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Cambridge Centre for Gallium Nitride


The International Workshop on Nitride Semiconductors (IWN-2022) is taking place in Berlin from 9th to 14th October! Rachel, 3 of our postdocs and 3 of our mature PhD students are presenting the work at the Cambridge Centre for Gallium Nitride.

Monday, 10th October
15:45 Invited Talk - (IT 07) Rachel Oliver: Multi-microscopy of green-emitting quantum wells


Tuesday, 11th October
13:15 Poster Session

  • (PP 171) Martin Frentrup: Cubic zincblende GaN for green LEDs– A material science challenge
  • (PP 173) Abhiram Gundimeda: Low temperature cathodoluminescence study of a cubic zincblende InGaN/GaN single quantum well structure
  • (PP 179) Kagiso Loeto: Investigating the Carrier Dynamics in InGaN/GaN Core-Shell Nanorods
  • (PP 180) Kagiso Loeto: Non-Radiative Recombination Centers in InGaN/GaN Core-Shell Nanorods Probed by Cathodoluminescence Imaging and Spectroscopy
  • (PP 185) Maruf Sakar: Sub-surface Back-scattered Electron Imaging of Porous Gallium Nitride

18:00 Poster Session

  • (PP 281) Nian (Jenny) Jiang: The roles of silane flow in self-assembled GaN nanowire growth
  • (PP 285) Gunnar Kusch: Defects in 10-13 GaN: An electron microscopy study


Wednesday, 12th October
9:45 Talk - (AT 122) Gunnar Kusch: Uncovering the role of point defects in the exponential EQE decrease in UVC LEDs emitting below 240 nm

12:00 Poster Session

  • (PP 317) Gunnar Kusch: Carrier dynamics in and around trench defects in InGaN QWs probed by time resolved cathodoluminescence


Also check the presentations of our collaboration partners:


  • (AT 045) Daniel Dyer: Efficiency droop in zincblende InGaN/GaN Quantum Wells
  • (AT 113) Douglas Cameron: Core-shell AlGaN Nanorods as Ultraviolet Light Emitting Diodes
  • (AT 207) Thomas Weatherley: Probing Individual Nonradiative Point Defects in InGaN/GaN Quantum Wells using Time-Resolved Cathodoluminescence


  • (PP 094) Rachel Barrett: A Theoretical and Experimental Study of Efficiency Droop in InGaN/GaN Quantum Wells
  • (PP 274) Y. Calahorra: Nanoporous GaN as a template for electrodeposition and sputtering of nickel and its effects on resulting magnetic properties
  • (PP 309) Douglas Cameron: Electron beam induced currents in AlGaN UVC LEDs


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