Spin and angular resolved photoemission experiments on epitaxial graphene
Our recently reported spin and angular resolved photoemission (SARPES) results on an epitaxial graphene monolayer on SiC(0001) suggested the presence of a large Rashba-type spin splitting of \Delta k=(0.030+-0.005)1/A [1]. Although this value was orders of magnitude larger than predicted theoretical...
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| creator | Gierz, Isabella Dil, Jan Hugo Meier, Fabian Slomski, Bartosz Osterwalder, Juerg Henk, Juergen Winkler, Roland Ast, Christian R Kern, Klaus |
| description | Our recently reported spin and angular resolved photoemission (SARPES)
results on an epitaxial graphene monolayer on SiC(0001) suggested the presence
of a large Rashba-type spin splitting of \Delta k=(0.030+-0.005)1/A [1].
Although this value was orders of magnitude larger than predicted
theoretically, it could be reconciled with the line width found in conventional
spin-integrated high resolution angular resolved photoemission spectroscopy
(ARPES) data. Here we present novel measurements for a hydrogen intercalated
quasi free-standing graphene monolayer on SiC(0001) that reveal a spin
polarization signal that - when interpreted in terms of the Rashba-Bychkov
effect [2,3] - corresponds to a spin splitting of \Delta k=(0.024+-0.005)1/A.
This splitting is significantly larger than the half width at half maximum of
spin-integrated high resolution ARPES measurements which is a strong indication
that the measured polarization signal does not originate from a Rashba-type
spin splitting of the graphene pi-bands as we suggested in our previous report
[1]. |
| doi_str_mv | 10.48550/arxiv.1004.1573 |
| format | Article |
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results on an epitaxial graphene monolayer on SiC(0001) suggested the presence
of a large Rashba-type spin splitting of \Delta k=(0.030+-0.005)1/A [1].
Although this value was orders of magnitude larger than predicted
theoretically, it could be reconciled with the line width found in conventional
spin-integrated high resolution angular resolved photoemission spectroscopy
(ARPES) data. Here we present novel measurements for a hydrogen intercalated
quasi free-standing graphene monolayer on SiC(0001) that reveal a spin
polarization signal that - when interpreted in terms of the Rashba-Bychkov
effect [2,3] - corresponds to a spin splitting of \Delta k=(0.024+-0.005)1/A.
This splitting is significantly larger than the half width at half maximum of
spin-integrated high resolution ARPES measurements which is a strong indication
that the measured polarization signal does not originate from a Rashba-type
spin splitting of the graphene pi-bands as we suggested in our previous report
[1].</description><identifier>DOI: 10.48550/arxiv.1004.1573</identifier><language>eng</language><subject>Physics - Materials Science</subject><creationdate>2010-04</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,778,883</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/1004.1573$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.1004.1573$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Gierz, Isabella</creatorcontrib><creatorcontrib>Dil, Jan Hugo</creatorcontrib><creatorcontrib>Meier, Fabian</creatorcontrib><creatorcontrib>Slomski, Bartosz</creatorcontrib><creatorcontrib>Osterwalder, Juerg</creatorcontrib><creatorcontrib>Henk, Juergen</creatorcontrib><creatorcontrib>Winkler, Roland</creatorcontrib><creatorcontrib>Ast, Christian R</creatorcontrib><creatorcontrib>Kern, Klaus</creatorcontrib><title>Spin and angular resolved photoemission experiments on epitaxial graphene</title><description>Our recently reported spin and angular resolved photoemission (SARPES)
results on an epitaxial graphene monolayer on SiC(0001) suggested the presence
of a large Rashba-type spin splitting of \Delta k=(0.030+-0.005)1/A [1].
Although this value was orders of magnitude larger than predicted
theoretically, it could be reconciled with the line width found in conventional
spin-integrated high resolution angular resolved photoemission spectroscopy
(ARPES) data. Here we present novel measurements for a hydrogen intercalated
quasi free-standing graphene monolayer on SiC(0001) that reveal a spin
polarization signal that - when interpreted in terms of the Rashba-Bychkov
effect [2,3] - corresponds to a spin splitting of \Delta k=(0.024+-0.005)1/A.
