(a) Resistive transition of a zipper pattern striated sample. (Insert) Photodiode image of the sample. The thin lines are the striations separating the filaments shown as large stripes. The width of each filament is , and the offset distance between rows of filaments is . The current flows along the filaments. (b) characteristics of the sample measured at 91.0, 90.4, 90.2, 90.0, 89.8, 89.6, and . [(c)–(j)] VTSLM images taken at from the area shown in the insert of (a). Scan area is with resolution.
(a) A photograph of a brick wall pattern striated sample. The width of each filament is , and the link opening between filaments is . (b) A VTSLM image from the sample using resolutions. The box is drawn over the same area for (a) and (b).
(a) A photograph of a fishnet pattern striated sample. The width of filaments is with link openings of . The circle marks the incision made to cut two filaments. (b) and (c) are VTSLM and LTSLM images, respectively, taken before the cut with resolution. After-cut images are shown in (d) VTSLM and (e) LTSLM.
(a) LTSLM image of the zipper pattern sample shown in Fig. 1 taken at and at below . (b) LTSLM image of the same sample after an incision was made to cut a filament. The overlaid pattern shows the location of striations and the cut.
(a) LTSLM image from a brick wall pattern striated sample after the cut. The image is taken with resolution. The sample consists of eight wide filaments, but only this area shows discernible SLM signal after the cut. (b) A photodiode image taken simultaneously. (c) LTSLM image overlaid on the photodiode image.
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