Topological transport and atomic tunnelling-clustering dynamics for aged Cu-doped Bi2Te3 crystals

Nature Communications

Volumn 5, Issue , 2014, Pages

  Chen, Taishi ^a   Chen, Qian ^b   Schouteden, Koen ^c   Huang, Wenkai ^a   Wang, Xuefeng ^a   Li, Zhe ^c   Miao, Feng ^a   Wang, Xinran ^a   Li, Zhaoguo ^a   Zhao, Bo ^a   Li, Shaochun ^a   Song, Fengqi ^a   Wang, Jinlan ^b   Wang, Baigeng ^a   Van Haesendonck, Chris ^c   Wang, Guanghou ^a  

^a NANJING UNIVERSITY   (China)

^b SOUTHEAST UNIVERSITY   (China)

^c UNIVERSITY OF LEUVEN   (Belgium)

Author keywords

[No Author keywords available]

Indexed keywords

BISMUTH DERIVATIVE; COPPER;

CRYSTAL; ELECTRON; SCANNING TUNNELLING MICROSCOPY; TOPOLOGY;

ARTICLE; CONDUCTANCE; CRYSTAL; MOLECULAR DYNAMICS; OSCILLATION; SCANNING TUNNELING MICROSCOPY; SURFACE PROPERTY;

EID: 84916907012     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms6022     Document Type: Article

References (59)

