Abstract

Optical properties of a silver-island film are interpreted by taking account of retarded dipole-dipole interactions between island particles instead of the static-field interaction. The discrepancies between the values of the structural parameters evaluated from electron micrographs and those evaluated optically with the assumption of the static-field dipole-dipole interaction can be thus interpreted. The retarded dipole-dipole interactions as well as the size effect also broaden the width of the plasma-resonance absorption peaks.

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  1. T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 18, 63 (1973).
  2. T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 21, 173 (1974).
  3. T. Yamaguchi and A. Kinbara, Sixth International Vacuum Congress, Kyoto, March 1974.
  4. J. Vlieger, Physica 64, 63 (1973).
  5. D. C. Skillman, J. Opt. Soc. Am. 61, 1264 (1971).
  6. G. B. Irani, T. Huen, and F. Wooten, J. Opt. Soc. Am. 61, 128 (1971).
  7. Equations (17) and (18) shows that, when F+g=0, the imaginary parts of the left-hand sides of the equations become maximum values. On the other hand, the approximate expressions of T0 and Tp of an anisotropic film include Im (∊11) and Im(∊11)+ Im(1/∊1), respectively, in their denominators. Because the bulk dielectric constant of the particle can be used as ∊i in Eq. (21), g is known as a function of the wavelength of light λ. Therefore, if we measure T0 and Tp as functions of λ, we can determine the values of F from the observed dip wavelength of the transmittance spectra. Detailed descriptions are given in Refs. 1 and 2.
  8. Recently, Vlieger and his co-worker proposed an improved theory in Physica 73, 287 (1974).

Huen, T.

G. B. Irani, T. Huen, and F. Wooten, J. Opt. Soc. Am. 61, 128 (1971).

Irani, G. B.

G. B. Irani, T. Huen, and F. Wooten, J. Opt. Soc. Am. 61, 128 (1971).

Kinbara, A.

T. Yamaguchi and A. Kinbara, Sixth International Vacuum Congress, Kyoto, March 1974.

T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 18, 63 (1973).

T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 21, 173 (1974).

Skillman, D. C.

D. C. Skillman, J. Opt. Soc. Am. 61, 1264 (1971).

Vlieger, J.

J. Vlieger, Physica 64, 63 (1973).

Wooten, F.

G. B. Irani, T. Huen, and F. Wooten, J. Opt. Soc. Am. 61, 128 (1971).

Yamaguchi, T.

T. Yamaguchi and A. Kinbara, Sixth International Vacuum Congress, Kyoto, March 1974.

T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 21, 173 (1974).

T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 18, 63 (1973).

Yoshida, S.

T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 18, 63 (1973).

T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 21, 173 (1974).

Other (8)

T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 18, 63 (1973).

T. Yamaguchi, S. Yoshida, and A. Kinbara, Thin Solid Films 21, 173 (1974).

T. Yamaguchi and A. Kinbara, Sixth International Vacuum Congress, Kyoto, March 1974.

J. Vlieger, Physica 64, 63 (1973).

D. C. Skillman, J. Opt. Soc. Am. 61, 1264 (1971).

G. B. Irani, T. Huen, and F. Wooten, J. Opt. Soc. Am. 61, 128 (1971).

Equations (17) and (18) shows that, when F+g=0, the imaginary parts of the left-hand sides of the equations become maximum values. On the other hand, the approximate expressions of T0 and Tp of an anisotropic film include Im (∊11) and Im(∊11)+ Im(1/∊1), respectively, in their denominators. Because the bulk dielectric constant of the particle can be used as ∊i in Eq. (21), g is known as a function of the wavelength of light λ. Therefore, if we measure T0 and Tp as functions of λ, we can determine the values of F from the observed dip wavelength of the transmittance spectra. Detailed descriptions are given in Refs. 1 and 2.

Recently, Vlieger and his co-worker proposed an improved theory in Physica 73, 287 (1974).

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