Temperature dependence of the "0.7" 2e2/h quasi-plateau in strongly confined quantum point contacts

Physica B: Condensed Matter

Volumn 249-251, Issue , 1998, Pages 180-184

  Kristensen, A ^a   Lindelof, P E ^a   Bo Jensen, J ^a   Zaffalon, M ^a   Hollingbery, J ^a   Pedersen, S W ^a   Nygard J ^a   Bruus, H ^a   Reimann, S M ^a   Sorensen C B ^a   Michel, M ^b   Forchel, A ^b  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b UNIVERSITY OF WÜRZBURG   (Germany)

Author keywords

Plasmon scattering; Quantized conductance; Quantum point contacts

Indexed keywords

ELECTRON SCATTERING; ETCHING; HETEROJUNCTIONS; SEMICONDUCTING ALUMINUM COMPOUNDS; SEMICONDUCTING GALLIUM ARSENIDE; THERMAL EFFECTS;

PLASMON SCATTERING;

POINT CONTACTS;

EID: 0032094433     PISSN: 09214526     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0921-4526(98)00094-5     Document Type: Article

References (15)

1. S. Tarucha, T. Honda, T. Saku, Solid State Commun. 94 (1995) 413.
2. A. Yacoby, H.L. Stormer, N.S. Wingreen, L.N. Pfeiffer, K.W. Baldwin, K.W. West, Phys. Rev. Lett. 77 (1996) 4612.
3. K.J. Thomas, M.Y. Simmons, J.T. Nicholls, D.R. Mace, M. Pepper, D.A. Ritchie, Appl. Phys. Lett. 67 (1995) 109.
4. C.L. Kane, M.P.A. Fisher, Phys. Rev. B 46 (1992) 15233.
5. A. Kawabarta, J. Phys. Soc. Japan 65 (1996) 30.
6. A. Shimizu, J. Phys. Soc. Japan 65 (1996) 1162.
7. Y. Oreg, A.M. Finkelstein, Phys. Rev. B 54 (1996) 14265.
8. D. Schmeltzer, E. Kogan, R. Berkovits, M. Kaveh, cond-mat/9704245 (1997).
9. A. Kristensen, J. Bo Jensen, M. Zaffalon, C.B. Sørensen, S.M. Reimann, P.E. Lindelof, M. Michel, A. Forchel, J. Appl. Phys. 83 (1998) 607.
10. H.A. Fertig, B.I. Halperin, Phys. Rev. B 36 (1987) 7969.
11. M. Büttiker, Phys. Rev. B 41 (1990) 7906.
12. The most sharply defined QPCs so far reported are in the articles: K. Ismail, S. Washburn, K.Y. Lee, Appl. Phys. Lett. 59 1998 (1991); H. Okada, T. Hashizume, K. Jinushi, T. Kudoh, H. Hasegawa, Proc. Int. Conf. Phys. Semiconductors, Berlin 1996, World Scientific, Singapore, 1996, pp. 1237-1240, but the authors of these articles do not attempt to extract the subband splitting.
13. The most sharply defined QPCs so far reported are in the articles: K. Ismail, S. Washburn, K.Y. Lee, Appl. Phys. Lett. 59 1998 (1991); H. Okada, T. Hashizume, K. Jinushi, T. Kudoh, H. Hasegawa, Proc. Int. Conf. Phys. Semiconductors, Berlin 1996, World Scientific, Singapore, 1996, pp. 1237-1240, but the authors of these articles do not attempt to extract the subband splitting.
14. R. Taboryski, A. Kristensen, C.B. Sørensen, P.E. Lindelof, Phys. Rev. B 51 (1995) 2282.
15. K.J. Thomas, J.T. Nicholls, M.Y. Simmons, M. Pepper, D.R. Mace, D.A. Ritchie, Phys. Rev. Lett. 77 (1996) 135.