Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Advanced mercuric iodide detectors for X-ray microanalysis.

W K Warburton1, J S Iwanczyk

  • 1Institute of Physics, School of Medicine, University of Southern California, Marina del Rey 90292.

Scanning Microscopy. Supplement
|January 1, 1987
PubMed
Summary

Mercuric Iodide (HgI2) detectors offer stable, low-power X-ray detection for microanalysis. Advances enable sensitive soft X-ray detection and high count rates, paving the way for improved elemental analysis and EXAFS studies.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of ^{7}Be in Superconducting Quantum Sensors.

Physical review letters·2021
Same author

Energy dispersive CdTe and CdZnTe detectors for spectral clinical CT and NDT applications.

Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment·2015
Same author

Combined fluorescence and X-Ray tomography for quantitative in vivo detection of fluorophore.

Technology in cancer research & treatment·2010
Same author

Intraoperative probes and imaging probes.

European journal of nuclear medicine·1999
Same author

X-ray absorption edge fine structure of potassium ions in various environments: application to frog blood cells.

Science (New York, N.Y.)·1979
Same author

THE PREPARATION OF CAPILLIN AND SOME RELATED COMPOUNDS, AND OF SOME SUBSTITUTED PENT-4-EN-2-YN-1-ONES.

Journal of the Chemical Society·1965

Area of Science:

  • Materials Science
  • Physics
  • Analytical Chemistry

Background:

  • Introduction to Mercuric Iodide (HgI2) detectors and low-noise preamplifiers.
  • Physical basis and technological perspective for X-ray detection.

Purpose of the Study:

  • Describe recent advances in HgI2 detectors for X-ray microanalysis.
  • Highlight capabilities for space probes, SEMs, and Synchrotron applications.

Main Methods:

  • Development of stable HgI2 detectors for vacuum operation.
  • Construction of preliminary 10-element HgI2 detector arrays with 500eV resolution.

Main Results:

  • Individual HgI2 detectors achieve stable long-term vacuum operation.
  • Detection of soft X-rays to oxygen K edge (523 eV) at rates >2x10^5/sec.
  • Preliminary HgI2 arrays demonstrate stable operation and 500eV resolution.

Conclusions:

  • HgI2 array technology advancements include improved resolution and soft X-ray transparent encapsulants.
  • Arrays offer large active areas, high count rates, and spatial sensitivity for X-ray microanalysis.
  • Potential applications include elemental microanalysis (XRF) and micro-EXAFS studies.

Related Experiment Videos