Abstract

Photoluminescence spectra from the high-Tc superconductor YBa2Cu3O7−x, the semiconductor GaAs, and GaP under intense picosecond laser excitation were studied with their surfaces exposed to different alkali solutions. Strong absorption of D lines of neutral-alkali atoms was observed in these spectra. These absorption lines indicate that free ground-state alkali atoms were formed by recombination of the sublimated alkali ions with photoelectrons through various processes.

© 1989 Optical Society of America

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References

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  1. T. Forster, Ann. Phys. 2, 55 (1948);Z. Naturforsch. 4a, 321 (1949).
    [CrossRef]
  2. D. L. Dexter, J. Chem. Phys. 21, 836 (1953).
    [CrossRef]
  3. M. Inokuti, F. Hirayama, J. Chem. Phys. 43, 1978 (1965).
    [CrossRef]
  4. A. Z. Zaidel', V. K. Prokof'ev, S. M. Raiskii, V. A. Slavnyi, E. Ya. Shreider, Tables of Spectral Lines (Plenum, New York, 1970), pp. 62–66.
  5. Z. A. Rotenberg, Yu. Ya. Gurevich, J. Electroanal. Chem. 66, 165 (1975).
    [CrossRef]
  6. K. M. Yoo, R. R. Alfano, X. Guo, M. P. Sarachik, L. L. Isaacs, Appl. Phys. Lett. 54, 1278 (1989).
    [CrossRef]
  7. Th. Telser, U. Schindewolf, J. Phys. Chem. 90, 5378 (1986).
    [CrossRef]
  8. D. Meisel, G. Czapski, M. S. Matheson, W. A. Mulac, Int. J. Radiat. Chem. 7, 233 (1975).
    [CrossRef]
  9. R. K. Wolff, M. J. Bronskill, J. Chem. Phys. 53, 4211 (1970).
    [CrossRef]
  10. M. J. Bronskill, R. K. Wolff, J. W. Hunt, J. Chem. Phys. 53, 4201 (1970).
    [CrossRef]

1989 (1)

K. M. Yoo, R. R. Alfano, X. Guo, M. P. Sarachik, L. L. Isaacs, Appl. Phys. Lett. 54, 1278 (1989).
[CrossRef]

1986 (1)

Th. Telser, U. Schindewolf, J. Phys. Chem. 90, 5378 (1986).
[CrossRef]

1975 (2)

D. Meisel, G. Czapski, M. S. Matheson, W. A. Mulac, Int. J. Radiat. Chem. 7, 233 (1975).
[CrossRef]

Z. A. Rotenberg, Yu. Ya. Gurevich, J. Electroanal. Chem. 66, 165 (1975).
[CrossRef]

1970 (2)

R. K. Wolff, M. J. Bronskill, J. Chem. Phys. 53, 4211 (1970).
[CrossRef]

M. J. Bronskill, R. K. Wolff, J. W. Hunt, J. Chem. Phys. 53, 4201 (1970).
[CrossRef]

1965 (1)

M. Inokuti, F. Hirayama, J. Chem. Phys. 43, 1978 (1965).
[CrossRef]

1953 (1)

D. L. Dexter, J. Chem. Phys. 21, 836 (1953).
[CrossRef]

1948 (1)

T. Forster, Ann. Phys. 2, 55 (1948);Z. Naturforsch. 4a, 321 (1949).
[CrossRef]

Alfano, R. R.

K. M. Yoo, R. R. Alfano, X. Guo, M. P. Sarachik, L. L. Isaacs, Appl. Phys. Lett. 54, 1278 (1989).
[CrossRef]

Bronskill, M. J.

R. K. Wolff, M. J. Bronskill, J. Chem. Phys. 53, 4211 (1970).
[CrossRef]

M. J. Bronskill, R. K. Wolff, J. W. Hunt, J. Chem. Phys. 53, 4201 (1970).
[CrossRef]

Czapski, G.

D. Meisel, G. Czapski, M. S. Matheson, W. A. Mulac, Int. J. Radiat. Chem. 7, 233 (1975).
[CrossRef]

Dexter, D. L.

D. L. Dexter, J. Chem. Phys. 21, 836 (1953).
[CrossRef]

Forster, T.

T. Forster, Ann. Phys. 2, 55 (1948);Z. Naturforsch. 4a, 321 (1949).
[CrossRef]

Guo, X.

K. M. Yoo, R. R. Alfano, X. Guo, M. P. Sarachik, L. L. Isaacs, Appl. Phys. Lett. 54, 1278 (1989).
[CrossRef]

Gurevich, Yu. Ya.

Z. A. Rotenberg, Yu. Ya. Gurevich, J. Electroanal. Chem. 66, 165 (1975).
[CrossRef]

Hirayama, F.

M. Inokuti, F. Hirayama, J. Chem. Phys. 43, 1978 (1965).
[CrossRef]

Hunt, J. W.

M. J. Bronskill, R. K. Wolff, J. W. Hunt, J. Chem. Phys. 53, 4201 (1970).
[CrossRef]

Inokuti, M.

M. Inokuti, F. Hirayama, J. Chem. Phys. 43, 1978 (1965).
[CrossRef]

Isaacs, L. L.

K. M. Yoo, R. R. Alfano, X. Guo, M. P. Sarachik, L. L. Isaacs, Appl. Phys. Lett. 54, 1278 (1989).
[CrossRef]

Matheson, M. S.

