Abstract

Normal-incidence reflectivity data for β′ CuZn has been subjected to a Kramers—Kronig analysis for its optical constants in the spectral region 2 eV ≤hω≤3 eV (4140 Å ≤λ≤ 6200 Å) in order to explain the nature of an observed reflectivity edge at 5000 Å. Extrapolations of the data into the infrared and ultraviolet were made. The frequency dependence of the optical constants indicates a plasma resonance at 2.52 eV (4920 Å), shifted and damped from its classically predicted value by the influence of interband transitions occurring at approximately the same energy. The spectral behavior of the optical constants in this region is not very sensitive to the exact nature of the extrapolation.

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  1. H. Lowery, H. Wilkinson, and D. L. Smare, Proc. Phys. Soc. (London) 49, 345 (1937).
  2. N. F. Mott, Proc. Phys. Soc. (London) 49, 354 (1937).
  3. J. A. Rayne, as reported in The Fermi Surface, edited by W. A. Harrison and M. B. Webb (John Wiley & Sons, Inc., New York, 1960), p. 269.
  4. L. Muldawver, Phys. Rev. 127, 1551 (1962).
  5. F. C. Jahoda, Phys. Rev. 107, 1261 (1957).
  6. H. R. Philipp and E. A. Taft, Phys. Rev. 113, 1002 (1959).
  7. B. Velicky, Czech. J. Phys. B11, 787 (1961).
  8. M. P. Givens, Solid State Phys. 6, 313 (1958).
  9. H. Goldman (private communication).
  10. H. Ehrenreich and H. R. Philipp, Phys. Rev. 128, 1622 (1962).
  11. H. R. Philipp and H. Ehrenreich, Phys. Rev. 129, 1550 (1963).
  12. L. Muldawer (unpublished data).
  13. R. J. Esposito, F. Rothwarf, and J. N. Brown, "A Computer Program for a Kramers-Kronig Transformation of the Optical Reflectivity," Frankford Arsenal M. R. Report.
  14. M. Suffczynski, Phys. Rev. 117, 663 (1960).
  15. W. A. Harrison, Phys. Rev. 118, 1190 (1960).
  16. A. Beck, J. P. Jan, W. B. Pearson, and I. M. Templeton,Phil. Mag. 8, 351 (1963).
  17. 17 H. Fröhlich and H. Pelzer, Proc. Phys. Soc. (London) A68,525 (1955).
  18. P. Nozieres and D. Pines, Phys. Rev. 109, 762 (1958).
  19. P. Nozieres and D. Pines, Phys. Rev. 113, 1254 (1959).
  20. D. Bohm and D. Pines, Phys. Rev. 82, 625 (1951).
  21. In thin film specimens it is possible to excite a surface type of collective oscillation with electromagnetic radiation at the plasma frequency obliquely incident and polarized in the plane of incidence.See R. A. Ferrell and E. A. Stern, Am. J. Phys. 30, 810(1962).
  22. E. A. Taft and H. R. Philipp, Phys. Rev. 121, 1100 (1961).

Beck, A.

A. Beck, J. P. Jan, W. B. Pearson, and I. M. Templeton,Phil. Mag. 8, 351 (1963).

Bohm, D.

D. Bohm and D. Pines, Phys. Rev. 82, 625 (1951).

Brown, J. N.

R. J. Esposito, F. Rothwarf, and J. N. Brown, "A Computer Program for a Kramers-Kronig Transformation of the Optical Reflectivity," Frankford Arsenal M. R. Report.

Ehrenreich, H.

H. Ehrenreich and H. R. Philipp, Phys. Rev. 128, 1622 (1962).

H. R. Philipp and H. Ehrenreich, Phys. Rev. 129, 1550 (1963).

Esposito, R. J.

R. J. Esposito, F. Rothwarf, and J. N. Brown, "A Computer Program for a Kramers-Kronig Transformation of the Optical Reflectivity," Frankford Arsenal M. R. Report.

Ferrell, R. A.

In thin film specimens it is possible to excite a surface type of collective oscillation with electromagnetic radiation at the plasma frequency obliquely incident and polarized in the plane of incidence.See R. A. Ferrell and E. A. Stern, Am. J. Phys. 30, 810(1962).

Fröhlich, H.

17 H. Fröhlich and H. Pelzer, Proc. Phys. Soc. (London) A68,525 (1955).

Givens, M. P.

M. P. Givens, Solid State Phys. 6, 313 (1958).

Goldman, H.

H. Goldman (private communication).

Harrison, W. A.

W. A. Harrison, Phys. Rev. 118, 1190 (1960).

Jahoda, F. C.

F. C. Jahoda, Phys. Rev. 107, 1261 (1957).

Jan, J. P.

A. Beck, J. P. Jan, W. B. Pearson, and I. M. Templeton,Phil. Mag. 8, 351 (1963).

Lowery, H.

H. Lowery, H. Wilkinson, and D. L. Smare, Proc. Phys. Soc. (London) 49, 345 (1937).

Mott, N. F.

N. F. Mott, Proc. Phys. Soc. (London) 49, 354 (1937).

Muldawer, L.

