Observation of anomalous phonon softening in bilayer graphene

Physical Review Letters

Volumn 101, Issue 13, 2008, Pages

  Yan, Jun ^a   Henriksen, Erik A ^a   Kim, Philip ^a   Pinczuk, Aron ^a  

^a Columbia University ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

LATTICE VIBRATIONS;

BI LAYERS; BILAYER GRAPHENE; ELECTRON-HOLE PAIRS; ELECTRON-PHONON COUPLING; GRAPHENE; GROUP VELOCITIES; KOHN ANOMALIES; LOG ARITHMIC SINGULARITY; OPTICAL-; PHONON ENERGIES; PHONON SOFTENING; PHYSICAL PHENOMENON;

PHONONS;

EID: 53349146102     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.101.136804     Document Type: Article

References (27)

1. A.K. Geim and K.S. Novoselov, Nature Mater. 6, 183 (2007). NMAACR 1476-1122 10.1038/nmat1849
2. D.M. Basko and I.L. Aleiner, Phys. Rev. B PRBMDO 0163-1829 77, 041409(R) (2008). 10.1103/PhysRevB.77.041409
3. S.K. Saha, U.V. Waghmare, H.R. Krishnamurthy, and A.K. Sood, Phys. Rev. B PRBMDO 0163-1829 76, 201404 (R) (2007). 10.1103/PhysRevB.76.201404
4. A.H. Castro Neto and F. Guinea, Phys. Rev. B PRBMDO 0163-1829 75, 045404 (2007). 10.1103/PhysRevB.75.045404
5. M. Lazzeri and F. Mauri, Phys. Rev. Lett. 97, 266407 (2006). PRLTAO 0031-9007 10.1103/PhysRevLett.97.266407
6. T. Ando, J. Phys. Soc. Jpn. 75, 124701 (2006). JUPSAU 0031-9015 10.1143/JPSJ.75.124701
7. T. Ando, J. Phys. Soc. Jpn. 76, 104711 (2007). JUPSAU 0031-9015 10.1143/JPSJ.76.104711
8. J. Yan, Y. Zhang, P. Kim, and A. Pinczuk, Phys. Rev. Lett. 98, 166802 (2007). PRLTAO 0031-9007 10.1103/PhysRevLett.98.166802
9. S. Pisana, Nature Mater. 6, 198 (2007). NMAACR 1476-1122 10.1038/nmat1846
10. C. Stampfer, Appl. Phys. Lett. 91, 241907 (2007). APPLAB 0003-6951 10.1063/1.2816262
11. J. Yan, Y. Zhang, S. Goler, P. Kim, and A. Pinczuk, Solid State Commun. 143, 39 (2007). SSCOA4 0038-1098 10.1016/j.ssc.2007.04.022
12. E. McCann and V.I. Falko, Phys. Rev. Lett. 96, 086805 (2006). PRLTAO 0031-9007 10.1103/PhysRevLett.96.086805
13. E. McCann, D.S.L. Abergel, and V.I. Fal'ko, Solid State Commun. 143, 110 (2007). SSCOA4 0038-1098 10.1016/j.ssc.2007.03.054
14. H. Suzuura and T. Ando, Phys. Rev. B PRBMDO 0163-1829 65, 235412 (2002). 10.1103/PhysRevB.65.235412
15. K. Ishikawa and T. Ando, J. Phys. Soc. Jpn. 75, 084713 (2006). JUPSAU 0031-9015 10.1143/JPSJ.75.084713
16. G.D. Mahan, Many-Particle Physics (Plenum, New York, 1990).
17. H. Farhat, Phys. Rev. Lett. 99, 145506 (2007). PRLTAO 0031-9007 10.1103/PhysRevLett.99.145506
18. M.Y. Han, B. Özyilmaz, Y. Zhang, and P. Kim, Phys. Rev. Lett. 98, 206805 (2007). PRLTAO 0031-9007 10.1103/PhysRevLett.98.206805
19. M. Chandrasekhar, J.B. Renucci, and M. Cardona, Phys. Rev. B PRBMDO 0163-1829 17, 1623 (1978). 10.1103/PhysRevB.17.1623
20. F. Cerdeira and M. Cardona, Phys. Rev. B PRBMDO 0163-1829 5, 1440 (1972). 10.1103/PhysRevB.5.1440
21. K.S. Novoselov, Nature Phys. 2, 177 (2006). NPAHAX 1745-2481 10.1038/nphys245
22. Z. Jiang, Phys. Rev. Lett. 98, 197403 (2007). PRLTAO 0031-9007 10.1103/PhysRevLett.98.197403
23. J. Martin, Nature Phys. 4, 144 (2008). NPAHAX 1745-2481 10.1038/nphys781
24. T. Ohta, A. Bostwick, T. Seyller, K. Horn, and E. Rotenberg, Science 313, 951 (2006). SCIEAS 0036-8075 10.1126/science.1130681
25. Z.Q. Li, arXiv:0807.3776v1.
26. Y.-W. Tan, Phys. Rev. Lett. 99, 246803 (2007). PRLTAO 0031-9007 10.1103/PhysRevLett.99.246803
27. S. Adam, E.H. Hwang, V.M. Galitski, and S. Das Sarma, Proc. Natl. Acad. Sci. U.S.A. PNASA6 0027-8424 104, 18392 (2007). 10.1073/pnas.0704772104