Direct observation of electron confinement in epitaxial graphene nanoislands

ACS Nano

Volumn 5, Issue 10, 2011, Pages 8162-8166

  Phark, Soo Hyon ^a   Borme, Jérôme ^b   Vanegas, Augusto León ^a   Corbetta, Marco ^a   Sander, Dirk ^a   Kirschner, Jürgen ^a  

^a MAX PLANCK INSTITUTE OF MICROSTRUCTURE PHYSICS   (Germany)

^b INTERNATIONAL IBERIAN NANOTECHNOLOGY LABORATORY   (Portugal)

Author keywords

Dirac Fermion; electron dispersion relation; epitaxial graphene; quantum confinement; scanning tunneling spectroscopy (STS); standing wave

Indexed keywords

DI/DV MAPS; DIFFERENTIAL CONDUCTANCES; DIRAC FERMIONS; ELECTRON CONFINEMENT; ELECTRON WAVE VECTORS; ENERGY DISPERSIONS; EPITAXIAL GRAPHENE; FERMI VELOCITIES; IR(111); LOCAL DENSITY OF STATE; LOCAL GEOMETRY; NANO SCALE; NANO-ISLANDS; NANOMETER SIZE; SCANNING TUNNELING SPECTROSCOPY; SCANNING TUNNELING SPECTROSCOPY (STS); SPATIAL MODULATIONS; STANDING WAVE;

DISPERSION (WAVES); ELECTRONIC PROPERTIES; ELECTRONIC STRUCTURE; EPITAXIAL GROWTH; FOURIER ANALYSIS; IRIDIUM; PLASMA CONFINEMENT; QUANTUM CONFINEMENT; SCANNING TUNNELING MICROSCOPY; SPECTROSCOPY;

GRAPHENE;

EID: 80055002222     PISSN: 19360851     EISSN: 1936086X     Source Type: Journal    
DOI: 10.1021/nn2028105     Document Type: Article

References (40)

