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Related Concept Videos

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X-ray Crystallography

The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
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Related Experiment Video

Updated: Jun 3, 2026

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
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Scattering of Xe from graphite.

W W Hayes1, J R Manson

  • 1Physical Sciences Department, Greenville Technical College, Greenville, South Carolina 29606, USA. Wayne.Hayes@gvltec.edu

The Journal of Physical Chemistry. A
|March 18, 2011
PubMed
Summary

Xenon (Xe) atom scattering from graphite surfaces involves single collisions. Calculations confirm Xe atoms interact with a large effective surface mass, larger than a basic graphite ring.

Area of Science:

  • Surface science
  • Atomic scattering physics
  • Materials science

Background:

  • Experimental measurements of Xenon (Xe) atom scattering from graphite surfaces have been reported.
  • The Xe-graphite system is fundamentally interesting due to the significant mass difference between projectile atoms and surface atoms.

Purpose of the Study:

  • To analyze experimental data of Xe atom scattering from graphite using single scattering theory.
  • To confirm the nature of the collision interaction and the effective mass of the graphite surface.

Main Methods:

  • Analysis of energy-resolved spectra and angular distributions of scattered Xe atoms.
  • Application of a single scattering theory validated by previous surface scattering experiments.

Main Results:

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  • The scattering process is confirmed to be a single collision event.
  • The effective surface mass involved in the collision is substantially larger than that of a single graphite ring.

Conclusions:

  • The single scattering theory accurately explains the observed Xe atom scattering from graphite.
  • The interaction involves a collective response of multiple surface atoms, leading to a larger effective mass.