Matthew D. Smith

3 Questions 13 Answers 0 Followers

Questions related from Matthew D. Smith

Does anyone have any suggestions for quick, reliable ways to check whether a semiconductor surface is oxidised?

e.g. for immediately prior to a metal evaporation? I have XPS and XRF as possible candidates but would like to seek alternatives before committing. Surfaces are typically III-V, often with...

03 March 2016 296 6 View

How might one calibrate an integrating sphere?

When taking measurements of the total light power output of an LED using an integrating sphere the results vary each time by up to 50%. I might expect a variance of around 5% due to the device...

08 August 2015 2,606 5 View

What are the best semiconductor device simulation packages for modelling of thermal stability, radiation hardness and extended bias stress?

Specifically for devices using GaN-based materials, I am looking for opinions on the most accurate (i.e. consistent with experimental data) and user-friendly simulation packages for modelling the...

08 August 2015 6,261 5 View