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Ring closure of rolled-up nanoribbons
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) Schematic drawing of the formation of a nanobelt rolled up from a nanoribbon. The dashed arrow represents the scrolling direction of the ribbon. (b) FESEM image of a freestanding nanobelt with a ribbon width of .

Image of FIG. 2.
FIG. 2.

SEM images showing the manipulator probe translating from left to right to unroll the nanobelt . The white arrow in (a) points to another nanobelt with a ribbon width of .

Image of FIG. 3.
FIG. 3.

(a) A nanobelt is cut from the substrate by a sticky probe. (Inset) The initial pattern design used to fabricate a nanobelt with a crossbar. (b) A ring is manipulated to the backside of an AFM cantilever with a manipulator probe. (Inset) Magnified image of the nanobelt with crossbar.

Image of FIG. 4.
FIG. 4.

Radial stiffness test of an individual nanobelt . (Inset) A series of FESEM images with increasing tensile load on the nanobelt. The scale bar is for all images.

Image of FIG. 5.
FIG. 5.

(a) Schematic drawing of a ring undergoing a stretching test. (b) The upper-half ring structure is deformed due to the bending moment induced by the tensile load. The bending moments at point and point of the ring are the same, i.e., .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ring closure of rolled-up Si∕Cr nanoribbons