1. Wallace, P. R. The Band Theory of Graphite Phys. Rev. 1947, 71, 622
2. Geim, A. K.; Novoselov, K. S. The Rise of Graphene Nat. Mater. 2007, 6, 183-191 (Pubitemid 46353764)
3. Castro Neto, A. H.; Guinea, F.; Peres, N. M. R.; Novoselov, K. S.; Geim, A. K. The Electronic Properties of Graphene Rev. Mod. Phys. 2009, 81, 109-162
4. Crommie, M. F.; Lutz, C. P.; Eigler, D. M. Imaging Standing Waves in a Two-Dimensional Electron Gas Nature 1993, 363, 524-527
5. Berger, C.; Song, Z.; Li, X.; Wu, X.; Brown, N.; Naud, C.; Mayou, D.; Li, T.; Hass, J.; Marchenkov, A. N. et al. Electronic Confinement and Coherence in Patterned Epitaxial Graphene Science 2006, 312, 1191-1196 (Pubitemid 43801140)
6. Han, M. Y.; Ozyilmaz, B.; Zhang, Y. B.; Kim, P. Energy Band-Gap Engineering of Graphene Nanoribbons Phys. Rev. Lett. 2007, 98, 206805
7. Li, X. L.; Wang, X. R.; Zhang, L.; Lee, S. W.; Dai, H. J. Chemically Derived, Ultrasmooth Graphene Nanoribbon Semiconductors Science 2008, 319, 1229-1232 (Pubitemid 351323015)
8. Tapasztó, L.; Dobrik, G.; Lambin, P.; Biró, L. P. Tailoring the Atomic Structure of Graphene Nanoribbons by Scanning Tunneling Microscope Lithography Nat. Nanotechnol. 2008, 3, 397-401
9. Ritter, K. A.; Lyding, J. W. The Influence of Edge Structure on the Electronic Properties of Graphene Quantum Dots and Nanoribbons Nat. Mater. 2009, 8, 235-242
10. 60 Molecules into Graphene Quantum Dots Nat. Nanotechnol. 2011, 6, 247-252
11. Tao, C.; Jiao, L.; Yazyev, O. V.; Chen, Y.-Z.; Feng, J.; Zhang, X.; Capaz, R. B.; Tour, J. M.; Zettl, A.; Louie, S. G. et al. Spatially Resolving Edge States of Chiral Graphene Nanoribbons Nat. Phys. 2011, 7, 616-620
12. Friedel, J. Metallic Alloys Nuevo Cimento 1958, 7, 287
13. Rodary, G.; Sander, D.; Liu, H.; Zhao, L.; Niebergall, L.; Stepanyuk, V. S.; Bruno, P.; Kirschner, J. Quantization of the Electron Wave Vector in Nanostructures: Counting k -States Phys. Rev. B 2007, 75, 233412
14. Oka, H.; Ignatiev, P. A.; Wedekind, S.; Rodary, G.; Niebergall, L.; Stepanyuk, V. S.; Sander, D.; Kirschner, J. Spin-Dependent Quantum Interference within a Single Magnetic Nanostructure Science 2010, 327, 843-846
15. Cheianov, V. V. Impurity Scattering, Friedel Oscillation and RKKY Interaction in Graphene Eur. Phys. J. Special Topics 2007, 148, 55-61
16. Yang, H.; Mayne, A. J.; Boucherit, M.; Comtet, G.; Dujardin, G.; Kuk, Y. Quantum Interference Channeling at Graphene Edges Nano Lett. 2010, 10, 943-947
17. Simon, L.; Bena, C.; Vonau, F.; Cranney, M.; Aubel, D. Fourier Transform Scanning Tunneling Spectroscopy: The Possibility To Obtain Constant Energy Maps and Band Dispersion Using a Local Measurement; arXiv:1107.3648v1, 2011.
18. Rutter, G. M.; Crain, J. N.; Guisinger, N. P.; Li, T.; First, P. N.; Stroscio, J. A. Scattering and Interference in Epitaxial Graphene Science 2007, 317, 219-222 (Pubitemid 47076191)
19. Tapasztó, L.; Dobrik, G.; Nemes-Incze, P.; Vertesy, G.; Lambin, Ph.; Biró, L. P. Tuning the Electronic Structure of Graphene by Ion Irradiation Phys. Rev. B 2008, 78, 233407
20. Simon, L.; Bena, C.; Vonau, F.; Aubel, D.; Nasrallah, H.; Habar, M.; Peruchetti, J. C. Symmetry of Standing Waves Generated by a Point Defect in Epitaxial Graphene Eur. Phys. J. B 2009, 69, 351-355
21. Heiskanen, H. P.; Manninen, M.; Akola, J. Electronic Structure of Triangular, Hexagonal and Round Graphene Flakes near the Fermi Level New J. Phys. 2008, 10, 103015
