022, 09:30–11:15, H17

Bernd Witzigmann, University Erlangen-Nürnberg
Frank Bertram, Magdeburg University
The transition to globally sustainable energy generation requires a further significant rise of sharing electrical energy. Power electronics is a key technology enabling efficient distribution, conversion, and use of these large amounts of electrical energy. Thanks to the advances in semiconductor materials with solid-state properties, power electronics research remains a focal point. The remarkable progress in wide-bandgap semiconductor materials such as Gallium Nitride (GaN) allows for power devices reaching switching speeds an order of magnitude above the state of the art, with significantly reduced ohmic and dynamic losses, and improved thermal properties. GaN-based devices and circuits therefore enable the design of highly compact power-electronic systems with highest efficiencies. Considerable energy savings are possible, e.g. with energy and vehicle technology alone, a previously unused potential of up to 35% can be exploited. This not only offers economic advantages, but also significantly reduces the CO2 equivalents associated with the applications.

09:30 DS 2.1 Hauptvortrag: GaN-based power converters enabling talktive power — •Marco Liserre
10:00 DS 2.2 Hauptvortrag: Energy-efficient power electronics based on Gallium Nitride — •Oliver Ambacher
10:30 DS 2.3 Influence of space-charge region on luminescence in a lateral GaN superjunction — •Gordon Schmidt, Peter Veit, Frank Bertram, Jürgen Christen, Arne Debald, Michael Heuken, Thorsten Zweipfennig, Holger Kalisch, and Andrei Vescan
10:45 DS 2.4 Hauptvortrag: Potential of Aluminum Nitride for Vertical Power Electronics — •Andreas Waag, Klaas Strempel, Lukas Peters, Christoph Margenfeld, Samuel Faber, Friedhard Römer, and Bernd Witzigmann
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DPG-Physik > DPG-Verhandlungen > 2022 > Regensburg