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Environmental control of electron-phonon coupling in barium doped graphene. / Verbitskiy, N. I.; Fedorov, A. V.; Tresca, C.; Profeta, G.; Petaccia, L.; Senkovskiy, B. V.; Usachov, D. Yu; Vyalikh, D. V.; Yashina, L. V.; Eliseev, A. A.; Pichler, T.; Grueneis, A.

в: 2D Materials, Том 3, № 4, 045003, 12.2016, стр. 1-7.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

Verbitskiy, NI, Fedorov, AV, Tresca, C, Profeta, G, Petaccia, L, Senkovskiy, BV, Usachov, DY, Vyalikh, DV, Yashina, LV, Eliseev, AA, Pichler, T & Grueneis, A 2016, 'Environmental control of electron-phonon coupling in barium doped graphene', 2D Materials, Том. 3, № 4, 045003, стр. 1-7. https://doi.org/10.1088/2053-1583/3/4/045003, https://doi.org/10.1088/2053-1583/3/4/045003

APA

Verbitskiy, N. I., Fedorov, A. V., Tresca, C., Profeta, G., Petaccia, L., Senkovskiy, B. V., Usachov, D. Y., Vyalikh, D. V., Yashina, L. V., Eliseev, A. A., Pichler, T., & Grueneis, A. (2016). Environmental control of electron-phonon coupling in barium doped graphene. 2D Materials, 3(4), 1-7. [045003]. https://doi.org/10.1088/2053-1583/3/4/045003, https://doi.org/10.1088/2053-1583/3/4/045003

Vancouver

Verbitskiy NI, Fedorov AV, Tresca C, Profeta G, Petaccia L, Senkovskiy BV и пр. Environmental control of electron-phonon coupling in barium doped graphene. 2D Materials. 2016 Дек.;3(4):1-7. 045003. https://doi.org/10.1088/2053-1583/3/4/045003, https://doi.org/10.1088/2053-1583/3/4/045003

Author

Verbitskiy, N. I. ; Fedorov, A. V. ; Tresca, C. ; Profeta, G. ; Petaccia, L. ; Senkovskiy, B. V. ; Usachov, D. Yu ; Vyalikh, D. V. ; Yashina, L. V. ; Eliseev, A. A. ; Pichler, T. ; Grueneis, A. / Environmental control of electron-phonon coupling in barium doped graphene. в: 2D Materials. 2016 ; Том 3, № 4. стр. 1-7.

BibTeX

@article{ec3bcd0a450d4b0481d5d878397fd3bf,
title = "Environmental control of electron-phonon coupling in barium doped graphene",
abstract = "Two-dimensional superconductivity in alkali-and alkaline-Earth-metal doped monolayer graphene has been explained in the framework of electron-phonon coupling (EPC) and experiments yielded superconducting transition temperatures (TC) up to 6 K. In contrast to bulk graphite intercalation compounds, the interface of doped graphene with its environment affects its physical properties. Here we present a novel and well-defined BaC8 interface structure in Ba-doped single-layer graphene on Au and Ge substrates. We use angle-resolved photoemission spectroscopy in combination with ab initio modelling to extract the Eliashberg function and EPC for both substrates. This allows us to quantitatively assess the environmental effects for both Au and Ge substrates on superconductivity in graphene. We show that for semiconducting Ge substrates, the doping level and EPC are higher. Our study highlights that both dopant order and the metallicity of the substrate can be used to control EPC and hence superconductivity.",
keywords = "graphene, chemical doping, angle-resolved photoemission, electron-phonon coupling, superconductivity, INTERCALATED BILAYER GRAPHENE, TOTAL-ENERGY CALCULATIONS, WAVE BASIS-SET, SUPERCONDUCTIVITY, GRAPHITE, C6CA, BAC6",
author = "Verbitskiy, {N. I.} and Fedorov, {A. V.} and C. Tresca and G. Profeta and L. Petaccia and Senkovskiy, {B. V.} and Usachov, {D. Yu} and Vyalikh, {D. V.} and Yashina, {L. V.} and Eliseev, {A. A.} and T. Pichler and A. Grueneis",
year = "2016",
month = dec,
doi = "10.1088/2053-1583/3/4/045003",
language = "Английский",
volume = "3",
pages = "1--7",
journal = "2D Materials",
issn = "2053-1583",
publisher = "IOP Publishing Ltd.",
number = "4",

}

RIS

TY - JOUR

T1 - Environmental control of electron-phonon coupling in barium doped graphene

AU - Verbitskiy, N. I.

AU - Fedorov, A. V.

AU - Tresca, C.

AU - Profeta, G.

AU - Petaccia, L.

AU - Senkovskiy, B. V.

AU - Usachov, D. Yu

AU - Vyalikh, D. V.

AU - Yashina, L. V.

AU - Eliseev, A. A.

AU - Pichler, T.

AU - Grueneis, A.

PY - 2016/12

Y1 - 2016/12

N2 - Two-dimensional superconductivity in alkali-and alkaline-Earth-metal doped monolayer graphene has been explained in the framework of electron-phonon coupling (EPC) and experiments yielded superconducting transition temperatures (TC) up to 6 K. In contrast to bulk graphite intercalation compounds, the interface of doped graphene with its environment affects its physical properties. Here we present a novel and well-defined BaC8 interface structure in Ba-doped single-layer graphene on Au and Ge substrates. We use angle-resolved photoemission spectroscopy in combination with ab initio modelling to extract the Eliashberg function and EPC for both substrates. This allows us to quantitatively assess the environmental effects for both Au and Ge substrates on superconductivity in graphene. We show that for semiconducting Ge substrates, the doping level and EPC are higher. Our study highlights that both dopant order and the metallicity of the substrate can be used to control EPC and hence superconductivity.

AB - Two-dimensional superconductivity in alkali-and alkaline-Earth-metal doped monolayer graphene has been explained in the framework of electron-phonon coupling (EPC) and experiments yielded superconducting transition temperatures (TC) up to 6 K. In contrast to bulk graphite intercalation compounds, the interface of doped graphene with its environment affects its physical properties. Here we present a novel and well-defined BaC8 interface structure in Ba-doped single-layer graphene on Au and Ge substrates. We use angle-resolved photoemission spectroscopy in combination with ab initio modelling to extract the Eliashberg function and EPC for both substrates. This allows us to quantitatively assess the environmental effects for both Au and Ge substrates on superconductivity in graphene. We show that for semiconducting Ge substrates, the doping level and EPC are higher. Our study highlights that both dopant order and the metallicity of the substrate can be used to control EPC and hence superconductivity.

KW - graphene

KW - chemical doping

KW - angle-resolved photoemission

KW - electron-phonon coupling

KW - superconductivity

KW - INTERCALATED BILAYER GRAPHENE

KW - TOTAL-ENERGY CALCULATIONS

KW - WAVE BASIS-SET

KW - SUPERCONDUCTIVITY

KW - GRAPHITE

KW - C6CA

KW - BAC6

U2 - 10.1088/2053-1583/3/4/045003

DO - 10.1088/2053-1583/3/4/045003

M3 - статья

VL - 3

SP - 1

EP - 7

JO - 2D Materials

JF - 2D Materials

SN - 2053-1583

IS - 4

M1 - 045003

ER -

ID: 7608897