Jacob Blevins

6 Questions 1 Answers 0 Followers

Questions related from Jacob Blevins

How does transmission percentage vary as a function of wavelength and surface roughness?

I have taken transmission percentage spectroscopy data as a function of incident wavelength. (This is often used for finding a materials bandgap). However, the transmission data gradually...

26 July 2021 8,066 4 View

Should a semiconductor sample be coated in Au/Pd prior to Cathodoluminescence?

We have a Ga2O3 sample to perform cathodoluminescence with. The CL system uses an SEM machine for the incident beam. In SEM its traditional to plate the sample in Au/Pd, or something similar,...

08 July 2021 2,375 3 View

What can cause defect related photoluminescence emissions to be very narrow?

I have seen in several publications that an extremely sharp/narrow photoluminescence peak is attributed to some defect such as Nitrogen interstitials. However, the peaks appear to be far too...

06 May 2021 7,537 3 View

Reading Ortec EASY-MCA-8K through open source software

I have a set of repetitive radiation-based experiments that will take place over several hours. I need to acquire spectra every so often over this time period. The normal software used with Ortec...

01 January 1970 2,557 1 View

Alpha Spectroscopy System Setup for Variable Size Crystals

I am working on an alpha particle spectroscopy system for semiconductor detectors. The detector crystal sizes can range from 0.5 mm to several cm. I would like a complete system where I can drop a...

01 January 1970 8,974 3 View

Fast X-Ray Shutter

I am looking to purchase a very fast X-ray shutter if possible. I would like to keep the costs reasonably low. Does anyone know of any manufacturers that have a shutter below $1k or somewhere in...

01 January 1970 8,986 3 View