Fig. 5: Exfoliation of GaSb membranes that are seeded at pinholes.
From: Pinhole-seeded lateral epitaxy and exfoliation of GaSb films on graphene-terminated surfaces
a SEM image of the substrate after exfoliation, showing ~300 nm diameter spalling marks and clusters of spalling marks. b SEM image of the substrate showing a relatively smooth region with no large spalling marks. c Cartoon of the exfoliation. d Magnified SEM image of the substrate showing ~20 nm spalling marks. e Photograph of the substrate and the exfoliated GaSb membrane supported on thermal release tape. The lateral dimensions of the membrane are 5 mm by 6 mm.
