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Proceedings Paper

Influence of the cluster formation on the zeolite crystal lattice
Author(s): Yurii A. Barnakov; Bair B. Mitypov; Vitalii P. Petranovskii; Vladimir V. Poborchii; Atsuo Kasuya; Oskar J. Peralez Perez
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Paper Abstract

Clusters of CdS were prepared inside the framework voids of zeolites NaX and chabazite by multistage ion exchange chemical reaction. It was observed that each stage of reaction affects the structure of zeolites crystals. Aluminum atoms change their coordination state at the first stage because of hydrolytic decomposition of some Al-O tetrahedral bonds. Partially reversible relaxation of aluminum atoms of zeolite framework occurs during the second stage of chemical reaction. This spontaneous transition of the coordination number of aluminum atoms took place without changing of their positions of framework atoms. Such kind of the interaction between framework atoms of alumosilicates and doping ions, which are precursors of the clusters in the zeolite hosts, give indirect information about mechanism of the `ship-in-the-bottle' synthesis of semiconductor materials.

Paper Details

Date Published: 30 June 1999
PDF: 8 pages
Proc. SPIE 3790, Engineered Nanostructural Films and Materials, (30 June 1999); doi: 10.1117/12.351248
Show Author Affiliations
Yurii A. Barnakov, Tohoku Univ. and Baikal Institute for Nature Management (Japan)
Bair B. Mitypov, Baikal Institute for Nature Management (Russia)
Vitalii P. Petranovskii, National Autonomous Univ. of Mexico (Mexico)
Vladimir V. Poborchii, National Institute for Advanced Interdisciplinary Research (Japan)
Atsuo Kasuya, Tohoku Univ. (Japan)
Oskar J. Peralez Perez, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 3790:
Engineered Nanostructural Films and Materials
Akhlesh Lakhtakia; Russell F. Messier, Editor(s)

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