Spatially resolved one-dimensional boundary states in graphene-hexagonal boron nitride planar heterostructures

Nature Communications

Volumn 5, Issue , 2014, Pages

  Park, Jewook ^a   Lee, Jaekwang ^a   Liu, Lei ^b   Clark, Kendal W ^c   Durand, Corentin ^a   Park, Changwon ^a   Sumpter, Bobby G ^a   Baddorf, Arthur P ^a   Mohsin, Ali ^b   Yoon, Mina ^a   Gu, Gong ^b   Li, An Ping ^a  

^a OAK RIDGE NATIONAL LABORATORY   (United States)

^b UNIVERSITY OF TENNESSEE   (United States)

^c Central Methodist University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BORON; COPPER; GRAPHENE; GRAPHENE HEXAGONAL BORON NITRIDE; NANORIBBON; UNCLASSIFIED DRUG;

BORON; CHEMICAL COMPOUND; CRYSTAL STRUCTURE; INTERFACE; SPATIAL RESOLUTION;

ARTICLE; CHEMICAL STRUCTURE; CONDUCTANCE; CRYSTALLOGRAPHY; DENSITY FUNCTIONAL THEORY; ELECTRIC FIELD; ELECTRIC POTENTIAL; ELECTRON MICROSCOPY; ENERGY; FOURIER TRANSFORMATION; SCANNING TUNNELING MICROSCOPY; SPECTROSCOPY;

EID: 84923295629     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms6403     Document Type: Article

References (37)

1. 3 interface. Nat. Phys. 7, 767-771 (2011).
2. 3 interfaces. Nat. Phys. 7, 762-766 (2011).
3. 3 heterointerface. Nature 427, 423-426 (2004).
4. Reyren, N. et al. Superconducting interfaces between insulating oxides. Science 317, 1196-1199 (2007).
5. Kroemer, H. Nobel Lecture: Quasielectric fields and band offsets: teaching electrons new tricks. Rev. Mod. Phys. 73, 783-793 (2001).
6. Liu, L. et al. Heteroepitaxial growth of two-dimensional hexagonal boron nitride templated by graphene edges. Science 343, 163-167 (2014).
7. Han, G. H. et al. Continuous growth of hexagonal graphene and boron nitride in-plane heterostructures by atmospheric pressure chemical vapor deposition. ACS Nano 7, 10129-10138 (2013).
8. Sutter, P., Cortes, R., Lahiri, J. & Sutter, E. Interface formation in monolayer graphene-boron nitride heterostructures. Nano Lett. 12, 4869-4874 (2012).
9. Ci, L. et al. Atomic layers of hybridized boron nitride and graphene domains. Nat. Mater. 9, 430-435 (2010).
10. Gao, Y. et al. Toward single-layer uniform hexagonal boron nitride-graphene patchworks with zigzag linking edges. Nano Lett. 13, 3439-3443 (2013).
11. Kim, S. M. et al. Synthesis of patched or stacked graphene and hBN flakes: a route to hybrid structure discovery. Nano Lett. 13, 933-941 (2013).
12. Okada, S., Igami, M., Nakada, K. & Oshiyama, A. Border states in heterosheets with hexagonal symmetry. Phys. Rev. B 62, 9896-9899 (2000).
13. Pruneda, J. M. Origin of half-semimetallicity induced at interfaces of C-BN heterostructures. Phys. Rev. B 81, 161409 (2010).
14. Liu, Y., Bhowmick, S. & Yakobson, B. I. BN white graphene with 'colorful' edges: the energies and morphology. Nano Lett. 11, 3113-3116 (2011).
15. Bhowmick, S., Singh, A. K. & Yakobson, B. I. Quantum dots and nanoroads of graphene embedded in hexagonal boron nitride. J. Phys. Chem. C 115, 9889-9893 (2011).
16. Liu, Y., Wu, X., Zhao, Y., Zeng, X. C. & Yang, J. Half-metallicity in hybrid graphene/boron nitride nanoribbons with dihydrogenated edges. J. Phys. Chem. C 115, 9442-9450 (2011).
17. Xiao, H. P. et al. Size effect of half-metallic properties of BN/C hybrid nanoribbons. Phys. B: Cond. Matt. 407, 4770-4772 (2012).
18. Bristowe, N. C., Stengel, M., Littlewood, P. B., Artacho, E. & Pruneda, J. M. One-dimensional half-metallic interfaces of two-dimensional honeycomb insulators. Phys. Rev. B 88, 161411 (2013).
19. Dutta, S., Manna, A. K. & Pati, S. K. Intrinsic half-metallicity in modified graphene nanoribbons. Phys. Rev. Lett. 102, 096601 (2009).
20. Castro Neto, A. H., Guinea, F., Peres, N. M. R., Novoselov, K. S. & Geim, A. K. The electronic properties of graphene. Rev. Mod. Phys. 81, 109-162 (2009).
21. Son, Y.-W., Cohen, M. L. & Louie, S. G. Half-metallic graphene nanoribbons. Nature 444, 347-349 (2006).
22. Ritter, K. A. & Lyding, J. W. The influence of edge structure on the electronic properties of graphene quantum dots and nanoribbons. Nat. Mater. 8, 235-242 (2009).
23. Tao, C. et al. Spatially resolving edge states of chiral graphene nanoribbons. Nat. Phys. 7, 616-620 (2011).
24. Merino, P. et al. Sublattice localized electronic states in atomically resolved graphene-Pt(111) edge-boundaries. ACS Nano 8, 3590-3596 (2014).
25. Li, Y. et al. Absence of edge states in covalently bonded zigzag edges of graphene on Ir(111). Adv. Mater. 25, 1967-1972 (2013).
26. Nakagawa, N., Hwang, H. Y. & Muller, D. A. Why some interfaces cannot be sharp. Nat. Mater. 5, 204-209 (2006).
27. Harrison, W. A., Kraut, E. A., Waldrop, J. R. & Grant, R. W. Polar heterojunction interfaces. Phys. Rev. B 18, 4402-4410 (1978).
28. Khomyakov, P. A. et al. First-principles study of the interaction and charge transfer between graphene and metals. Phys. Rev. B 79, 195425 (2009).
29. Tian, J. et al. Graphene induced surface reconstruction of Cu. Nano Lett. 12, 3893-3899 (2012).
30. Gao, L., Guest, J. R. & Guisinger, N. P. Epitaxial graphene on Cu(111). Nano Lett. 10, 3512-3516 (2010).
31. Hwang, B. et al. Electron-beam assisted growth of hexagonal boron-nitride layer. Curr. Appl. Phys. 13, 1365-1369 (2013).
32. Joshi, S. et al. Boron nitride on Cu(111): an electronically corrugated monolayer. Nano Lett. 12, 5821-5828 (2012).
33. Klein, D. J. Graphitic polymer strips with edge states. Chem. Phys. Lett. 217, 261-265 (1994).
34. Heyd, J., Scuseria, G. E. & Ernzerhof, M. Hybrid functionals based on a screened Coulomb potential. J. Chem. Phys. 118, 8207-8215 (2003).
35. Zheng, F. et al. Half metallicity along the edge of zigzag boron nitride nanoribbons. Phys. Rev. B 78, 205415 (2008).
36. Li, Y. & Mazzarello, R. Structural and electronic properties of hybrid graphene and boron nitride nanostructures on Cu. Phys. Rev. B 88, 045317 (2013).
37. Moussa, J. E., Schultz, P. A. & Chelikowsky, J. R. Analysis of the Heyd-Scuseria- Ernzerhof density functional parameter space. J. Chem. Phys. 136, 204117 (2012).