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ESR and optical studies of cationic silver clusters in zeolite rho

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Abstract

Silver cationic clusters formed in γ-irradiated AgCs-rho zeolites in hydrated and dehydrated forms have been studied by electron spin resonance (ESR) spectroscopy and diffuse reflectance spectrophotometry. It was found that tetrameric silver clusters, Ag 3+4 in dehydrated zeolites and Ag 2+4 in hydrated samples, are stabilized at room temperature. Tetrameric silver is trapped inside octagonal prism of zeolite framework and does not show any noticeable decay as far as samples are evacuated.

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Authors and Affiliations

  1. Institute of Nuclear Chemistry and Technology, ul. Dorodna 16, 03-195, Warsaw, Poland

    J. Michalik & J. Sadlo

  2. National Institute for Research in Inorganic Materials, 305, Tsukuba, Ibaraki, Japan

    T. Kodaira

  3. National Institute for Advanced Interdisciplinary Research, 305, Tsukuba, Ibarak, Japan

    S. Shimomura & H. Yamada

Authors
  1. J. Michalik
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  2. J. Sadlo
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  3. T. Kodaira
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  4. S. Shimomura
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  5. H. Yamada
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Michalik, J., Sadlo, J., Kodaira, T. et al. ESR and optical studies of cationic silver clusters in zeolite rho. J Radioanal Nucl Chem 232, 135–138 (1998). https://doi.org/10.1007/BF02383728

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  • DOI: https://doi.org/10.1007/BF02383728

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