Fabrication of Li-intercalated bilayer graphene
We have succeeded in fabricating Li-intercalated bilayer graphene on silicon carbide. The low-energy electron diffraction from Li-deposited bilayer graphene shows a sharp 3×3R30° pattern in contrast to Li-deposited monolayer graphene. This indicates that Li atoms are intercalated between two adjacen...
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Format: | Article |
Language: | English |
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AIP Publishing LLC
2011-06-01
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Series: | AIP Advances |
Online Access: | http://dx.doi.org/10.1063/1.3582814 |
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author | K. Sugawara K. Kanetani T. Sato T. Takahashi |
author_facet | K. Sugawara K. Kanetani T. Sato T. Takahashi |
author_sort | K. Sugawara |
collection | DOAJ |
description | We have succeeded in fabricating Li-intercalated bilayer graphene on silicon carbide. The low-energy electron diffraction from Li-deposited bilayer graphene shows a sharp 3×3R30° pattern in contrast to Li-deposited monolayer graphene. This indicates that Li atoms are intercalated between two adjacent graphene layers and take the same well-ordered superstructure as in bulk C6Li. The angle-resolved photoemission spectroscopy has revealed that Li atoms are fully ionized and the π bands of graphene are systematically folded by the superstructure of intercalated Li atoms, producing a snowflake-like Fermi surface centered at the Γ point. The present result suggests a high potential of Li-intercalated bilayer graphene for application to a nano-scale Li-ion battery. |
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format | Article |
id | doaj.art-d84dff0dde4c4a3884ef18684b8cf793 |
institution | Directory Open Access Journal |
issn | 2158-3226 |
language | English |
last_indexed | 2024-04-14T02:56:19Z |
publishDate | 2011-06-01 |
publisher | AIP Publishing LLC |
record_format | Article |
series | AIP Advances |
spelling | doaj.art-d84dff0dde4c4a3884ef18684b8cf7932022-12-22T02:16:06ZengAIP Publishing LLCAIP Advances2158-32262011-06-0112022103022103-510.1063/1.3582814003102ADVFabrication of Li-intercalated bilayer grapheneK. Sugawara0K. Kanetani1T. Sato2T. Takahashi3WPI Research Center, Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, JapanDepartment of Physics, Tohoku University, Sendai 980-8578, JapanDepartment of Physics, Tohoku University, Sendai 980-8578, JapanWPI Research Center, Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, JapanWe have succeeded in fabricating Li-intercalated bilayer graphene on silicon carbide. The low-energy electron diffraction from Li-deposited bilayer graphene shows a sharp 3×3R30° pattern in contrast to Li-deposited monolayer graphene. This indicates that Li atoms are intercalated between two adjacent graphene layers and take the same well-ordered superstructure as in bulk C6Li. The angle-resolved photoemission spectroscopy has revealed that Li atoms are fully ionized and the π bands of graphene are systematically folded by the superstructure of intercalated Li atoms, producing a snowflake-like Fermi surface centered at the Γ point. The present result suggests a high potential of Li-intercalated bilayer graphene for application to a nano-scale Li-ion battery.http://dx.doi.org/10.1063/1.3582814 |
spellingShingle | K. Sugawara K. Kanetani T. Sato T. Takahashi Fabrication of Li-intercalated bilayer graphene AIP Advances |
title | Fabrication of Li-intercalated bilayer graphene |
title_full | Fabrication of Li-intercalated bilayer graphene |
title_fullStr | Fabrication of Li-intercalated bilayer graphene |
title_full_unstemmed | Fabrication of Li-intercalated bilayer graphene |
title_short | Fabrication of Li-intercalated bilayer graphene |
title_sort | fabrication of li intercalated bilayer graphene |
url | http://dx.doi.org/10.1063/1.3582814 |
work_keys_str_mv | AT ksugawara fabricationofliintercalatedbilayergraphene AT kkanetani fabricationofliintercalatedbilayergraphene AT tsato fabricationofliintercalatedbilayergraphene AT ttakahashi fabricationofliintercalatedbilayergraphene |