35 years of EDS software

Area of Science:

• Materials Science
• Analytical Chemistry
• Spectroscopy

Background:

• Energy dispersive X-ray spectrometry (EDS) software evolved from nuclear spectroscopy technology.
• Early software struggled with the continuum component unique to EDS spectra, necessitating new analytical approaches.

Purpose of the Study:

• To trace the historical development of EDS software from a participant's perspective.
• To identify key factors influencing the evolution of EDS software and industry.
• To speculate on future directions in EDS spectrum analysis.

Main Methods:

• Review of early software development for energy dispersive X-ray analysis.
• Application of least-squares fitting with "top-hat" filtered spectra as a foundational technique.
• Discussion of technological advancements and their impact on EDS software.

Main Results:

• Least-squares fitting with filtered spectra emerged as an effective solution for EDS continuum analysis.
• Despite advancements in speed and convenience, fundamental accuracy and precision in EDS spectrum analysis remain areas of challenge.
• High-speed silicon drift detectors show potential for driving future improvements in data precision.

Conclusions:

• The foundational challenges in EDS spectrum analysis persist, though they manifest in new ways with evolving technology.
• Future advancements in EDS software accuracy and precision may be driven by high-speed detector technologies.
• Understanding the historical development provides context for current limitations and future research directions in X-ray analysis.