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Robotic four-dimensional pixel assembly of van der Waals solids

Mannix, Andrew J ; Ye, Andrew ; Sung, Suk Hyun ; Ray, Ariana ; Mujid, Fauzia ; Park, Chibeom ; Lee, Myungjae ; Kang, Jong-Hoon ; Shreiner, Robert ; High, Alexander A ; Muller, David A ; Hovden, Robert ; Park, Jiwoong

Nature nanotechnology, 2022-04, Vol.17 (4), p.361-366 [Periódico revisado por pares]

England: Nature Publishing Group

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  • Título:
    Robotic four-dimensional pixel assembly of van der Waals solids
  • Autor: Mannix, Andrew J ; Ye, Andrew ; Sung, Suk Hyun ; Ray, Ariana ; Mujid, Fauzia ; Park, Chibeom ; Lee, Myungjae ; Kang, Jong-Hoon ; Shreiner, Robert ; High, Alexander A ; Muller, David A ; Hovden, Robert ; Park, Jiwoong
  • Assuntos: Assembly ; Composition ; Design, synthesis and processing ; Electronics ; ENGINEERING ; Heterostructures ; Industrial robots ; Interlayers ; Manufacturing ; Molybdenum disulfide ; Pixels ; Rapid manufacturing ; Rapid prototyping ; Robotic Surgical Procedures ; Robotics ; Solids ; Synthesis and processing ; Two dimensional materials
  • É parte de: Nature nanotechnology, 2022-04, Vol.17 (4), p.361-366
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    USDOE
    The Chicago Community Trust
    National Nanotechnology Coordinated Infrastructure (NNCI)
    National Science Foundation (NSF)
    AC02-06CH11357; W911NF-17-S-0002; A2010-03222; NSF ECCS-2025633; DMR-2039380
    US Army Research Office (ARO)
  • Descrição: Van der Waals (vdW) solids can be engineered with atomically precise vertical composition through the assembly of layered two-dimensional materials . However, the artisanal assembly of structures from micromechanically exfoliated flakes is not compatible with scalable and rapid manufacturing. Further engineering of vdW solids requires precisely designed and controlled composition over all three spatial dimensions and interlayer rotation. Here, we report a robotic four-dimensional pixel assembly method for manufacturing vdW solids with unprecedented speed, deliberate design, large area and angle control. We used the robotic assembly of prepatterned 'pixels' made from atomically thin two-dimensional components. Wafer-scale two-dimensional material films were grown, patterned through a clean, contact-free process and assembled using engineered adhesive stamps actuated by a high-vacuum robot. We fabricated vdW solids with up to 80 individual layers, consisting of 100 × 100 μm areas with predesigned patterned shapes, laterally/vertically programmed composition and controlled interlayer angle. This enabled efficient optical spectroscopic assays of the vdW solids, revealing new excitonic and absorbance layer dependencies in MoS . Furthermore, we fabricated twisted N-layer assemblies, where we observed atomic reconstruction of twisted four-layer WS at high interlayer twist angles of ≥4°. Our method enables the rapid manufacturing of atomically resolved quantum materials, which could help realize the full potential of vdW heterostructures as a platform for novel physics and advanced electronic technologies .
  • Editor: England: Nature Publishing Group
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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