Abstract

Several crystal phosphors have been irradiated by ultraviolet wavelengths from 500 A to 1700 A. The emission spectra of all were found to be independent of exciting wavelength. The quantum efficiencies of Zn2SiO4:Mn, CaSiO3:Pb:Mn, and ZnO:[Zn], relative to sodium salicylate, increased with decreasing excitation wavelengths below 1000 A. It is suggested that this increase may be accounted for by internally emitted electrons. Several tungstate and titanate phosphors showed minima in their excitation spectra at about 1100 A, with increases for longer or shorter exciting wavelengths. Anomalous results are reported for ZnS:Ag, BaSi2O5:Pb, and Mg6As2O11:Mn.

© 1959 Optical Society of America

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References

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  1. D. H. Thurnau, J. Opt. Soc. Am. 46, 346 (1956).
    [Crossref]
  2. H. W. Leverenz, An Introduction to the Luminescence of Solids (John Wiley & Sons, Inc., New York, 1950), p. 318.
  3. K. Watanabe and E. C. Y. Inn, J. Opt. Soc. Am. 43, 32 (1953).
    [Crossref]
  4. D. H. Thurnau, dissertation, University of Colorado (1955), p. 77.
  5. F. A. Kröger, dissertation, University of Amsterdam (1940).
  6. N. C. Beese, J. Opt. Soc. Am. 29, 278 (1939).
    [Crossref]
  7. F. A. Kröger and W. Hoogenstraten, Physica 14, 425 (1948).
    [Crossref]
  8. C. C. Klick and J. H. Schulman, J. Opt. Soc. Am. 42, 910 (1952).
    [Crossref]
  9. Travniçek, Kröger, Botden, and Zalm, Physica 18, 33 (1952).
    [Crossref]
  10. E. Mollwo and F. Stöckmann, Ann. Physik (6) 3, 240 (1948).
    [Crossref]
  11. F. A. Kröger and H. J. Vink, J. Chem. Phys. 22, 250 (1954).
    [Crossref]
  12. F. A. Kröger, Some Aspects of Luminescence (Elsevier Publishing Company, New York, 1948), Chaps. III and V.
  13. Johnson, Watanabe, and Tousey, J. Opt. Soc. Am. 41, 702 (1951).
    [Crossref]
  14. H. F. Hameka and C. C. Vlam, Physica 19, 943 (1953).
    [Crossref]
  15. C. C. Klick and J. H. Schulman, Phys. Rev. 75, 1606 (1949).
    [Crossref]
  16. A. J. Oszy, J. Electrochem. Soc. 99, 159 (1952).
    [Crossref]
  17. K. H. Butler, J. Opt. Soc. Am. 37, 566 (1947),
    [Crossref] [PubMed]

1956 (1)

1954 (1)

F. A. Kröger and H. J. Vink, J. Chem. Phys. 22, 250 (1954).
[Crossref]

1953 (2)

H. F. Hameka and C. C. Vlam, Physica 19, 943 (1953).
[Crossref]

K. Watanabe and E. C. Y. Inn, J. Opt. Soc. Am. 43, 32 (1953).
[Crossref]

1952 (3)

C. C. Klick and J. H. Schulman, J. Opt. Soc. Am. 42, 910 (1952).
[Crossref]

Travniçek, Kröger, Botden, and Zalm, Physica 18, 33 (1952).
[Crossref]

A. J. Oszy, J. Electrochem. Soc. 99, 159 (1952).
[Crossref]

1951 (1)

1949 (1)

C. C. Klick and J. H. Schulman, Phys. Rev. 75, 1606 (1949).
[Crossref]

1948 (2)

E. Mollwo and F. Stöckmann, Ann. Physik (6) 3, 240 (1948).
[Crossref]

F. A. Kröger and W. Hoogenstraten, Physica 14, 425 (1948).
[Crossref]

1947 (1)

1939 (1)

Beese, N. C.

Botden,

Travniçek, Kröger, Botden, and Zalm, Physica 18, 33 (1952).
[Crossref]

Butler, K. H.

Hameka, H. F.

H. F. Hameka and C. C. Vlam, Physica 19, 943 (1953).
[Crossref]

Hoogenstraten, W.

F. A. Kröger and W. Hoogenstraten, Physica 14, 425 (1948).
[Crossref]

Inn, E. C. Y.

Johnson,

Klick, C. C.

C. C. Klick and J. H. Schulman, J. Opt. Soc. Am. 42, 910 (1952).
[Crossref]

C. C. Klick and J. H. Schulman, Phys. Rev. 75, 1606 (1949).
[Crossref]

Kröger,

Travniçek, Kröger, Botden, and Zalm, Physica 18, 33 (1952).
[Crossref]

Kröger, F. A.

