Anisotropic electron-phonon coupling and dynamical nesting on the graphene sheets in superconducting CaC6 using angle-resolved photoemission spectroscopy.

作者: T. Valla , J. Camacho , Z.-H. Pan , A. V. Fedorov , A. C. Walters

DOI: 10.1103/PHYSREVLETT.102.107007

关键词:

摘要: … Our results suggest that graphene sheets play a crucial role in superconductivity in graphite … Ã electrons and high-frequency graphene-derived phonons is anisotropic and sufficiently …

参考文章(32)
Konstantin Emtsev, Thomas Seyller, Taisuke Ohta, Jessica L McChesney, Eli Rotenberg, Karsten Horn, Aaron Bostwick, Massive enhancement of electron-phonon coupling in doped graphene by an electronic singularity arXiv: Strongly Correlated Electrons. ,(2019)
C. Stassis, C.-K. Loong, J. Zarestky, O. D. McMasters, R. M. Nicklow, Lattice dynamics of Ce Sn 3 Physical Review B. ,vol. 23, pp. 5128- 5136 ,(1981) , 10.1103/PHYSREVB.23.5128
D. Rieger, F. J. Himpsel, U. O. Karlsson, F. R. McFeely, J. F. Morar, J. A. Yarmoff, Electronic structure of the CaF2/Si(111) interface. Physical Review B. ,vol. 34, pp. 7295- 7306 ,(1986) , 10.1103/PHYSREVB.34.7295
G. Lamura, M. Aurino, G. Cifariello, E. Di Gennaro, A. Andreone, N. Emery, C. Hérold, J.-F. Marêché, P. Lagrange, Experimental evidence of s-wave superconductivity in bulk CaC6 Physical Review Letters. ,vol. 96, pp. 107008- ,(2006) , 10.1103/PHYSREVLETT.96.107008
JS Kim, RK Kremer, Lilia Boeri, FS Razavi, None, Specific Heat of the Ca-Intercalated Graphite Superconductor CaC 6 Physical Review Letters. ,vol. 96, pp. 217002- 217200 ,(2006) , 10.1103/PHYSREVLETT.96.217002
N. Emery, C. Hérold, M. d’Astuto, V. Garcia, Ch. Bellin, J. F. Marêché, P. Lagrange, G. Loupias, Superconductivity of Bulk CaC 6 Physical Review Letters. ,vol. 95, pp. 087003- 087003 ,(2005) , 10.1103/PHYSREVLETT.95.087003
H. Van Doveren, J.A.T.H. Verhoeven, XPS spectra of Ca, Sr, Ba and their oxides Journal of Electron Spectroscopy and Related Phenomena. ,vol. 21, pp. 265- 273 ,(1980) , 10.1016/0368-2048(80)85055-9
Lilia Boeri, Giovanni B. Bachelet, Matteo Giantomassi, Ole K. Andersen, Electron-phonon interaction in graphite intercalation compounds Physical Review B. ,vol. 76, pp. 064510- ,(2007) , 10.1103/PHYSREVB.76.064510
Matteo Calandra, Francesco Mauri, Theoretical Explanation of Superconductivity inC6Ca Physical Review Letters. ,vol. 95, pp. 237002- ,(2005) , 10.1103/PHYSREVLETT.95.237002
A. K. Geim, K. S. Novoselov, The rise of graphene Nature Materials. ,vol. 6, pp. 183- 191 ,(2007) , 10.1038/NMAT1849