L. Muldawer (unpublished data).

Muldawver, L.

L. Muldawver, Phys. Rev. 127, 1551 (1962).

Nozieres, P.

P. Nozieres and D. Pines, Phys. Rev. 109, 762 (1958).

P. Nozieres and D. Pines, Phys. Rev. 113, 1254 (1959).

Pearson, W. B.

A. Beck, J. P. Jan, W. B. Pearson, and I. M. Templeton,Phil. Mag. 8, 351 (1963).

Pelzer, H.

17 H. Fröhlich and H. Pelzer, Proc. Phys. Soc. (London) A68,525 (1955).

Philipp, H. R.

H. Ehrenreich and H. R. Philipp, Phys. Rev. 128, 1622 (1962).

H. R. Philipp and H. Ehrenreich, Phys. Rev. 129, 1550 (1963).

H. R. Philipp and E. A. Taft, Phys. Rev. 113, 1002 (1959).

E. A. Taft and H. R. Philipp, Phys. Rev. 121, 1100 (1961).

Pines, D.

P. Nozieres and D. Pines, Phys. Rev. 109, 762 (1958).

P. Nozieres and D. Pines, Phys. Rev. 113, 1254 (1959).

D. Bohm and D. Pines, Phys. Rev. 82, 625 (1951).

Rayne, J. A.

J. A. Rayne, as reported in The Fermi Surface, edited by W. A. Harrison and M. B. Webb (John Wiley & Sons, Inc., New York, 1960), p. 269.

Rothwarf, F.

R. J. Esposito, F. Rothwarf, and J. N. Brown, "A Computer Program for a Kramers-Kronig Transformation of the Optical Reflectivity," Frankford Arsenal M. R. Report.

Smare, D. L.

H. Lowery, H. Wilkinson, and D. L. Smare, Proc. Phys. Soc. (London) 49, 345 (1937).

Stern, E. A.

In thin film specimens it is possible to excite a surface type of collective oscillation with electromagnetic radiation at the plasma frequency obliquely incident and polarized in the plane of incidence.See R. A. Ferrell and E. A. Stern, Am. J. Phys. 30, 810(1962).

Suffczynski, M.

M. Suffczynski, Phys. Rev. 117, 663 (1960).

Taft, E. A.

H. R. Philipp and E. A. Taft, Phys. Rev. 113, 1002 (1959).

E. A. Taft and H. R. Philipp, Phys. Rev. 121, 1100 (1961).

Templeton, I. M.

A. Beck, J. P. Jan, W. B. Pearson, and I. M. Templeton,Phil. Mag. 8, 351 (1963).

Velicky, B.

B. Velicky, Czech. J. Phys. B11, 787 (1961).

Wilkinson, H.

H. Lowery, H. Wilkinson, and D. L. Smare, Proc. Phys. Soc. (London) 49, 345 (1937).

Other (22)

H. Lowery, H. Wilkinson, and D. L. Smare, Proc. Phys. Soc. (London) 49, 345 (1937).

N. F. Mott, Proc. Phys. Soc. (London) 49, 354 (1937).

J. A. Rayne, as reported in The Fermi Surface, edited by W. A. Harrison and M. B. Webb (John Wiley & Sons, Inc., New York, 1960), p. 269.

L. Muldawver, Phys. Rev. 127, 1551 (1962).

F. C. Jahoda, Phys. Rev. 107, 1261 (1957).

H. R. Philipp and E. A. Taft, Phys. Rev. 113, 1002 (1959).

B. Velicky, Czech. J. Phys. B11, 787 (1961).

M. P. Givens, Solid State Phys. 6, 313 (1958).

H. Goldman (private communication).

H. Ehrenreich and H. R. Philipp, Phys. Rev. 128, 1622 (1962).

H. R. Philipp and H. Ehrenreich, Phys. Rev. 129, 1550 (1963).

L. Muldawer (unpublished data).

R. J. Esposito, F. Rothwarf, and J. N. Brown, "A Computer Program for a Kramers-Kronig Transformation of the Optical Reflectivity," Frankford Arsenal M. R. Report.

M. Suffczynski, Phys. Rev. 117, 663 (1960).

W. A. Harrison, Phys. Rev. 118, 1190 (1960).

A. Beck, J. P. Jan, W. B. Pearson, and I. M. Templeton,Phil. Mag. 8, 351 (1963).

17 H. Fröhlich and H. Pelzer, Proc. Phys. Soc. (London) A68,525 (1955).

P. Nozieres and D. Pines, Phys. Rev. 109, 762 (1958).

P. Nozieres and D. Pines, Phys. Rev. 113, 1254 (1959).

D. Bohm and D. Pines, Phys. Rev. 82, 625 (1951).

In thin film specimens it is possible to excite a surface type of collective oscillation with electromagnetic radiation at the plasma frequency obliquely incident and polarized in the plane of incidence.See R. A. Ferrell and E. A. Stern, Am. J. Phys. 30, 810(1962).

E. A. Taft and H. R. Philipp, Phys. Rev. 121, 1100 (1961).

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