F. A. Kröger and H. J. Vink, J. Chem. Phys. 22, 250 (1954).
[Crossref]

F. A. Kröger and W. Hoogenstraten, Physica 14, 425 (1948).
[Crossref]

F. A. Kröger, dissertation, University of Amsterdam (1940).

F. A. Kröger, Some Aspects of Luminescence (Elsevier Publishing Company, New York, 1948), Chaps. III and V.

Leverenz, H. W.

H. W. Leverenz, An Introduction to the Luminescence of Solids (John Wiley & Sons, Inc., New York, 1950), p. 318.

Mollwo, E.

E. Mollwo and F. Stöckmann, Ann. Physik (6) 3, 240 (1948).
[Crossref]

Oszy, A. J.

A. J. Oszy, J. Electrochem. Soc. 99, 159 (1952).
[Crossref]

Schulman, J. H.

C. C. Klick and J. H. Schulman, J. Opt. Soc. Am. 42, 910 (1952).
[Crossref]

C. C. Klick and J. H. Schulman, Phys. Rev. 75, 1606 (1949).
[Crossref]

Stöckmann, F.

E. Mollwo and F. Stöckmann, Ann. Physik (6) 3, 240 (1948).
[Crossref]

Thurnau, D. H.

D. H. Thurnau, J. Opt. Soc. Am. 46, 346 (1956).
[Crossref]

D. H. Thurnau, dissertation, University of Colorado (1955), p. 77.

Tousey,

Travniçek,

Travniçek, Kröger, Botden, and Zalm, Physica 18, 33 (1952).
[Crossref]

Vink, H. J.

F. A. Kröger and H. J. Vink, J. Chem. Phys. 22, 250 (1954).
[Crossref]

Vlam, C. C.

H. F. Hameka and C. C. Vlam, Physica 19, 943 (1953).
[Crossref]

Watanabe,

Watanabe, K.

Zalm,

Travniçek, Kröger, Botden, and Zalm, Physica 18, 33 (1952).
[Crossref]

Ann. Physik (6) (1)

E. Mollwo and F. Stöckmann, Ann. Physik (6) 3, 240 (1948).
[Crossref]

J. Chem. Phys. (1)

F. A. Kröger and H. J. Vink, J. Chem. Phys. 22, 250 (1954).
[Crossref]

J. Electrochem. Soc. (1)

A. J. Oszy, J. Electrochem. Soc. 99, 159 (1952).
[Crossref]

J. Opt. Soc. Am. (6)

Phys. Rev. (1)

C. C. Klick and J. H. Schulman, Phys. Rev. 75, 1606 (1949).
[Crossref]

Physica (3)

H. F. Hameka and C. C. Vlam, Physica 19, 943 (1953).
[Crossref]

Travniçek, Kröger, Botden, and Zalm, Physica 18, 33 (1952).
[Crossref]

F. A. Kröger and W. Hoogenstraten, Physica 14, 425 (1948).
[Crossref]

Other (4)

D. H. Thurnau, dissertation, University of Colorado (1955), p. 77.

F. A. Kröger, dissertation, University of Amsterdam (1940).

H. W. Leverenz, An Introduction to the Luminescence of Solids (John Wiley & Sons, Inc., New York, 1950), p. 318.

F. A. Kröger, Some Aspects of Luminescence (Elsevier Publishing Company, New York, 1948), Chaps. III and V.

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Figures (8)

F. 1
F. 1

Excitation spectrum of Zn2SiO4:Mn. × denotes data taken with hydrogen arc source; ○ denotes data taken from first-order line of spark source; △ denotes data from second-order line of spark source.

F. 2
F. 2

Excitation spectrum of CaSiO3:Pb:Mn. Refer to Fig. 1 for key to symbols.

F. 3
F. 3

Excitation spectrum of ZnO:Zn. Refer to Fig. 1 for key to symbols.

F. 4
F. 4

Excitation spectrum of CaWO4. Refer to Fig. 1 for key to symbols.

F. 5
F. 5

Excitation spectrum of CaMgSiO3:Ti. Refer to Fig. 1 for key to symbols.

F. 6
F. 6

Suggested energy-level vs configuration coordinate diagram for CaWO4:Pb.

F. 7
F. 7

Excitation spectrum of BaSi2O5:Pb. Refer to Fig. 1 for key to symbols.

F. 8
F. 8

Excitation spectrum of ZnS:Ag. Data taken with spark source.

Tables (1)

Tables Icon

Table 1 Emission spectra of phosphors studied.