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Method for forming monolayer graphene-boron nitride heterostructures

Patent ·
OSTI ID:1289690
A method for fabricating monolayer graphene-boron nitride heterostructures in a single atomically thin membrane that limits intermixing at boundaries between graphene and h-BN, so as to achieve atomically sharp interfaces between these materials. In one embodiment, the method comprises exposing a ruthenium substrate to ethylene, exposing the ruthenium substrate to oxygen after exposure to ethylene and exposing the ruthenium substrate to borazine after exposure to oxygen.
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-98CH10886
Assignee:
Brookhaven Science Associates, LLC (Upton, NY)
Patent Number(s):
9,410,243
Application Number:
14/453,314
OSTI ID:
1289690
Country of Publication:
United States
Language:
English

References (15)

Graphene growth on epitaxial Ru thin films on sapphire journal November 2010
Large-Scale Synthesis of High-Quality Hexagonal Boron Nitride Nanosheets for Large-Area Graphene Electronics journal January 2012
Real-Time Microscopy of Graphene Growth on Epitaxial Metal Films: Role of Template Thickness and Strain journal April 2012
Scalable Synthesis of Uniform Few-Layer Hexagonal Boron Nitride Dielectric Films journal December 2012
Atom-by-atom structural and chemical analysis by annular dark-field electron microscopy journal March 2010
Chemical Vapor Deposition and Etching of High-Quality Monolayer Hexagonal Boron Nitride Films journal August 2011
Epitaxial graphene on ruthenium journal April 2008
Interface Formation in Monolayer Graphene-Boron Nitride Heterostructures journal January 2012
Graphene and boron nitride lateral heterostructures for atomically thin circuitry journal August 2012
Visualizing Individual Nitrogen Dopants in Monolayer Graphene journal August 2011
Direct Growth of Graphene/Hexagonal Boron Nitride Stacked Layers journal May 2011
Atomic layers of hybridized boron nitride and graphene domains journal February 2010
Lateral Graphene–hBCN Heterostructures as a Platform for Fully Two-Dimensional Transistors journal February 2012
Microscopy of Graphene Growth, Processing, and Properties journal April 2013
Origin of half-semimetallicity induced at interfaces of C-BN heterostructures journal April 2010

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