Abstract

Ag-MgF_(2) composite films with different Ag fractions were prepared through a co-evaporation method. Microstructure analysis shows that the films are composed of amorphous MgF_(2) matrix and embedded fcc-Ag nanoparticles. The optical constants and their dispersion of the films, within the wavelength range of 250-650 nm, were measured by reflecting spectroscopic ellipsometry. The maximum of the imaginary part ?' of the complex dielectric permittivity attributing to the surface plasmon resonance polarization of the Ag nanoparticles in an Ag-MgF_(2) film, and the tangent of the phase-shift angle ? resulting from the dielectric loss of the film, occur at ?=435 nm and ?=420 nm, respectively. Based on Maxwell-Garnett effective medium theory, the experimentally observed dispersion spectra were reasonably described.

© 2005 Chinese Optics Letters

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2003 (2)

S. H. Shi, Z. L. Cao, and Z. Q. Sun, Chin. Opt. Lett. 1, 305 (2003).

Z. Q. Sun, D. M. Sun, and T. N. Ruan, Vacuum 68, 155 (2003).

2002 (1)

S. H. Shi, Z. Q. Sun, and D. M. Sun, Acta Opt. Sin. (in Chinese) 22, 622 (2002).

1999 (3)

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 243 (1999).

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Chin. Phys. Lett. 16, 389 (1999).

D. M. Sun, Z. Q. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 383 (1999).

1989 (1)

1988 (1)

1987 (1)

1972 (1)

P. B. Johnson and R. W. Christy, Phys. Rev. B 6, 4370 (1972).

1962 (1)

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

1904 (1)

J. C. Maxwell-Garnett, Phil. Trans. Roy. Soc. Lond. A 203, 385 (1904).

Cao, Z. L.

Christy, R. W.

P. B. Johnson and R. W. Christy, Phys. Rev. B 6, 4370 (1972).

Cockayne, D. J. H.

Collins, R. E.

Craighead, H. G.

Ehrenreich, H.

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

Gajdardziska-Josifovaka, M.

Jesus, M. S.

Johnson, P. B.

P. B. Johnson and R. W. Christy, Phys. Rev. B 6, 4370 (1972).

Li, A. X.

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 243 (1999).

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Chin. Phys. Lett. 16, 389 (1999).

D. M. Sun, Z. Q. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 383 (1999).

Luis, E. R.

Martin, P. J.

Maxwell-Garnett, J. C.

J. C. Maxwell-Garnett, Phil. Trans. Roy. Soc. Lond. A 203, 385 (1904).

McKenzie, D. R.

McPhedran, R. C.

Netterfield, R. P.

Philipp, H. R.

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

Roberto, M.

Ruan, T. N.

Z. Q. Sun, D. M. Sun, and T. N. Ruan, Vacuum 68, 155 (2003).

Sainty, W. G.

Shi, S. H.

S. H. Shi, Z. L. Cao, and Z. Q. Sun, Chin. Opt. Lett. 1, 305 (2003).

S. H. Shi, Z. Q. Sun, and D. M. Sun, Acta Opt. Sin. (in Chinese) 22, 622 (2002).

Sie, S. H.

Sun, D. M.

Z. Q. Sun, D. M. Sun, and T. N. Ruan, Vacuum 68, 155 (2003).

S. H. Shi, Z. Q. Sun, and D. M. Sun, Acta Opt. Sin. (in Chinese) 22, 622 (2002).

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Chin. Phys. Lett. 16, 389 (1999).

D. M. Sun, Z. Q. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 383 (1999).

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 243 (1999).

Sun, Z. Q.

S. H. Shi, Z. L. Cao, and Z. Q. Sun, Chin. Opt. Lett. 1, 305 (2003).

Z. Q. Sun, D. M. Sun, and T. N. Ruan, Vacuum 68, 155 (2003).

S. H. Shi, Z. Q. Sun, and D. M. Sun, Acta Opt. Sin. (in Chinese) 22, 622 (2002).

D. M. Sun, Z. Q. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 383 (1999).

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Chin. Phys. Lett. 16, 389 (1999).

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 243 (1999).

Wood, O. R.

Xu, Z. Y.

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 243 (1999).

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Chin. Phys. Lett. 16, 389 (1999).

D. M. Sun, Z. Q. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 383 (1999).

Acta Opt. Sin. (in Chinese) (1)

S. H. Shi, Z. Q. Sun, and D. M. Sun, Acta Opt. Sin. (in Chinese) 22, 622 (2002).

Appl. Opt. (3)

Chin. Opt. Lett. (1)

Chin. Phys. Lett. (1)

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Chin. Phys. Lett. 16, 389 (1999).

Phil. Trans. Roy. Soc. Lond. A (1)

J. C. Maxwell-Garnett, Phil. Trans. Roy. Soc. Lond. A 203, 385 (1904).

Phys. Rev. (1)

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

Phys. Rev. B (1)

P. B. Johnson and R. W. Christy, Phys. Rev. B 6, 4370 (1972).

Vacuum (3)

D. M. Sun, Z. Q. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 383 (1999).

Z. Q. Sun, D. M. Sun, A. X. Li, and Z. Y. Xu, Vacuum 52, 243 (1999).

Z. Q. Sun, D. M. Sun, and T. N. Ruan, Vacuum 68, 155 (2003).

Other (2)

R. C. Fang, Solid State Spectroscopy (in Chinese) (USTC Press, Hefei, 2000) p. 1.

E. D. Palik, Handbook of Optical Constants of Solids (Academic Press, Orlando, 1985) p. 350, p. 899.

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