The physical mechanism of He-ion-based exfoliation in Z-cut LiNbO3 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.
Published in:
Applied Physics Letters
(Volume:89
,
Issue:
11
)
Date of Publication:
Sep 2006
- Page(s):
-
112906
-
112906-3
- ISSN :
-
0003-6951
- Digital Object Identifier :
-
10.1063/1.2352798
- Product Type:
-
Journals & Magazines
- Date of Current Version :
-
18 June 2009
- Issue Date :
-
Sep 2006