Formation of K clusters in K-form zeolite ZK-4's with Si/Al > 1

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Abstract

K atoms are dilutely adsorbed onto zeolite K-form ZK-4's, which have an LTA type framework structure, with wide variation of Si-to-Al atomic ratios. Formation of cationic K clusters with a size of the α-cage is evidenced by both notable absorption bands observed at ca. 1eV and no hyperfine structures in the ESR spectra.

Original languageEnglish
Pages (from-to)387-390
Number of pages4
JournalSolid State Communications
Volume123
Issue number9
DOIs
StatePublished - Aug 2002

Bibliographical note

Funding Information:
T.K. thanks Profs. J. Michalik and Y. Nozue for their support and useful comment. This work was supported by Hannam University.

Keywords

  • A. Nanostructures
  • A. Zeolite
  • D. Optical properties
  • E. Electron spin resonance

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