Microstructure of the near-surface layers of ion-implanted polycrystalline Cu

A. N. Didenko, E. V. Kozlov, Yu P. Sharkeev, N. A. Popova, A. V. Paul, Yu P. Ivanov, L. N. Ignatenko, O. B. Perevalova, N. V. Girsova, A. I. Rjabchikov, R. A. Nasyrov

Research output: Contribution to journalArticle

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Abstract

Investigation of the submicrostructure formed in the near surface layers of ion implanted polycrystalline Cu was carried out using transmission electron microscopy. Ni and Hf ions were implanted in the pulsed-periodical regime at an accelerating voltage of 40 kV. Irradiation doses were equal to 1 × 1017 ion cm-2 for Hf and 2.0 × 1017 and 4.6 × 1017 ion cm-2 for Ni. It has bees established that a developed dislocation submicrostructure was formed in Cu under ion implantation. The near-surface layers with the induced submicrostructure exceeded 100 μm. The dislocation density in the indicated layer increases approximately 15-40 times as compared with that in the initial state for recrystallization Cu and 20%-30% for work-hardened Cu. With increase in ion flux from 0.09 × 1014 to 0.35 × 1014 ion cm-2 s-1 the maximum dislocation density increases; further ion flux does not result in the dislocation density growth. The change in the temperature of irradiated Cu (343-523 K) does not result in the change of a dislocation structure character in the target near-surface layer.

Original languageEnglish
Pages (from-to)11-17
Number of pages7
JournalSurface and Coatings Technology
Volume56
Issue number1
DOIs
Publication statusPublished - 18 Dec 1992

Fingerprint

surface layers
Ions
microstructure
Microstructure
ions
bees
Fluxes
Ion implantation
Dosimetry
ion implantation
Irradiation
Transmission electron microscopy
dosage
transmission electron microscopy
irradiation
Electric potential
electric potential
Temperature
temperature

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Microstructure of the near-surface layers of ion-implanted polycrystalline Cu. / Didenko, A. N.; Kozlov, E. V.; Sharkeev, Yu P.; Popova, N. A.; Paul, A. V.; Ivanov, Yu P.; Ignatenko, L. N.; Perevalova, O. B.; Girsova, N. V.; Rjabchikov, A. I.; Nasyrov, R. A.

In: Surface and Coatings Technology, Vol. 56, No. 1, 18.12.1992, p. 11-17.

Research output: Contribution to journalArticle

Didenko, AN, Kozlov, EV, Sharkeev, YP, Popova, NA, Paul, AV, Ivanov, YP, Ignatenko, LN, Perevalova, OB, Girsova, NV, Rjabchikov, AI & Nasyrov, RA 1992, 'Microstructure of the near-surface layers of ion-implanted polycrystalline Cu', Surface and Coatings Technology, vol. 56, no. 1, pp. 11-17. https://doi.org/10.1016/0257-8972(92)90190-L
Didenko, A. N. ; Kozlov, E. V. ; Sharkeev, Yu P. ; Popova, N. A. ; Paul, A. V. ; Ivanov, Yu P. ; Ignatenko, L. N. ; Perevalova, O. B. ; Girsova, N. V. ; Rjabchikov, A. I. ; Nasyrov, R. A. / Microstructure of the near-surface layers of ion-implanted polycrystalline Cu. In: Surface and Coatings Technology. 1992 ; Vol. 56, No. 1. pp. 11-17.
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