Characterization of collective ground states in single-layer NbSe 2

Nature Physics

Volumn 12, Issue 1, 2016, Pages 92-97

  Ugeda, Miguel M ^a,b,c   Bradley, Aaron J ^a   Zhang, Yi ^d,e,f   Onishi, Seita ^a   Chen, Yi ^a   Ruan, Wei ^a,g   Ojeda Aristizabal, Claudia ^a,d,h   Ryu, Hyejin ^d   Edmonds, Mark T ^a,i   Tsai, Hsin Zon ^a   Riss, Alexander ^a,j   Mo, Sung Kwan ^d   Lee, Dunghai ^a   Zettl, Alex ^a,d   Hussain, Zahid ^d   Shen, Zhi Xun ^e,k   Crommie, Michael F ^a,d  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b CIC NANOGUNE   (Spain)

^c BASQUE FOUNDATION FOR SCIENCE   (Spain)

^d LAWRENCE BERKELEY NATIONAL LABORATORY   (United States)

^e SLAC NATIONAL ACCELERATOR LABORATORY   (United States)

^f NANJING UNIVERSITY   (China)

^g TSINGHUA UNIVERSITY   (China)

^h CALIFORNIA STATE UNIVERSITY   (United States)

ⁱ MONASH UNIVERSITY   (Australia)

^j VIENNA UNIVERSITY OF TECHNOLOGY   (Austria)

^k STANFORD UNIVERSITY   (United States)

more..

Author keywords

[No Author keywords available]

Indexed keywords

CHARGE DENSITY; CHARGE DENSITY WAVES; ELECTRONIC STRUCTURE; FERMI LEVEL; GROUND STATE; PHOTOELECTRON SPECTROSCOPY; SCANNING TUNNELING MICROSCOPY; SELENIUM COMPOUNDS; TEMPERATURE; TRANSITION METALS;

ANGLE RESOLVED PHOTOEMISSION SPECTROSCOPY; ELECTRICAL TRANSPORT MEASUREMENTS; ELECTRONIC CHARACTERIZATION; ELECTRONIC PHASIS; FORMATION MECHANISM; LAYERED TRANSITION METAL DICHALCOGENIDES; STRONGLY CORRELATED SYSTEMS; TWO DIMENSIONAL (2 D);

NIOBIUM COMPOUNDS;

EID: 84954076212     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys3527     Document Type: Article

References (35)

