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- Nigge, P.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
Room temperature strain-induced Landau levels in graphene on a wafer-scale platform
- Article/chapterEnglish2019
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- AMER ASSOC ADVANCEMENT SCIENCE,2019
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- LIBRIS-ID:oai:DiVA.org:uu-400048
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-400048URI
- https://doi.org/10.1126/sciadv.aaw5593DOI
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- Language:English
- Summary in:English
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- Graphene is a powerful playground for studying a plethora of quantum phenomena. One of the remarkable properties of graphene arises when it is strained in particular geometries and the electrons behave as if they were under the influence of a magnetic field. Previously, these strain-induced pseudomagnetic fields have been explored on the nano- and micrometer-scale using scanning probe and transport measurements. Heteroepitaxial strain, in contrast, is a wafer-scale engineering method. Here, we show that pseudomagnetic fields can be generated in graphene through wafer-scale epitaxial growth. Shallow triangular nanoprisms in the SiC substrate generate strain-induced uniform fields of 41 T, enabling the observation of strain-induced Landau levels at room temperature, as detected by angle-resolved photoemission spectroscopy, and confirmed by model calculations and scanning tunneling microscopy measurements. Our work demonstrates the feasibility of exploiting strain-induced quantum phases in two-dimensional Dirac materials on a wafer-scale platform, opening the field to new applications.
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- Qu, A. C.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Lantagne-Hurtubise, E.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Mårsell, ErikUppsala universitet,Molekyl- och kondenserade materiens fysik,Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada;(Swepub:uu)erima888 (author)
- Link, S.Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany (author)
- Tom, G.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Zonno, M.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Michiardi, M.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada;Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany (author)
- Schneider, M.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Zhdanovich, S.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Levy, G.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Starke, U.Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany (author)
- Gutierrez, C.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Bonn, D.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Burke, S. A.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada;Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z1, Canada (author)
- Franz, M.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Damascelli, A.Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada (author)
- Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada;Univ British Columbia, Quantum Matter Inst, Vancouver, BC V6T 1Z4, CanadaMolekyl- och kondenserade materiens fysik (creator_code:org_t)
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- In:Science Advances: AMER ASSOC ADVANCEMENT SCIENCE5:112375-2548
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