Superlattice effects in graphene on SiC(0001) and Ir(111) probed by ARPES
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- 作者：Eli Rotenberg ; erotenberg@lbl.gov" class="auth_mail" title="E-mail the corresponding author ; Aaron Bostwick
- 关键词：Graphene ; Bandstructure ; Symmetry ; ARPES
- 刊名：Synthetic Metals
- 出版年：2015
- 出版时间：December 2015
- 年：2015
- 卷：210
- 期：part_PA
- 页码：85-94
- 全文大小：2188 K
文摘
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Review of angle resolved photoemission spectroscopy of lattice-mismatched graphene.
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Superlattice-derived minibands were analyzed for epitaxial graphene.
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SiC(0001) substrates were found to preserve graphene chirality.
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Ir(111) substrates show substantial chemical interaction and induce mini-bandgaps.
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A tight-binding model reproduces the experimental results for Ir(111) substrates.