The possibility of an intrinsic spin lattice in high-mobility semiconductor heterostructures

Nature Physics

Volumn 3, Issue 5, 2007, Pages 315-318

  Siegert, Christoph ^a   Ghosh, Arindam ^a,b   Pepper, Michael ^a   Farrer, Ian ^a   Ritchie, David A ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b INDIAN INSTITUTE OF SCIENCE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

GALLIUM ARSENIDE; III-V SEMICONDUCTORS; MAGNETIC MOMENTS; SEMICONDUCTOR DOPING; SEMICONDUCTOR QUANTUM DOTS;

EXPERIMENTAL EVIDENCE; GAAS/ALGAAS HETEROSTRUCTURES; HIGH-MOBILITY SEMICONDUCTORS; LOW-DIMENSIONAL ELECTRON SYSTEM; REGULAR DISTRIBUTION; RUDERMAN-KITTEL-KASUYA-YOSIDA; SEMICONDUCTOR HETEROSTRUCTURES; TWO-DIMENSIONAL ELECTRON SYSTEM;

HETEROJUNCTIONS;

EID: 34247867885     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys559     Document Type: Article

References (28)

1. Goldhaber-Gordon, D. et al. Kondo effect in a single-electron transistor. Nature 391, 156-159 (1998).
2. Cronenwett, S. M., Oosterkamp, T. H. & Kouwenhoven, L. P. A tunable Kondo effect in quantum dots. Science 281, 540-544 (1998).
3. Jeong, H., Chang, A. M. & Melloch, M. R. The Kondo effect in an artificial quantum dot molecule. Science 293, 2221-2223 (2001).
4. Craig, N. J. et al. Tunable nonlocal spin control in a coupled-quantum dot system. Science 304, 565-567 (2004).
5. Schrieffer, J. R. & Wolff, P. A. Relation between the Anderson and Kondo hamiltonians. Phys. Rev. 149, 491-492 (1966).
6. Wolf, E. L. & Losee, D. L. Spectroscopy of Kondo and spin-flip scattering: High-field tunneling studies of Schottky-Barrier junctions. Phys. Rev. B 2, 3660-3687 (1970).
7. Cronenwett, S. M. et al. Low-temperature fate of the 0.7 structure in a point contact: A Kondo-like correlated state in an open system. Phys. Rev. Lett. 88, 226805 (2002).
8. Ghosh, A., Ford, C. J. B., Pepper, M., Beere, H. E. & Ritchie, D. A. Possible evidence of a spontaneous spin polarization in mesoscopic two-dimensional electron systems. Phys. Rev. Lett. 92, 116601 (2004).
9. Ghosh, A. et al. Zero-bias anomaly and kondo-assisted quasiballistic 2D transport. Phys. Rev. Lett. 95, 066603 (2005).
10. Jayaprakash, C., Krishnamurthy, H. R. & Wilkins, J. W. Two-impurity Kondo problem. Phys. Rev. Lett. 47, 737-740 (1981).
11. Affleck, I. & Ludwig, A. W. W. Exact critical theory of the two-impurity Kondo model. Phys. Rev. Lett. 68, 1046-1049 (1992).
12. Pasupathy, A. N. et al. The Kondo effect in the presence of ferromagnetism. Science 306, 86-89 (2004).
13. Heersche, H. B. et al. Kondo effect in the presence of magnetic impurities. Phys. Rev. Lett. 96, 017205 (2006).
14. Nygard, J., Cobden, D. H. & Lindelof, P. E. Kondo physics in carbon nanotubes. Nature 408, 342-346 (2000).
15. Thornton, T. J., Pepper, M., Ahmed, H., Davies, G. J. & Andrews, D. Universal conductance fluctuations and electron coherence lengths in a narrow two-dimensional electron gas. Phys. Rev. B 36, 4514-4517 (1987).
16. Schuster, R., Ensslin, K., Wharam, D., Kühn, S. & Kotthaus, J. P. Phase-coherent electrons in a finite antidot lattice. Phys. Rev. B 49, 8510-8513 (1994).
17. Weiss, D. et al. Quantized periodic orbits in large antidot arrays. Phys. Rev. Lett. 70, 4118-4121 (1993).
18. Weiss, D. et al. Electron pinball and commensurate orbits in a periodic array of scatterers. Phys. Rev. Lett. 66, 2790-2793 (1991).
19. Hirsch, M. J., Holcomb, D. F., Bhatt, R. N. & Paalanen, M. A. ESR studies of compensated Si:P,B near the metal-insulator transition. Phys. Rev. Lett. 68, 1418-1421 (1992).
20. Roche, S. & Mayou, D. Formalism for the computation of the RKKY interaction in aperiodic systems. Phys. Rev. B 60, 322-328 (1999).
21. Béal-Monod, M. T. Ruderman-Kittel-Kasuya-Yosida indirect interaction in two dimensions. Phys. Rev. B 36, 8835-8836 (1987).
22. Efros, A. L., Pikus, F. G. & Samsonidze, G. G. Maximum low-temperature mobility of two-dimensional electrons in heterojunctions with thick spacer layer. Phys. Rev. B 41, 8295-8301 (1990).
23. Buks, E., Heiblum, M. & Shtrikman, H. Correlated charged donors and strong mobility enhancement in a two-dimensional electron gas. Phys. Rev. B 49, 14790-14793 (1994).
24. Grill, R. & Döhler, G. H. Effect of charged donor correlation and Wigner liquid formation on the transport properties of a two-dimensional electron gas in modulation δ-doped heterojunctions. Phys. Rev. B 59, 10769-10777 (1999).
25. Finkelstein, G., Glicofridis, P. I., Ashoori, R. C. & Shayegan, M. Topographic mapping of the quantum Hall liquid using a few-electron bubble. Science 289, 90-94 (2000).
26. Graham, A. C., Pepper, M., Simmons, M. Y. & Ritchie, D. A. Anomalous spin-dependent behavior of one-dimensional subbands. Phys. Rev. B 72, 193305 (2005).
27. Berggren, K.-F., Jaksch, P. & Yakimenko, I. Effects of electron interactions at crossings of Zeeman-split subbands in quantum wires. Phys. Rev. B 71, 115303 (2005).
28. Meir, Y. Percolation-type description of the metal-insulator transition in two dimensions. Phys. Rev. Lett. 83, 3506-3509 (1999).