Post by Park Systems
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[๐๐น๐ฒ๐ฐ๐๐ฟ๐ถ๐ณ๐ถ๐ฒ๐ฑ ๐ฏ๐ ๐๐๐ : ๐๐ผ๐ฟ๐ฟ๐ฒ๐น๐ฎ๐๐ถ๐๐ฒ ๐ช๐ฒ๐ฒ๐ธ / ๐๐ฝ๐ถ๐๐ผ๐ฑ๐ฒ ๐ฐ]โ In this ๐ก๐ฎ๐ป๐ผ ๐๐ฒ๐๐๐ฒ๐ฟ๐ ๐ฝ๐ฎ๐ฝ๐ฒ๐ฟ, researchers use AFM to apply strain to graphene on hexagonal boron nitride and measure how it distorts moirรฉ patterns formed between the two flakes. The stretched moirรฉ patterns obtained using this technique influence electronic behaviour at the device scale, ๐๐ต๐ผ๐๐ถ๐ป๐ด ๐๐ต๐ถ๐ ๐ถ๐ ๐ฎ ๐ด๐ฟ๐ฒ๐ฎ๐ ๐๐ฎ๐ ๐๐ผ ๐บ๐ฎ๐ป๐ถ๐ฝ๐๐น๐ฎ๐๐ฒ ๐๐๐ฟ๐ฎ๐ถ๐ป ๐ฎ๐ป๐ฑ ๐บ๐ผ๐ถ๐ฟรฉ ๐ฝ๐ฒ๐ฟ๐ถ๐ผ๐ฑ๐ถ๐ฐ๐ถ๐๐ ๐ณ๐ผ๐ฟ ๐ณ๐๐ป๐ฑ๐ฎ๐บ๐ฒ๐ป๐๐ฎ๐น ๐ฝ๐ต๐๐๐ถ๐ฐ๐! This example shows how ๐ฃ๐ฎ๐ฟ๐ธโ๐ ๐ก๐ซ๐ญ๐ฌ ๐ฐ๐ผ๐บ๐ฏ๐ถ๐ป๐ฒ๐ ๐ฒ๐ฎ๐๐ฒ ๐ผ๐ณ ๐๐๐ฒ, ๐๐ฒ๐ฟ๐๐ฎ๐๐ถ๐น๐ถ๐๐, ๐ฎ๐ป๐ฑ ๐ต๐ถ๐ด๐ต-๐ฟ๐ฒ๐๐ผ๐น๐๐๐ถ๐ผ๐ป ๐ฐ๐ผ๐ป๐ฑ๐๐ฐ๐๐ถ๐๐ฒ ๐๐๐ ๐๐ผ ๐ฒ๐ป๐ฎ๐ฏ๐น๐ฒ ๐ฐ๐ผ๐ฟ๐ฟ๐ฒ๐น๐ฎ๐๐ถ๐๐ฒ ๐บ๐ผ๐ถ๐ฟรฉ ๐บ๐ฒ๐ฎ๐๐๐ฟ๐ฒ๐บ๐ฒ๐ป๐๐. ๐๐๐ต๐ฒ๐ฐ๐ธ ๐ผ๐๐ ๐๐ต๐ฒ ๐ฝ๐ฎ๐ฝ๐ฒ๐ฟ ๐ต๐ฒ๐ฟ๐ฒ: https://okt.to/ctdWXJ Image captions: a) Composite image showing an optical microscopy image of a graphene/hBN heterostructure with a moveable serpentine electrode. b-d) Conductive AFM images (100 nm field of view) of graphene on hBN with 0.04, 0.34 and 0.81 % strain, applied by AFM based manipulation.