期刊
SCIENTIFIC REPORTS
卷 5, 期 -, 页码 -出版社
NATURE RESEARCH
DOI: 10.1038/srep14760
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资金
- FAME, one of six centers of STARnet, a Semiconductor Research Corporation program - MACRO
- DARPA
- National Science Foundation Center for Chemistry at the Space-Time Limit [CHE-082913]
Van der Waals materials have received a great deal of attention for their exceptional layered structures and exotic properties, which can open up various device applications in nanoelectronics. However, in situ epitaxial growth of dissimilar van der Waals materials remains challenging. Here we demonstrate a solution for fabricating van der Waals heterostructures. Graphene/hexagonal boron nitride (h-BN) heterostructures were synthesized on cobalt substrates by using molecular beam epitaxy. Various characterizations were carried out to evaluate the heterostructures. Wafer-scale heterostructures consisting of single-layer/bilayer graphene and multilayer h-BN were achieved. The mismatch angle between graphene and h-BN is below 1 degrees.
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