Two-atom model in enhanced ion backscattering near 180/sup 0/ scattering angles

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The recent discovery by Pronko, Appleton, Holland, and Wilson of an unusual enhancement of the yield of ions backscattered through angles close to 180/sup 0/ from the near surface regions of solids is investigated using a two-atom scattering model. The model predicts an enhancement effect in amorphous solids whose physical origin arises from the tolerance of path for those ions whose inward and outward trajectories lie in the vicinity of the critical impact parameter. Predictions are given of the dependence of the yield enhancement on the following parameters: ion energy, backscattering depth, exit angle, scattering potential, atomic numbers of projectile ... continued below

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Pages: 13

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Oen, O.S. June 1, 1981.

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Description

The recent discovery by Pronko, Appleton, Holland, and Wilson of an unusual enhancement of the yield of ions backscattered through angles close to 180/sup 0/ from the near surface regions of solids is investigated using a two-atom scattering model. The model predicts an enhancement effect in amorphous solids whose physical origin arises from the tolerance of path for those ions whose inward and outward trajectories lie in the vicinity of the critical impact parameter. Predictions are given of the dependence of the yield enhancement on the following parameters: ion energy, backscattering depth, exit angle, scattering potential, atomic numbers of projectile and target, and atomic density of target.

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Pages: 13

Notes

NTIS, PC A02/MF A01.

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  • 9. international conference on atomic collisions in solids, Lyon, France, 6 Jul 1981

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  • Other: DE81025178
  • Report No.: CONF-810728-3(Draft)
  • Grant Number: W-7405-ENG-26
  • Office of Scientific & Technical Information Report Number: 6315674
  • Archival Resource Key: ark:/67531/metadc1209861

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • June 1, 1981

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Oct. 24, 2018, 12:04 p.m.

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Oen, O.S. Two-atom model in enhanced ion backscattering near 180/sup 0/ scattering angles, article, June 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1209861/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.