1. Chen, Y. L. et al. Experimental realization of a three-dimensional topological insulator, Bi2Te3. Science 325, 178-181 (2009).
2. Bardarson, J. H. & Moore, J. E. Quantum interference and Aharonov-Bohm oscillations in topological insulators. Rep. Prog. Phys. 76, 056501 (2013).
3. Hasan, M. Z. & Kane, C. L. Colloquium: Topological insulators. Rev. Mod. Phys. 82, 3045-3067 (2010).
4. Li, Y.-Q., Wu, K.-H., Shi, J.-R. & Xie, X.-C. Electron transport properties of three-dimensional topological insulators. Front. Phys. 7, 165 (2012).
5. Chang, C. Z. et al. Experimental observation of the quantum anomalous Hall effect in a magnetic topological insulator. Science 340, 167-170 (2013).
6. Butch, N. P. et al. Strong surface scattering in ultrahigh-mobility Bi2Se3 topological insulator crystals. Phys. Rev. B 81, 241301R (2010).
7. Taskin, A. A. & Ando, Y. Quantum oscillations in a topological insulator Bi1-xSbx. Phys. Rev. B 80, 085303 (2009).
8. Ren, Z., Taskin, A. A., Sasaki, S., Segawa, K. & Ando, Y. Large bulk resistivity and surface quantum oscillations in the topological insulator Bi2Te2Se. Phys. Rev. B 82, 241306 (2010).
9. Peng, H. L. et al. Aharonov-Bohm interference in topological insulator nanoribbons. Nat. Mater. 9, 225-229 (2010).
10. Qu, D.-X., Hor, Y. S., Xiong, J., Cava, R. J. & Ong, N. P. Quantum oscillations and Hall anomaly of surface states in the topological insulator Bi2Te3. Science 329, 821 (2010).
11. Scanlon, D. O. et al. Controlling bulk conductivity in topological insulators: Key role of anti-site defects. Adv. Mater. 24, 2154-2158 (2012).
12. Steinberg, H., Laloë, J. B., Fatemi, V., Moodera, J. S. & Jarillo-Herrero, P. Electrically tunable surface-to-bulk coherent coupling in topological insulator thin films. Phys. Rev. B 84, 233101 (2011).
13. Li, Z. G. et al. Two-dimensional universal conductance fluctuations and the electron-phonon interaction of surface states in Bi2Te2Se microflakes. Sci. Rep. 2, 595 (2012).
14. Zhang, T. et al. Experimental demonstration of topological surface states protected by time-reversal symmetry. Phys. Rev. Lett. 103, 266803 (2009).
15. Xiong, J. et al. Quantum oscillations in a topological insulator Bi2Te2Se with large bulk resistivity (6Ocm). Phys. E Low Dimens. Syst. Nanostruct. 44, 917-920 (2012).
16. Taskin, A. A., Ren, Z., Sasaki, S., Segawa, K. & Ando, Y. Observation of Dirac holes and electrons in a topological insulator. Phys. Rev. Lett. 107, 016801 (2011).
17. Arakane, T. et al. Tunable Dirac cone in the topological insulator Bi2-xSbxTe3-ySey. Nat. Commun. 3, 636 (2011).
18. Taskin, A., Sasaki, S., Segawa, K. & Ando, Y. Manifestation of topological protection in transport properties of epitaxial Bi2Se3 thin films. Phys. Rev. Lett. 109, 066803 (2012).
19. Cha, J. J. et al. Weak antilocalization in Bi2(SexTe1-x)3 nanoribbons and nanoplates. Nano. Lett. 12, 1107-1111 (2012).
20. Hor, Y. S., Checkelshy, J. G., Qu, D., Ong, N. P. & Cava, R. J. Superconductivity and non-metallicity induced by doping the topological insulators Bi2Se3 and Bi2Te3. J. Phys. Chem. Solids 72, 572-576 (2011).
21. Wang, Z. Y. et al. Tuning carrier type and density in Bi2Se3 by Ca-doping. Appl. Phys. Lett. 97, 042112 (2010).
22. He, X. et al. Surface termination of cleaved Bi2Se3 investigated by low energy ion scattering. Phys. Rev. Lett. 110, 156101 (2013).
23. Lu, H. Z., Shi, J. R. & Shen, S. Q. Competition between weak localization and antilocalization in topological surface states. Phys. Rev. Lett. 107, 076801 (2011).
24. Zhang, J. S. et al. Topology-driven magnetic quantum phase transition in topological insulators. Science 399, 1582-1586 (2013).
25. Garate, I. & Glazman, L. Weak localization and antilocalization in topological insulator thin films with coherent bulk-surface coupling. Phys. Rev. B 86, 035422 (2012).
26. Valdés Aguilar, R. et al. Aging and reduced bulk conductance in thin films of the topological insulator Bi2Se3. J. Appl. Phys. 113, 153702 (2013).
27. Bludskáa, J., Jakubeca, I., Dras?arb, C., Los?t?ákb, P. & Horák, J. Structural defects in Cu-doped Bi2Te3 single crystals. Philos. Mag. 87, 325-335 (2007).
28. Wang, Y. et al. Structural defects and electronic properties of the Cu-doped topological insulator Bi2Se3. Phys. Rev. B 84, 075335 (2011).
29. Maclachilan, J. B., Kruesi, W. H. & Fray, D. J. Intercalation of copper into bismuth telluride. J. Mater. Sci. 27, 4223-4229 (1992).