1. Frohlich H. Electrons in lattice fields. Adv. Phys. 3, 325-361 (1954
2. Peierls R E. Quantum Theory of Solids (Clarendon, 1955
3. Guo Y., et al. Superconductivity modulated by quantum size effects. Science 306, 1915-1917 (2004
4. Qin S. Y., Kim J., Niu Q., & Shih C. K. Superconductivity at the two-dimensional limit. Science 324, 1314-1317 (2009
5. Bose S., et al. Observation of shell effects in superconducting nanoparticles of Sn. Nature Mater. 9, 550-554 (2010
6. Calandra M., Mazin I. I., & Mauri F. Effect of dimensionality on the charge-density wave in few-layer 2H-NbSe2. Phys. Rev. B 80, 241108 (2009
7. Lebegue S., & Eriksson O. Electronic structure of two-dimensional crystals from ab initio theory. Phys. Rev. B 79, 115409 (2009
8. Darancet P., Millis A. J., & Marianetti C. A. Three-dimensional metallic and two-dimensional insulating behaviour in octahedral tantalum dichalcogenides. Phys. Rev. B 90, 045134 (2014
9. Peng J. P., et al. Molecular beam epitaxy growth and scanning tunneling microscopy study of TiSe2 ultrathin films. Phys. Rev. B 91, 121113 (2015
10. Novoselov K. S., et al. Two-dimensional atomic crystals. Proc. Natl Acad. Sci. USA 102, 10451-10453 (2005
11. Frindt R. F. Superconductivity in ultrathin NbSe2 layers. Phys. Rev. Lett. 28, 299-301 (1972
12. Staley N. E., et al. Electric field effect on superconductivity in atomically thin flakes of NbSe2. Phys. Rev. B 80, 184505 (2009
13. Cao Y., et al Quality heterostructures from two dimensional crystals unstable in air by their assembly in inert atmosphere. Nano Lett. 15, 4914-4921 (2015
14. Varma C. M., & Simons A. L. Strong-coupling theory of charge-density-wave transitions. Phys. Rev. Lett. 51, 138-141 (1983
15. Valla T., et al. Quasiparticle spectra, charge-density waves, superconductivity, and electron-phonon coupling in 2H-NbSe2. Phys. Rev. Lett. 92, 086401 (2004
16. Weber F., et al. Extended phonon collapse and the origin of the charge-density wave in 2H-NbSe2. Phys. Rev. Lett. 107, 107403 (2011
17. Rahn D. J., et al. Gaps and kinks in the electronic structure of the superconductor 2H-NbSe2 from angle-resolved photoemission at 1 K. Phys. Rev. B 85, 224532 (2012
18. Soumyanarayanan A., et al. Quantum phase transition from triangular to stripe charge order in NbSe2. Proc. Natl Acad. Sci. USA 110, 1623-1627 (2013
19. Arguello C. J., et al. Visualizing the charge density wave transition in 2HNbSe2 in real space. Phys. Rev. B 89, 235115 (2014
20. Arguello C. J., et al. Quasiparticle interference, quasiparticle interactions, and the origin of the charge density wave in 2H-NbSe2. Phys. Rev. Lett. 114, 037001 (2015
21. Wilson J. A., Disalvo F. J., & Mahajan S. Charge-density waves in metallic, layered, transition-metal dichalcogenides. Phys. Rev. Lett. 32, 882-885 (1974
22. Straub T., et al. Charge-density-wave mechanism in 2H-NbSe2: Photoemission results. Phys. Rev. Lett. 82, 4504-4507 (1999
23. Shen D.W., et al. Primary role of the barely occupied states in the charge density wave formation of NbSe2. Phys. Rev. Lett. 101, 226406 (2008
24. Borisenko S. V., et al. Two energy gaps and fermi-surface Arcs in NbSe2. Phys. Rev. Lett. 102, 166402 (2009
25. Rice T. M., & Scott G. K. New mechanism for a charge-density-wave instability. Phys. Rev. Lett. 35, 120-123 (1975
26. Kiss T., et al. Charge-order-maximized momentum-dependent superconductivity. Nature Phys. 3, 720-725 (2007
27. Chen,W., et al. Energy gaps measured by scanning tunneling microscopy. Phys. Rev. B 42, 8890-8906 (1990
28. Hess H. F., Robinson R. B., & Waszczak J. V. STM spectroscopy of vortex cores and the flux lattice. Physica B 169, 422-431 (1991
29. Harper J. M. E., Geballe T. H., & Disalvo F. J. Heat-capacity of 2H-N NbSe2 at charge-density wave transition. Phys. Lett. A 54, 27-28 (1975
30. Giambattista B., et al. Charge-density waves observed at 4.2K by scanning-tunneling microscopy. Phys. Rev. B 37, 2741-2744 (1988
31. Ugeda M. M., et al. Giant bandgap renormalization and excitonic effects in a monolayer transition metal dichalcogenide semiconductor. Nature Mater. 13, 1091-1095 (2014
32. Wintterlin J., & Bocquet M. L. Graphene on metal surfaces. Surf. Sci. 603, 1841-1852 (2009
33. Johannes M. D., Mazin I. I., & Howells C. A. Fermi-surface nesting and the origin of the charge-density wave in NbSe2. Phys. Rev. B 73, 205102 (2006
34. Wang Q. Y., et al. Large-scale uniform bilayer graphene prepared by vacuum graphitization of 6H-SiC (0001) substrates. J. Phys. Condens. Mater. 25, 095002 (2013
35. Horcas I., et al.WSXM: A software forscanning probe microscopy and a tool for nanotechnology. Rev. Sci. Instrum. 78, 013705 (2007