CaltechAUTHORS
  A Caltech Library Service

Atmospheric electron X-ray spectrometer development

Feldman, Jason E. and Wilcox, Jaroslava Z. and George, Thomas and Bridges, Nathan and Barsic, David N. and Scherer, Axel (2001) Atmospheric electron X-ray spectrometer development. In: 2001 IEEE Aerospace Conference Proceedings. Vol.1. IEEE , Piscataway, NJ, pp. 255-261. ISBN 0-7803-6599-2. http://resolver.caltech.edu/CaltechAUTHORS:20190315-142040858

[img] PDF - Published Version
See Usage Policy.

907Kb

Use this Persistent URL to link to this item: http://resolver.caltech.edu/CaltechAUTHORS:20190315-142040858

Abstract

The development of a portable surface elemental analysis tool based on the excitation of characteristic X-rays at ambient pressure with an electron beam is described. This instrument relies on the use of a thin electron transmissive membrane to isolate the vacuum of the electron source from the ambient atmosphere. The major advantages offered by this instrument include rapid spectrum acquisition, nondestructive evaluation of elemental composition, and high spatial resolution in comparison to similar portable instruments. The instrument proof-of-principle has been demonstrated by obtaining energy dispersive X-ray spectra from metal and mineral samples. SEM experiments have been carried out to determine beam spot size and quantitative analysis limits. Modeling has been performed to study performance limits and to understand the influence of membrane and atmosphere interactions on the focused electron beam.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/aero.2001.931715DOIArticle
ORCID:
AuthorORCID
Bridges, Nathan0000-0002-6790-6793
Additional Information:© 2001 IEEE.
Record Number:CaltechAUTHORS:20190315-142040858
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20190315-142040858
Official Citation:J. E. Feldman, J. Z. Wilcox, T. George, N. Bridges, D. N. Barsic and A. Scherer, "Atmospheric electron X-ray spectrometer development," 2001 IEEE Aerospace Conference Proceedings (Cat. No.01TH8542), Big Sky, MT, USA, 2001, pp. 1/255-1/261 vol.1. doi: 10.1109/AERO.2001.931715
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:93876
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:15 Mar 2019 21:29
Last Modified:15 Mar 2019 21:29

Repository Staff Only: item control page