The European Physical Journal B

, Volume 56, Issue 2, pp 83–91 | Cite as

Josephson current through a ferromagnetic semiconductor/semiconductor/ferromagnetic semiconductor structure

Solids and Liquids

Abstract.

We theoretically calculate the Josephson current for two superconductor/ferromagnetic semiconductor (SC/FS) bilayers separated by a semiconductor (SM) layer. It is found that the critical Josephson current IC in the junction is strongly determined by not only the relative orientations of the effective exchange field \({\bf h}\) of the two bilayers and scattering potential strengths at the interfaces but also the kinds of holes (the heavy or light) in the two FS layers. Furthermore, a robust approach to measuring the spin polarization P for the heavy and light holes is presented.

PACS.

74.50.+r Tunneling phenomena; point contacts, weak links, Josephson effects 74.45.+c Proximity effects; Andreev effect; SN and SNS junctions 75.50.Pp Magnetic semiconductors 

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References

  1. G. Prinz, Phys. Today 48, 58 (1995) Google Scholar
  2. L.J. Sham, J. Phys: Condens. Matter 5, 51 (1993); D.P. DiVincenzo, Science 270, 255 (1995); J. Fabian, S. Das Sarma, Phys. Rev. Lett. 81, 5624 (1998); J. Fabian, S. Das Sarma, J. Vac. Sci. Technol. B 17, 1708 (1999); J. Fabian, S. Das Sarma, J. Appl. Phys. 85, 5705 (1999) CrossRefADSGoogle Scholar
  3. S. Datta, B. Das, Appl. Phys. Lett. 56, 665 (1990) CrossRefADSGoogle Scholar
  4. J.M. Kikkawa, D.D. Awschalom, Phys. Rev. Lett. 80, 4313 (1998); J.M. Kikkawa, D.D. Awschalom, Nature (Lodon) 397, 139 (1999); I. Malajovich, I.J. Berry, N. Samarth, D.D. Awschalom, Nature (London) 411, 770 (2001); D.D. Awschalom, J.M. Kikkawa, Phys. Today 52, 33 (1999) CrossRefADSGoogle Scholar
  5. M. Johnson, Phys. Rev. B 58, 9635 (1998) CrossRefADSGoogle Scholar
  6. H. Ohno, in Semiconductor Spintronics and Quantum Computation, edited by D.D. Awschalom, N. Samarth, D. Loss (Springer, New Yok, 2002), p. 1 Google Scholar
  7. H. Ohno, Science 281 (1991); J. Magn. Magn. Matter. 200, 110 (1999) CrossRefGoogle Scholar
  8. T. Dietl, H. Ohno, F. Matsukura, J. Cibert, D. Ferrand, Science 287, 019 (2000) CrossRefGoogle Scholar
  9. J. Konig, H.-H. Lin, A.H. MacDonald, Phys. Rev. Lett. 84, 5682 (2000); J. Konig, T. Jungwirth, A.H. MacDonald, Phys. Rev. B 64, 184423 (2001) CrossRefGoogle Scholar
  10. K.C. Ku et al., Appl. Phys. Lett. 82, 2302 (2003) CrossRefADSGoogle Scholar
  11. Y.C. Tao, J.G. Hu, H. Liu, J. Appl. Phys. 96, 498 (2004); Y.C. Taon, J.G. Hu, Phys. Rev. B 72, 165329 (2005) CrossRefADSGoogle Scholar
  12. J.G. Braden, J.S. Parker, P. Xiong, Phys. Rev. Lett. 91, 056602 (2003) CrossRefADSGoogle Scholar
  13. A.D. Giddings, M.N. Khalid, T. Jungwirth, J. Wunderlich, S. Yasin, R.P. Campion, K.W. Edmonds, J. Sinova, K. Ito, K.-Y. Wang, D. Williams, B.L. Gallagher, C.T. Foxon, Phys. Rev. Lett. 94, 127202 (2005); M. Tanaka, Y. Higo, Phys. Rev. Lett. 87, 026602 (2001) CrossRefADSGoogle Scholar