D. Meisel, G. Czapski, M. S. Matheson, W. A. Mulac, Int. J. Radiat. Chem. 7, 233 (1975).
[CrossRef]

Meisel, D.

D. Meisel, G. Czapski, M. S. Matheson, W. A. Mulac, Int. J. Radiat. Chem. 7, 233 (1975).
[CrossRef]

Mulac, W. A.

D. Meisel, G. Czapski, M. S. Matheson, W. A. Mulac, Int. J. Radiat. Chem. 7, 233 (1975).
[CrossRef]

Prokof'ev, V. K.

A. Z. Zaidel', V. K. Prokof'ev, S. M. Raiskii, V. A. Slavnyi, E. Ya. Shreider, Tables of Spectral Lines (Plenum, New York, 1970), pp. 62–66.

Raiskii, S. M.

A. Z. Zaidel', V. K. Prokof'ev, S. M. Raiskii, V. A. Slavnyi, E. Ya. Shreider, Tables of Spectral Lines (Plenum, New York, 1970), pp. 62–66.

Rotenberg, Z. A.

Z. A. Rotenberg, Yu. Ya. Gurevich, J. Electroanal. Chem. 66, 165 (1975).
[CrossRef]

Sarachik, M. P.

K. M. Yoo, R. R. Alfano, X. Guo, M. P. Sarachik, L. L. Isaacs, Appl. Phys. Lett. 54, 1278 (1989).
[CrossRef]

Schindewolf, U.

Th. Telser, U. Schindewolf, J. Phys. Chem. 90, 5378 (1986).
[CrossRef]

Shreider, E. Ya.

A. Z. Zaidel', V. K. Prokof'ev, S. M. Raiskii, V. A. Slavnyi, E. Ya. Shreider, Tables of Spectral Lines (Plenum, New York, 1970), pp. 62–66.

Slavnyi, V. A.

A. Z. Zaidel', V. K. Prokof'ev, S. M. Raiskii, V. A. Slavnyi, E. Ya. Shreider, Tables of Spectral Lines (Plenum, New York, 1970), pp. 62–66.

Telser, Th.

Th. Telser, U. Schindewolf, J. Phys. Chem. 90, 5378 (1986).
[CrossRef]

Wolff, R. K.

R. K. Wolff, M. J. Bronskill, J. Chem. Phys. 53, 4211 (1970).
[CrossRef]

M. J. Bronskill, R. K. Wolff, J. W. Hunt, J. Chem. Phys. 53, 4201 (1970).
[CrossRef]

Yoo, K. M.

K. M. Yoo, R. R. Alfano, X. Guo, M. P. Sarachik, L. L. Isaacs, Appl. Phys. Lett. 54, 1278 (1989).
[CrossRef]

Zaidel', A. Z.

A. Z. Zaidel', V. K. Prokof'ev, S. M. Raiskii, V. A. Slavnyi, E. Ya. Shreider, Tables of Spectral Lines (Plenum, New York, 1970), pp. 62–66.

Ann. Phys. (1)

T. Forster, Ann. Phys. 2, 55 (1948);Z. Naturforsch. 4a, 321 (1949).
[CrossRef]

Appl. Phys. Lett. (1)

K. M. Yoo, R. R. Alfano, X. Guo, M. P. Sarachik, L. L. Isaacs, Appl. Phys. Lett. 54, 1278 (1989).
[CrossRef]

Int. J. Radiat. Chem. (1)

D. Meisel, G. Czapski, M. S. Matheson, W. A. Mulac, Int. J. Radiat. Chem. 7, 233 (1975).
[CrossRef]

J. Chem. Phys. (4)

R. K. Wolff, M. J. Bronskill, J. Chem. Phys. 53, 4211 (1970).
[CrossRef]

M. J. Bronskill, R. K. Wolff, J. W. Hunt, J. Chem. Phys. 53, 4201 (1970).
[CrossRef]

D. L. Dexter, J. Chem. Phys. 21, 836 (1953).
[CrossRef]

M. Inokuti, F. Hirayama, J. Chem. Phys. 43, 1978 (1965).
[CrossRef]

J. Electroanal. Chem. (1)

Z. A. Rotenberg, Yu. Ya. Gurevich, J. Electroanal. Chem. 66, 165 (1975).
[CrossRef]

J. Phys. Chem. (1)

Th. Telser, U. Schindewolf, J. Phys. Chem. 90, 5378 (1986).
[CrossRef]

Other (1)

A. Z. Zaidel', V. K. Prokof'ev, S. M. Raiskii, V. A. Slavnyi, E. Ya. Shreider, Tables of Spectral Lines (Plenum, New York, 1970), pp. 62–66.

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Figures (4)

Fig. 1
Fig. 1

Schematic of the experimental setup. Spec, spectrograph; OMA, optical multichannel analyzer.

Fig. 2
Fig. 2

Photoluminescence spectra of YBa2Cu3O7−x under pulse excitation with its surface exposed to air (solid curve) and to a thin film of Na+-ion solution (dotted curve). Both curves are normalized to the same high continuum emission.

Fig. 3
Fig. 3

Photoluminescence spectra of YBa2Cu3O7−x under pulse excitation with its surface covered by a thin film of deionized water (solid curve) and a thin film of K+-ion solution (dotted curve).

Fig. 4
Fig. 4

Photoluminescence from GaAs (contaminated with Na+) under intense picosecond-laser irradiation with the surface exposed to three different surface environments: air (solid curve), Vycol glass (dotted curve), and pressure from Vycol glass (dashed curve).

Equations (1)

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e + M + M 0 ,

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