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Trapping Xe in Nanocages Using a Plasma.

Laiba Bilal1,2, Asim Khaniya2, Dustin Olson3

  • 1Electrical and Computer Engineering Department Stony Brook University Stony Brook NY 11790 USA.

Small Science
|October 8, 2025
PubMed
Summary
This summary is machine-generated.

Researchers demonstrate room-temperature trapping of xenon (Xe) atoms in silicate nanocages. This breakthrough utilizes plasma ionization and metal supports for efficient Xe capture, paving the way for diverse applications.

Keywords:
atom trappingconfinementnanocagesnoble gasesplasmasilicatexenon

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Inorganic Chemistry

Background:

  • Xenon (Xe), the largest noble gas, presents containment challenges in solid matrices due to its inert nature.
  • Efficient methods for trapping and utilizing Xe are crucial for various scientific and industrial applications.

Purpose of the Study:

  • To demonstrate the room-temperature trapping of single xenon atoms within subnanometer-sized silicate nanocages (NC).
  • To present a novel, simple ionization method for capturing Xe in a high-surface-area material.

Main Methods:

  • Ionization of Xe gas using plasma.
  • Trapping of Xe ions within silicate nanocages supported on metal powders.
  • Electron transfer from the metal support to Xe ions for stable trapping.

Main Results:

  • Successful demonstration of single xenon atom trapping in silicate nanocages at room temperature.
  • Development of a straightforward ionization technique for Xe capture.
  • High-surface-area material utilized for efficient xenon containment.

Conclusions:

  • This study presents the first successful room-temperature trapping of Xe atoms in a high-surface-area material using a simple ionization method.
  • The developed technique offers potential for Xe separation, nuclear reactor enhancement, nonproliferation efforts, and medical isotope production.