This splitting is significantly larger than the half width at half maximum of
spin-integrated high resolution ARPES measurements which is a strong indication
that the measured polarization signal does not originate from a Rashba-type
spin splitting of the graphene pi-bands as we suggested in our previous report
[1].</description><subject>Physics - Materials Science</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotjz1rwzAURbV0KEn3TkV_wO5TZL04Ywj9CAQ6NLt5ll4SgSMLyQ3uv6_ddrhc7nI5R4hHBWVVGwPPlEZ_KxVAVSqz1vdi_xl9kBTclPNXR0kmzn13YyfjpR96vvqcfR8kj5GTv3IYspxn9AONnjp5ThQvHHgp7k7UZX7474U4vr4cd-_F4eNtv9seCkKjC1tttCINzqxrhxZxxQjYKjAtWiZbI6KGWmniijarCVo5IqOhPYEFo_RCPP3d_qo0cWKi9N3MSs2spH8A-OFG9A</recordid><startdate>20100409</startdate><enddate>20100409</enddate><creator>Gierz, Isabella</creator><creator>Dil, Jan Hugo</creator><creator>Meier, Fabian</creator><creator>Slomski, Bartosz</creator><creator>Osterwalder, Juerg</creator><creator>Henk, Juergen</creator><creator>Winkler, Roland</creator><creator>Ast, Christian R</creator><creator>Kern, Klaus</creator><scope>GOX</scope></search><sort><creationdate>20100409</creationdate><title>Spin and angular resolved photoemission experiments on epitaxial graphene</title><author>Gierz, Isabella ; Dil, Jan Hugo ; Meier, Fabian ; Slomski, Bartosz ; Osterwalder, Juerg ; Henk, Juergen ; Winkler, Roland ; Ast, Christian R ; Kern, Klaus</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a653-c4931a30d578d6c662e606b105b6ceac866630813ae4a928551daa530bf0c0513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Physics - Materials Science</topic><toplevel>online_resources</toplevel><creatorcontrib>Gierz, Isabella</creatorcontrib><creatorcontrib>Dil, Jan Hugo</creatorcontrib><creatorcontrib>Meier, Fabian</creatorcontrib><creatorcontrib>Slomski, Bartosz</creatorcontrib><creatorcontrib>Osterwalder, Juerg</creatorcontrib><creatorcontrib>Henk, Juergen</creatorcontrib><creatorcontrib>Winkler, Roland</creatorcontrib><creatorcontrib>Ast, Christian R</creatorcontrib><creatorcontrib>Kern, Klaus</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gierz, Isabella</au><au>Dil, Jan Hugo</au><au>Meier, Fabian</au><au>Slomski, Bartosz</au><au>Osterwalder, Juerg</au><au>Henk, Juergen</au><au>Winkler, Roland</au><au>Ast, Christian R</au><au>Kern, Klaus</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spin and angular resolved photoemission experiments on epitaxial graphene</atitle><date>2010-04-09</date><risdate>2010</risdate><abstract>Our recently reported spin and angular resolved photoemission (SARPES)
results on an epitaxial graphene monolayer on SiC(0001) suggested the presence
of a large Rashba-type spin splitting of \Delta k=(0.030+-0.005)1/A [1].
Although this value was orders of magnitude larger than predicted
theoretically, it could be reconciled with the line width found in conventional
spin-integrated high resolution angular resolved photoemission spectroscopy
(ARPES) data. Here we present novel measurements for a hydrogen intercalated
quasi free-standing graphene monolayer on SiC(0001) that reveal a spin
polarization signal that - when interpreted in terms of the Rashba-Bychkov
effect [2,3] - corresponds to a spin splitting of \Delta k=(0.024+-0.005)1/A.
This splitting is significantly larger than the half width at half maximum of
spin-integrated high resolution ARPES measurements which is a strong indication
that the measured polarization signal does not originate from a Rashba-type
spin splitting of the graphene pi-bands as we suggested in our previous report
[1].</abstract><doi>10.48550/arxiv.1004.1573</doi><oa>free_for_read</oa></addata></record> |
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| title | Spin and angular resolved photoemission experiments on epitaxial graphene |
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