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Measurement of the refractive index and optical absorption spectra of epitaxial bismuth substituted yttrium iron garnet films at uv to near-ir wavelengths

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Abstract

Refractive-index and optical-absorption spectra of Bi-substituted yttrium iron garnet films, epitaxially grown by liquid-phase epitaxy, have been measured in the spectral regime 0.26 μm≦λ≦1.9 μm by thin-film interference for λ ≳0.52 μm and by ellipsometry forλ≲0.52 μm. The Y3−x−y Bi x Pb y Fe5−z Pt z O12 films contain bismuth in the range O≦x ≦1.42, lead in the range 0.01 ≦y≦0.08 and platinum in the range 0.005<=z≦0.03. There is satisfactory coincidence between the results from ellipsometry and thin-film interference in the overlapping wavelength region. The materials investigated are the same as reported earlier from this laboratory in ter mof their magnetic and magnetooptic properties.

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Authors and Affiliations

  1. Philips GmbH Forschungslaboratorium Hamburg, D-2000, Hamburg 54, Fed. Rep. Germany

    V. Doormann, J. -P. Krumme & C. -P. Klages

  2. Laboratoires d'Electronique et de Physique Appliquée, F-94450, Limeil-Brévannes, France

    M. Erman

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  1. V. Doormann
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  2. J. -P. Krumme
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  3. C. -P. Klages
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  4. M. Erman
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Doormann, V., Krumme, J.P., Klages, C.P. et al. Measurement of the refractive index and optical absorption spectra of epitaxial bismuth substituted yttrium iron garnet films at uv to near-ir wavelengths. Appl. Phys. A 34, 223–230 (1984). https://doi.org/10.1007/BF00616576

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