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Compositional and structural changes in LiNbO 3 following deep He + ion implantation for film exfoliation

  • Ryan M. Roth
  • , Djordje Djukic
  • , Yoo Seung Lee
  • , Richard M. Osgood
  • , Sasha Bakhru
  • , Bryan Laulicht
  • , Kathleen Dunn
  • , Hassaram Bakhru
  • , Liqi Wu
  • , Mengbing Huang
  • Columbia University
  • SUNY Albany

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

The physical mechanism of He-ion-based exfoliation in Z-cut LiNbO 3 is investigated. Rutherford backscattering/channeling, nuclear-reaction analysis, and transmission electron microscopy are used to examine the compositional and structural changes caused by deep ion implantation followed by thermal annealing. Lattice disruption, He-bubble formation, and Li depletion are observed in the implantation region, as well as the onset of exfoliation. The implications of these observations for the crystal ion slicing method are discussed.

Original languageEnglish
Article number112906
JournalApplied Physics Letters
Volume89
Issue number11
DOIs
StatePublished - 2006

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