22. Rozhkov, A. V.; Nori, F. Exact Wave Functions for an Electron on a Graphene Triangular Quantum Dot Phys. Rev. B 2010, 81, 155401
23. Nakada, K.; Fujita, M.; Dresselhaus, G.; Dresselhaus, M. S. Edge State in Graphene Ribbons: Nanometer Size Effect and Edge Shape Dependence Phys. Rev. B 1996, 54, 17954
24. Son, Y.-W.; Cohen, M. L.; Louie, S. G. Energy Gaps in Graphene Nanoribbons Phys. Rev. Lett. 2006, 97, 216803
25. N'Diaye, A. T.; Coraux, J.; Plasa, T. N.; Busse, C.; Michely, T. Structure of Epitaxial Graphene on Ir(111) New J. Phys. 2008, 10, 043033
26. Li, J.; Schneider, W.-D.; Crampin, S.; Berndt, R. Tunneling Spectroscopy of Surface State Scattering and Confinement Surf. Sci. 1999, 422, 95-106
27. Kliewer, J.; Berndt, R.; Crampin, S. Scanning Tunneling Spectroscopy of Electron Resonators New J. Phys. 2001, 3, 22
28. Heller, E. J.; Crommie, M. F.; Lutz, C. P.; Eigler, D. M. Scattering and Absorption of Surface Electron Waves in Quantum Corrals Nature 1994, 369, 464-466 (Pubitemid 24212116)
29. Crommie, M. F.; Lutz, C. P.; Eigler, D. M.; Heller, E. J. Quantum Corrals Physica D 1995, 83, 98-108
30. Diekhöner, L.; Schneider, M. A.; Baranov, A. N.; Stepanyuk, V. S.; Bruno, P.; Kern, K. Surface States of Cobalt Nanoislands on Cu(111) Phys. Rev. Lett. 2003, 90, 236801
31. Petersen, L.; Sprunger, P. T.; Hofmann, Ph.; Lægsgaard, E.; Briner, B. G.; Doering, M.; Rust, H.-P.; Bradshaw, A. M.; Besenbacher, F.; Plummer, E. W. Direct Imaging of the Two-Dimensional Fermi Contour: Fourier-Transform STM Phys. Rev. B 1998, 57, R6858-R6861
32. Schouteden, K.; Lijnen, E.; Janssens, E.; Ceulemans, A; Chibotaru, L; Lievens, P.; Van Haesendonck, C. Confinement of Surface State Electrons in Self-Organized Co Islands on Au(111) New J. Phys. 2008, 10, 043016
33. Pletikosić, I.; Kralj, M.; Pervan, P.; Brako, R.; Coraux, J.; N'Diaye, A. T.; Busse, C.; Michely, T. Dirac Cones and Minigaps for Graphene on Ir(111) Phys. Rev. Lett. 2009, 102, 056806
34. Rusponi, S.; Papagno, M.; Moras, P.; Vlaic, S.; Etzkorn, M.; Sheverdyaeva, P. M.; Pacilé, D.; Brune, H.; Carbone, C. Highly Anisotropic Dirac Cones in Epitaxial Graphene Modulated by an Island Superlattice Phys. Rev. Lett. 2010, 105, 246803
35. Kralj, M.; Pletikosić, I.; Petrović, M.; Pervan, P.; Milun, M.; N'Diaye, A. T.; Busse, C.; Michely, T.; Fujii, J.; Vobornik, I. Graphene on Ir(111) Characterized by Angle-Resolved Photoemission Phys. Rev. B 2011, 84, 075427
36. Starodub, E.; Bostwick, A.; Moreschini, L.; Nie, S.; El Gabaly, F.; McCarty, K. F.; Rotenberg, E. In-Plane Orientation Effects on the Electronic Structure, Stability, and Raman Scattering of Monolayer Graphene on Ir(111) Phys. Rev. B 2011, 83, 125428
37. Pereira, V. M.; Dos Santos, J. M. B. L.; Castro Neto, A. H. Modeling Disorder in Graphene Phys. Rev. B 2008, 77, 115109
38. Lacovig, P.; Pozzo, M.; Alfé, D.; Vilmercati, P.; Baraldi, A.; Lizzit, S. Growth of Dome-Shaped Carbon Nanoislands on Ir(111): The Intermediate between Carbidic Clusters and Quasi-Free-Standing Graphene Phys. Rev. Lett. 2009, 103, 166101
39. Chen, H; Zhu, W.; Zhang, Z. Contrasting Behavior of Carbon Nucleation in the Initial Stages of Graphene Epitaxial Growth on Stepped Metal Surfaces Phys. Rev. Lett. 2010, 104, 186101
40. Cui, Y.; Fu, Q.; Zhang, H.; Bao, X. Formation of Identical-Size Graphene Nanoclusters on Ru(0001) Chem. Commun. 2011, 47, 1470-1472