Plasmon-plasmon interaction and the role of buffer in epitaxial graphene microflakes
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F23%3A00580713" target="_blank" >RIV/68378271:_____/23:00580713 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11320/23:10473330
Result on the web
<a href="https://doi.org/10.1103/PhysRevB.108.045308" target="_blank" >https://doi.org/10.1103/PhysRevB.108.045308</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevB.108.045308" target="_blank" >10.1103/PhysRevB.108.045308</a>
Alternative languages
Result language
angličtina
Original language name
Plasmon-plasmon interaction and the role of buffer in epitaxial graphene microflakes
Original language description
We investigate the origin of the translational symmetry breaking in epitaxially grown single-layer graphene. Despite the surface morphology of graphene films influenced by the presence of mutually parallel SiC surface terraces, the far-infrared magnetoplasmon absorption is almost independent of the angle between the probing light polarization and the orientation of terraces. We explain this discrepancy by spontaneously formed graphene microflakes. We further support our conclusions by the data from confocal Raman mapping and atomic force microscopy and also using data collected on artificially created graphene nanoribbons. An unexpectedly large plasmon resonance redshift was observed in nanoribbons. This is due to an interplay between the plasmon-plasmon coupling and the Coulomb screening by the buffer-induced interface states in nonintercalated samples featuring a buffer layer. This model determines the density of interface states in agreement with experimentally reported values.
Czech name
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Czech description
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Classification
Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Physical Review B
ISSN
2469-9950
e-ISSN
2469-9969
Volume of the periodical
108
Issue of the periodical within the volume
4
Country of publishing house
US - UNITED STATES
Number of pages
12
Pages from-to
045308
UT code for WoS article
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EID of the result in the Scopus database
2-s2.0-85166748976