posted on 2025-06-25, 12:10authored byBrian Rummel, Joseph Klesko, Melissa Meyerson, James Ohlhausen, Caleb Glaser, Andrew Binder, Peter Dickens, Robert Kaplar
The supplementary material includes an inconclusive investigation of the ALD-Al2O3/GaN structures that highlights limitations of sputter-assisted XPS characterization for this experiment.