  14. B.D. Josephson, Phys. Lett. 1, 251 (1962) MATHCrossRefADSGoogle Scholar
  15. V.V. Ryazanov, V.A. Oboznov, A.Yu. Rusanov, A.V. Veretennikov, A.A. Golubov, J. Aarts, Phys. Rev. Lett. 86, 2427 (2001) CrossRefADSGoogle Scholar
  16. T. Kontos, M. Aprili, J. Lesueur, X. Grison, Phys. Rev. Lett 86, 304 (2001); T. Kontos, M. Aprili, J. Lesueur, F. Gen\(\rm\hat{e}\)t, B. Stephanidis, R. Boursier, Phys. Rev. Lett. 89, 137007 (2002) CrossRefADSGoogle Scholar
  17. O. Bourgeois, P. Gandit, J. Lesueur, A. Sulpice, X. Grison, J. Chaussy, Eur. Phys. J. B 21, 75 (2001) CrossRefADSGoogle Scholar
  18. M. Fogelström, Phys. Rev. B 62, 11812 (2000) CrossRefADSGoogle Scholar
  19. F.S. Bergeret, A.F. Volkov, K.B. Efetov, Phys. Rev. Lett. 86, 3140 (2001); F.S. Bergeret, A.F. Volkov, K.B. Efetov, Phys. Rev. B 65, 134505 (2002); F.S. Betrgert, A.F. Volkov, K.B. Efetov, Rev. Mod. Phys. 77, 1321 (2005) CrossRefADSGoogle Scholar
  20. V.N. Krivoruchko, E.A. Koshina, Phys. Rev. B 64, 172511 (2001) CrossRefADSGoogle Scholar
  21. N.M. Chtchelkatchev, W. Belzig, Yu.V. Nazarov, C. Bruder, Pis'ma Zh. Éksp. Teor. Fiz. 74, 357 (2001) [JETP Lett. 74, 323 (2001)]; M. Zareyan, W. Belzig, Yu.V. Nazarov, Phys. Rev. Lett. 86, 308 (2001) Google Scholar
  22. A.A. Golubov, M.Yu. Kupriyanov, Ya.V. Fominov, Pis'ma Zh. Éksp. Teor. Fiz. 75, 709 (2002) [JETP Lett. 75, 588 (2002)]; A.A. Golubov, M.Yu. Kupriyanov, E. llichev, Rev. Mod. Phys. 76, 411 (2004) Google Scholar
  23. Yu.S. Barash, I.V. Bobkova, T. Kopp, Phys. Rev. B 66, 140503 (2003) CrossRefGoogle Scholar
  24. A.Yu. Zyuzin, B. Spivak, M. Hruška, Europhys. Lett. 62, 97 (2003) CrossRefADSGoogle Scholar
  25. Z. Radović, L. Dobrosavljević-Grujić, B. Vujičić, Phys. Rev. B 63, 214512 (2001); M. Božović, Z. Radović, Phys. Rev. B 66, 134524 (2002); Z. Radović, N. Lazarides, N. Flytzanis, Phys. Rev. B 68, 014501 (2003) CrossRefADSGoogle Scholar
  26. K. Halterman, O.T. Valls, Phys. Rev. B 65, 014509 (2002) CrossRefADSGoogle Scholar
  27. I. Baladie, A. Buzdin, Phys. Rev. B 64, 224514 (2001) CrossRefADSGoogle Scholar
  28. J.S. Jiang, D. Davidović, D.H. Reich, C.L. Chien, Phys. Rev. Lett. 74, 314 (1995); Y. Obi, M. Ikebe, T. Kubo, H. Fujimori, Physica C 317–318, 149 (1999) CrossRefADSGoogle Scholar
  29. A.I. Buzdin, Rev. Mod. Phys. 77, 935 (2005) CrossRefADSGoogle Scholar
  30. W.M. van Huffelen, T.M. Klapwijk, D.R. Heslinga, M.J. de Boer, N. van der Post, Phys. Rev. B 47, 5170 (1993) CrossRefADSGoogle Scholar
  31. A. Furusaki, M. Tsukada, Solid State Commun. 78, 299 (1991) CrossRefGoogle Scholar
  32. T. Hayashi, M. Tanaka, A. Asamitsu, J. Appl. Phys. 87, 4673 (2000) CrossRefADSGoogle Scholar
  33. G.E. Blonder, M. Tinham, T.M. Klapwijk, Phys. Rev. B 25, 4515 (1982) CrossRefADSGoogle Scholar

Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  1. 1.Department of PhysicsNanjing Normal UniversityNanjingP.R. China

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