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Fabricating van der Waals Heterostructures with Precise Rotational Alignment
JoVE 杂志
工程学
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JoVE 杂志 工程学
Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

DOI:
10.3791/59727-v

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09:25 min

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July 05, 2019

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, ,
1Department of Physics,University of Ottawa

Chapters

  • 00:04Title
  • 01:03Instrumentation for the Transfer Procedure
  • 01:54Mechanical Exfoliation of a 2D Crystal
  • 03:29Fabricating Van der Waals Heterostructures for the Top Substrate – PMMA-PVA Method
  • 05:44Transferring Flakes to the Bottom Substrate – PMMA-PVA Method
  • 07:00Transferring Flakes to the Bottom Substrate – Stamping Method
  • 07:43Results: Precise Rotational Alignment of van der Waals Heterostructures

Summary

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In this work we describe a technique that is used to create new crystals (van der Waals heterostructures) by stacking ultrathin layered 2D materials with precise control over position and relative orientation.

Tags

Van Der Waals HeterostructuresRotational AlignmentCrystal Transfer2D MaterialsThin CrystalsSample PreparationMicroscopyManipulatorsSample HoldersHeating ElementCleaningAdhesive Tape

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