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Conductance quantization and the 0.7×2e2/h conductance anomaly in one-dimensional hole systems

Appl. Phys. Lett. 88, 012107 (2006); doi:10.1063/1.2161814

Published 5 January 2006

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R. Danneau, W. R. Clarke, O. Klochan, A. P. Micolich, A. R. Hamilton, and M. Y. Simmons
School of Physics, University of New South Wales, Sydney NSW 2052, Australia

M. Pepper and D. A. Ritchie
Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom
We have studied ballistic transport in a one-dimensional (1D) channel formed using surface gate techniques on a back-gated, high-mobility, bilayer two-dimensional hole system. At millikelvin temperatures, robust conductance quantization is observed in the quantum wire formed in the top layer of the bilayer system, without the gate instabilities that have hampered previous studies of 1D hole systems. Using source drain bias spectroscopy, we have measured the 1D subband spacings, which are 5–10 times smaller than in comparable GaAs electron systems, but 2–3 times larger than in previous studies of 1D holes. We also report the first observation of the anomalous conductance plateau at G=0.7×2e2/h in a 1D hole system. ©2006 American Institute of Physics
History: Received 8 July 2005; accepted 2 December 2005; published 5 January 2006
Permalink: http://link.aip.org/link/?APPLAB/88/012107/1
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KEYWORDS and PACS

Keywords
PACS
  • 73.21.Hb
    Quantum wires (electron states/collective excitations)
  • 73.63.Nm
    Quantum wires (electronic transport)
  • 81.07.Vb
    Quantum wires: fabrication and characterization
  • 72.15.Nj
    Collective modes (e.g., in one-dimensional conductors) including synthetic metals
  • 73.23.Ad
    Ballistic transport (mesoscopic systems)
  • 73.20.At
    Surface states, band structure, electron density of states
  • YEAR: 2006

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ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (20)
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  1. C. W. J. Beenakker and H. van Houten, Solid State Phys. 44, 1 (1991).
  2. B. J. van Wees, H. van Houten, C. W. J. Beenakker, J. G. Williamson, L. P. Kouwenhoven, D. van der Marel, and C. T. Foxon, Phys. Rev. Lett. 60, 848 (1988);
    3. D. A. Wharam, T. J. Thorton, R. Newbury, M. Pepper, H. Ahmed, J. E. F. Frost, D. G. Hasko, D. C. Peacock, D. A. Ritchie, and G. A. C. Jones, J. Phys. C 21, L209 (1988).
  3. K. J. Thomas, J. T. Nicholls, M. Y. Simmons, M. Pepper, D. R. Mace, and D. A. Ritchie, Phys. Rev. Lett. 77, 135 (1996).
  4. A. Kristensen, H. Bruus, A. E. Hansen, J. B. Jensen, P. E. Lindelof, C. J. Marckman, J. Nygård, C. B. Sørensen, F. Beusher, A. Forchel, and M. Michel, Phys. Rev. B 62, 10950 (2000).
  5. S. M. Cronenwett, H. J. Lynch, D. Goldhaber-Gordon, L. P. Kouwenhoven, C. M. Marcus, K. Hirose, N. S. Wingreen, and V. Urmansky, Phys. Rev. Lett. 88, 226805 (2002).
  6. D. J. Reilly, T. M. Buehler, J. L. O'Brien, A. R. Hamilton, A. S. Dzurak, R. G. Clark, B. E. Kane, L. N. Pfeiffer, and K. W. West, Phys. Rev. Lett. 89, 246801 (2002).
  7. A. C. Graham, K. J. Thomas, M. Pepper, N. R. Cooper, M. Y. Simmons, and D. A. Ritchie, Phys. Rev. Lett. 91, 136404 (2003).
  8. R. de Picciotto, L. N. Pfeiffer, K. W. Baldwin, and K. W. West, Phys. Rev. Lett. 92, 036805 (2004).
  9. P. Roche, J. Ségala, D. C. Glattli, J. T. Nicholls, M. Pepper, A. C. Graham, K. J. Thomas, M. Y. Simmons, and D. A. Ritchie, Phys. Rev. Lett. 93, 116602 (2004).
  10. R. Winkler, Spin-Orbit Coupling Effects in Two-Dimensional Electron and Hole Systems (Springer, Berlin, 2003).
  11. M. Governale and U. Zülicke, J. Supercond. 16, 257 (2003).
  12. I. Zailer, J. E. F. Frost, C. J. B. Ford, M. Pepper, M. Y. Simmons, D. A. Ritchie, J. T. Nicholls, and G. A. C. Jones, Phys. Rev. B 49, 5101 (1994).
  13. A. J. Daneshvar, C. J. B. Ford, A. R. Hamilton, M. Y. Simmons, M. Pepper, and D. A. Ritchie, Phys. Rev. B 55, R13409 (1997).
  14. L. P. Rokhinson, D. C. Tsui, L. N. Pfeiffer, and K. W. West, Superlattices Microstruct. 32, 99 (2002).
  15. M. Y. Simmons, A. R. Hamilton, S. J. Stevens, D. A. Ritchie, M. Pepper, and A. Kurobe, Appl. Phys. Lett. 70, 2750 (1997).
  16. I. M. Castleton, A. G. Davies, A. R. Hamilton, J. E. F. Frost, M. Y. Simmons, D. A. Ritchie, and M. Pepper, Physica B 249–251, 157 (1998).
  17. K. J. Thomas, J. T. Nicholls, M. Y. Simmons, W. R. Tribe, A. G. Davies, and M. Pepper, Phys. Rev. B 59, 12252 (1999).
  18. L. Glazman and A. Khaetskii, Europhys. Lett. 9, 263 (1989).
  19. N. K. Patel, J. T. Nicholls, L. Martin-Moreno, M. Pepper, J. E. F. Frost, D. A. Ritchie, and G. A. C. Jones, Phys. Rev. B 44, 13549 (1991).
  20. K. J. Thomas, M. Y. Simmons, J. T. Nicholls, D. R. Mace, M. Pepper, and D. A. Ritchie, Appl. Phys. Lett. 67, 109 (1995).

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