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Electron spin polarization in the photoemission of NEA GaAs1−x P x

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Abstract

Negative electron affinity GaAs1−x P x -photocathodes emit spin-polarized electrons if irradiated with circularly polarized light. The spectra of spin polarization of photoelectrons emitted from crystals with different phosphorus contentx resemble each other in shape but shift to shorter wavelengths with increasingx. Polarization values up to 40% are observed for electrons from crystals withx=0 andx=0.38. Cathodes with higher phosphorus contents increasing fromx=0.65 tox=0.87 and tox = 1.0 deliver photoelectrons with decreasing degrees of spin polarization of 17%, 15%, and 9%, respectively, at maximum.

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References

  1. E.g., J. Keßler:Polarized Electrons (Springer, Berlin, Heidelberg, New York 1976)

    Google Scholar 

  2. E.g., J.K. Kirschner, R. Feder: Phys. Rev. Lett.42, 862 (1979)

    Google Scholar 

  3. G.-C. Wang, B.I. Dunlap, R.J. Celotta, D.T. Pierce: Phys. Rev. Lett.42, 1349 (1979)

    Google Scholar 

  4. E.g., C.Y. Prescott, W.B. Atwood, R.L.A. Cottrell, H. DeStaebler, E.L. Garwin, A. Gomidec, R.H. Miller, L.S. Rochester, T. Sato, D.J. Sherden, C.K. Sinclair, S. Stein, R.E. Taylor, J.E. Clendenin, V.W. Hughes, N. Sasao, K.P. Schüler, M.G. Borghini, K. Lübelsmeyer, W. Jentschke: Phys. Lett.77, 347–352 (1978)

    Google Scholar 

  5. D.T. Pierce, F. Meier, P. Zürcher: Phys. Lett. A51, 465–466 (1975)

    Google Scholar 

  6. D.T. Pierce, F. Meier, P. Zürcher: Appl. Phys. Lett.26, 670–672 (1975)

    Google Scholar 

  7. D.T. Pierce, F. Meier: Phys. Rev. B13, 5484–5500 (1976)

    Google Scholar 

  8. M. Erbudak, B. Reihl: Appl. Phys. Lett.33, 584–585 (1978)

    Google Scholar 

  9. C. Conrath, T. Heindorff, A. Hermanni, N. Ludwig, E. Reichert: Appl. Phys.20, 155–157 (1979)

    Google Scholar 

  10. D.T. Pierce, R.J. Celotta, G.C, Wang, W.M. Unertl, A. Galejs, C.E. Kuyatt, S.R. Mielczarek: Rev. Sci. Instrum.51, 478–499 (1980)

    Google Scholar 

  11. A. G. Thompson, M. Cordona, K.L. Shaklee: Phys. Rev.146, 601–610 (1966)

    Google Scholar 

  12. J.J. Tietjen, J. A. Amik: J. Electrochem. Soc.113, 724–728 (1966)

    Google Scholar 

  13. A. Onton: InFestkörperprobleme, Advances in Solid State Physics, Vol. 13, ed. by H.J. Queisser (Vieweg, Braunschweig 1973)

    Google Scholar 

  14. R.L. Bell, W.E. Spicer: Proc. IEEE58, 1788–1802 (1970)

    Google Scholar 

  15. B.F. Williams, J.J. Tietjen: Proc. IEEE59, 1489–1497 (1971)

    Google Scholar 

  16. R.L. Bell:Negative Electron Affinity Divices (Clarendon, London 1973)

    Google Scholar 

  17. R.N. Martinelli, D.G. Fischer: Proc. IEEE62, 1339–1360 (1974)

    Google Scholar 

  18. W.E. Spicer: Appl. Phys.12, 115–130 (1977)

    Google Scholar 

  19. D. Conrath, T. Heindorff, A. Hermanni, E. Reichert: Verhandl. DPG(IV)13, 603 (1978)

    Google Scholar 

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Authors and Affiliations

  1. Institut für Physik, Johannes-Gutenberg-Universität, D-6500, Mainz, Fed. Rep. Germany

    E. Reichert & K. Zähringer

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  1. E. Reichert
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  2. K. Zähringer
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Reichert, E., Zähringer, K. Electron spin polarization in the photoemission of NEA GaAs1−x P x . Appl. Phys. A 29, 191–193 (1982). https://doi.org/10.1007/BF00615065

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