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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202301441
|2 doi
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|a pubmed24n1184.xml
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|a (DE-627)NLM355410095
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|a (NLM)37036386
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Jugovac, Matteo
|e verfasserin
|4 aut
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| 245 |
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|a Inducing Single Spin-Polarized Flat Bands in Monolayer Graphene
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 21.09.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Due to the fundamental and technological implications in driving the appearance of non-trivial, exotic topological spin textures and emerging symmetry-broken phases, flat electronic bands in 2D materials, including graphene, are nowadays a relevant topic in the field of spintronics. Here, via europium doping, single spin-polarized bands are generated in monolayer graphene supported by the Co(0001) surface. The doping is controlled by Eu positioning, allowing for the formation of a K ¯ $\bar{\mathrm{K}}$ -valley localized single spin-polarized low-dispersive parabolic band close to the Fermi energy when Eu is on top, and of a π* flat band with single spin character when Eu is intercalated underneath graphene. In the latter case, Eu also induces a bandgap opening at the Dirac point while the Eu 4f states act as a spin filter, splitting the π band into two spin-polarized branches. The generation of flat bands with single spin character, as revealed by the spin- and angle-resolved photoemission spectroscopy (ARPES) experiments, complemented by density functional theory (DFT) calculations, opens up new pathways toward the realization of spintronic devices exploiting such novel exotic electronic and magnetic states
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|a Journal Article
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|a graphene
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|a rare-earth elements
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|a spin-orbit coupling
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|a spin-polarized flat bands
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|a Cojocariu, Iulia
|e verfasserin
|4 aut
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| 700 |
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|a Sánchez-Barriga, Jaime
|e verfasserin
|4 aut
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| 700 |
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|a Gargiani, Pierluigi
|e verfasserin
|4 aut
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|a Valvidares, Manuel
|e verfasserin
|4 aut
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|a Feyer, Vitaliy
|e verfasserin
|4 aut
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|a Blügel, Stefan
|e verfasserin
|4 aut
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|a Bihlmayer, Gustav
|e verfasserin
|4 aut
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| 700 |
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|a Perna, Paolo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 38 vom: 15. Sept., Seite e2301441
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:38
|g day:15
|g month:09
|g pages:e2301441
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|u http://dx.doi.org/10.1002/adma.202301441
|3 Volltext
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