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UID:6a13810ec2642
DTSTART:20250605T130000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20250605T140000Z
LOCATION:Seminar Room
SUMMARY:ICFO | AMY CARL
CLASS:PUBLIC
DESCRIPTION:The 2D materials library has rapidly expanded from graphene to 
 include many other materials. As the complexity of heterostructure devices
  has increased\, one of the main obstacles to progression is the ability t
 o fabricate large area heterostructures that are free from interlayer cont
 amination. Additionally\, many 2D materials including magnetic 2D material
 s face further fabrication complications due to their degradation in ambie
 nt conditions. As such\, they are less well characterised than most despit
 e having a large number of potential applications.&nbsp\; Materials such a
 s Cr2Ge2Te6 and CrI3 have been shown to be ferromagnetic down to the few l
 ayer limit. However\, detailed investigation into the crystallographic and
  electronic properties of such materials\, especially of monolayer samples
 \, has been limited due to the difficulty of fabricating clean monolayer s
 amples.\nThis talk presents novel techniques for the fabrication of 2D het
 erostructures in ultra-high vacuum (UHV) conditions\, using a polymer free
  transfer technique. The full fabrication process\, including the exfoliat
 ion of materials is carried out in the UHV environment. This technique is 
 capable of producing. This allows for the fabrication of heterostructures 
 without trapped contamination. The benefits of the technique are demonstra
 ted through the fabrication of several samples of air sensitive materials.
  The results show that UHV fabrication produces clean\, high-quality devic
 es showcasing its advantages for the fabrication of samples from highly se
 nsitive materials.\nWang\, W.\, Clark\, N.\, Hamer\, M. et al. Clean assem
 bly of van der Waals heterostructures using silicon nitride membranes. Nat
  Electron 6\, 981&ndash\;990 (2023). https://doiorg.manchester.idm.oclc.or
 g/10.1038/s41928-023-01075-y
DTSTAMP:20260524T225158Z
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