Energy dependence of defect production in displacement cascades in silver

K. L. Merkle, Robert S Averback, R. Benedek

Research output: Contribution to journalArticle

Abstract

Proton damage rates in Ag measured below 10 K show good agreement with calculated defect-production cross sections for low-energy recoils. A substantial decrease in damage efficiency (from ξ̄=1 to ξ̄0.6) occurs as the energy and/or mass of the incident particle increases and displacement cascades are produced. Preliminary results are consistent with cascade efficiencies near ξ=0.3 and an effective transition from ξ=1 to ξ=0.3 centered near recoil energies between 1 and 3 keV.

Original languageEnglish (US)
Pages (from-to)424-427
Number of pages4
JournalPhysical review letters
Volume38
Issue number8
DOIs
StatePublished - Jan 1 1977
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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