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Graphene has exhibited a wealth of fascinating properties, but is also known not to be a superconductor. Remarkably, we show that graphene can be made a conventional Bardeen-Cooper-Schrieffer superconductor by the combined effect of charge…

Superconductivity · Physics 2013-08-13 Chen Si , Zheng Liu , Wenhui Duan , Feng Liu

We discuss the possibility of superconductivity in graphene taking into account both electron-phonon and electron-electron Coulomb interactions. The analysis is carried out assuming that the Fermi energy is far away from the Dirac points,…

Superconductivity · Physics 2011-12-13 M. Einenkel , K. B. Efetov

Graphene is at the forefront of condensed matter sciences, because of a variety of interesting phenomena it supports. If graphene could support high Tc superconductivity, after doping for example, it will make it even more valuable. Some…

Superconductivity · Physics 2013-05-29 Sandeep Pathak , Vijay B. Shenoy , G. Baskaran

Based on the first-principles density functional theory electronic structure calculation, we investigate the possible phonon-mediated superconductivity in arsenene, a two-dimensional buckled arsenic atomic sheet, under electron doping. We…

Superconductivity · Physics 2018-03-28 Xin Kong , Miao Gao , Xun-Wang Yan , Zhong-Yi Lu , Tao Xiang

Graphene is the physical realization of many fundamental concepts and phenomena in solid state-physics, but in the long list of graphene remarkable properties, a fundamental block is missing: superconductivity. Making graphene…

Superconductivity · Physics 2011-05-20 Gianni Profeta , Matteo Calandra , Francesco Mauri

We analyze a possible superconductivity in the hole-doped system of layered hydrogenized graphene by taking into account thermal fluctuations of the order parameter. In particular, we demonstrate that in the one-layer case the values of the…

Superconductivity · Physics 2015-05-27 V. M. Loktev , V. Turkowski

Stanene, composed of tin atoms arranged in a single layer, is the tin analogue of graphene and past studies predicted it to be a topological insulator. An energy band gap (of $\sim 0.1$~eV) was obtained in previous calculations for the…

Superconductivity · Physics 2015-06-24 Yusuf Shaidu , Omololu Akin-Ojo

T-carbon has been proposed as a new carbon allotrope in 2011, which was successfully synthesized in recent experiments. Because of its fluffy structure, several kinds of atoms can be intercalated into T-carbon, making it a versatile…

Superconductivity · Physics 2020-06-04 Jing-Yang You , Bo Gu , Gang Su

Insight into why superconductivity in pristine and doped monolayer graphene seems strongly suppressed has been central for the recent years' various creative approaches to realize superconductivity in graphene and graphene-like systems. We…

Superconductivity · Physics 2020-06-12 Even Thingstad , Akashdeep Kamra , Justin W. Wells , Asle Sudbø

We predict that electron-doped silicene is a good two-dimensional electron-phonon superconductor under biaxial tensile strain by first-principles calculations within rigid band approximation. Superconductivity transition temperature of…

Superconductivity · Physics 2013-11-27 Wenhui Wan , Yanfeng Ge , Fan Yang , Yugui Yao

Monolayer graphene exhibits many spectacular electronic properties, with superconductivity being arguably the most notable exception. It was theoretically proposed that superconductivity might be induced by enhancing the electron-phonon…

We predict by first principles calculations that the recently prepared borophene is a pristine two-dimensional (2D) monolayer superconductor, in which the superconductivity can be significantly enhanced by strain and charge carrier doping.…

Superconductivity · Physics 2017-01-09 R. C. Xiao , D. F. Shao , W. J. Lu , H. Y. Lv , J. Y. Li , Y. P. Sun

We study the effects of Kohn anomalies on the superconducting properties in electron- and hole-doped cases of monolayer blue phosphorene, considering both adiabatic and non-adiabatic phonon dispersions using first-principles calculations.…

Superconductivity · Physics 2022-10-05 Mohammad Alidoosti , Davoud Nasr Esfahani , Reza Asgari

Doping is one of the most prominent techniques to alter properties of a given material. Herein, the influence of the electron- and hole-doping on the selected superconducting properties of graphene are considered. In details, the…

Superconductivity · Physics 2023-04-12 Ewa A. Drzazga-Szczęśniak , Adam Z. Kaczmarek

A Fano-like phonon resonance is observed in few-layer (~3) graphene at room temperature using infrared Fourier transform spectroscopy. This Fano resonance is the manifestation of a strong electron-phonon interaction between the discrete…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Zhihong Liu , Xiaoxiang Lu , Peng Peng , Wei Wu , Steven Pei , Qingkai Yu , Jiming Bao

In this paper, the effect of B and N doping on the phonon induced thermal conductivity of graphene has been investigated. This study is important when one has to evaluate the usefulness of electronic properties of B and N doped graphene. We…

We propose to raise the critical temperature $T_c$ for superconductivity in doped C$_{60}$ molecular crystals by increasing the electronic density of states at the Fermi level $N(E_F)$ and thus the electron-phonon coupling constant in…

Superconductivity · Physics 2018-04-18 Dogan Erbahar , Dan Liu , Savas Berber , David Tomanek

The thermal conductivity of doped graphene flake of finite size is investigated with emphasis on the influence of mass of substituting atoms on this property. It is shown that the graphene doping by small concentrations of relatively heavy…

Mesoscale and Nanoscale Physics · Physics 2012-09-26 Vadym Adamyan , Vladimir Zavalniuk

Graphene phonons are measured as a function of electron doping via the addition of potassium adatoms. In the low doping regime, the in-plane carbon G-peak hardens and narrows with increasing doping, analogous to the trend seen in graphene…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 C. A. Howard , M. P. M. Dean , F. Withers

Search for new high-temperature superconductors and insight into their superconducting mechanism are of fundamental importance in condensed matter physics. The discovery of near-room temperature superconductivity at more than a million…

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