30. Mann, C. et al. Mapping the 3D surface potential in Bi2Se3. Nat. Commun. 4, 2277 (2013).
31. Hor, Y. S. et al. Superconductivity in CuxBi2Se3 and its implications for pairing in the undoped topological insulator. Phys. Rev. Lett. 104, 057001 (2010).
32. Wray, L. et al. Observation of topological order in a superconducting doped topological insulator. Nat. Phys. 6, 855-859 (2010).
33. Li, Z. J. et al. Single crystal growth and transport properties of Cu-doped topological insulator Bi2Se3. Phys. Procedia 36, 638-643 (2012).
34. Brahlek, M., Koirala, N., Salehi, M., Bansal, N. & Oh, S. Emergence of decoupled surface transport channels in bulk insulating Bi2Se3 thin films. Phys. Rev. Lett. 113, 026801 (2014).
35. He, H. et al. Impurity effect on weak antilocalization in the topological insulator Bi2Te3. Phys. Rev. Lett. 106, 166805 (2011).
36. Matsuo, S. et al. Weak antilocalization and conductance fluctuation in a submicrometer-sized wire of epitaxial Bi2Se3. Phys. Rev. B 85, 075440 (2012).
37. Chen, J. et al. Gate-Voltage control of chemical potential andweak antilocalization in Bi2Se3. Phys. Rev. Lett. 105, 176602 (2010).
38. Imura, K. I., Kuramoto, Y. & Nomura, K. Weak localization properties of the doped Z2 topological insulator. Phys. Rev. B 80, 085119 (2009).
39. Li, Z. G. et al. Two-dimensional universal conductance fluctuations and the electron-phonon interaction of topological surface states in Bi2Te2Se nanoribbons. Sci. Rep. 2, 595 (2012).
40. Lee, J. H., Park, J., Lee, J., Kim, J. S. & Lee, H. Gate-tuned differentiation of surface-conducting states in Bi1.5Sb0.5Te1.7Se1.3 topological-insulator thin crystals. Phys. Rev. B 86, 245321 (2012).
41. Xiong, J., Khoo, Y., Jia, S., Cava, R. J. & Ong, N. P. Tuning the quantum oscillations of surface Dirac electrons in the topological insulator Bi2Te2Se by liquid gating. Phys. Rev. B 88, 035128 (2013).
42. Hikami, S., Larkin, A. I. & Nagaoka, Y. Spin-orbit interaction and mangetoresistance in the two dimensional random system. Prog. Theor. Phys. 63, 707 (1980).
43. Ning, W. et al. One-dimensional weak antilocalization in single-crystal Bi2Te3 nanowires. Sci. Rep. 3, 1564 (2013).
44. Wang, Y. L. et al. Structural defects and electronic properties of Cu doped topological insulator Bi2Se3. Phys. Rev. B 84, 075335 (2011).
45. Song, F. Q. et al. Free-standing graphene by scanning transmission electron microscopy. Ultramicroscopy 110, 1460-1464 (2010).
46. Liu, F., Suenaga, K., Harris, P. J. F. & Iijima, S. Open and closed edges of graphene layers. Phys. Rev. Lett. 102, 015501 (2009).
47. Monkhorst, H. J. & Pack, J. D. Special points for Brillouin-zone integrations. Phys. Rev. B 13, 5188-5192 (1976).
48. Henkelman, G., Uberuaga, B. P. & Jónsson, H. A climbing image nudged elastic band method for finding saddle points and minimum energy paths. J. Chem. Phys. 119, 9901 (2000).
49. Hor, Y. S. et al. Superconductivity in CuxBi2Se3 and its implications for pairing in the undoped topological insulator. Phys. Rev. Lett. 104, 057001 (2010).
50. Ding, Z., Viculis, L., Nakawatase, J. & Kaner, R. B. Intercalation and solution processing of bismuth telluride and bismuth selenide. Adv. Mater. 13, 797-800 (2001).
51. Han, M., Ahn, K., Kim, H. J., Rhyee, J. & Kim, S. Formation of Cu nanoparticles in layered Bi2Te3 and their effect on ZT enhancement. J. Mater. Chem. 21, 11365-11370 (2011).
52. Kondo, T. et al. Anomalous dressing of Dirac fermions in the topological surface state of Bi2Se3, Bi2Te3, and Cu-doped Bi2Se3. Phys. Rev. Lett. 110, 217601 (2013).
53. Aguilar, R. V. et al. Aging and reduced bulk conductance in thin films of the topological insulator Bi2Se3. J. Appl. Phys. 113, 153702 (2013).
54. Park, K., De Beule, C. & Partoens, B. The ageing effect in topological insulators: Evolution of the surface electronic structure of Bi2Se3 upon K adsorption. N. J. Phys. 15, 113031 (2013).
55. Bianchi, M. et al. Coexistence of the topological state and a two-dimensional electron gas on the surface of Bi2Se3. Nat. Commun. 1, 128 (2010).
56. King, P. D. C. et al. Large tunable Rashba spin splitting of a two-dimensional electron gas in Bi2Se3. Phys. Rev. Lett. 107, 096802 (2011).
57. Blochl, P. E. Projector augmented-wave method. Phys. Rev. B 50, 953 (1994).
58. Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865 (1996).
59. Kresse, G. and Hafner, J. Ab initio molecular dynamics for open-shell transition metals. Phys. Rev. B 48, 13115 (1993).