On the potential of positron lifetime spectroscopy for the study of early stages of zeolites formation from their amorphous precursors

S. Bosnar, C. Kosanović, B. Subotić, D. Bosnar, Zs Kajcsos, L. Liszkay, L. Lohonyai, B. Molnár, K. Lázár

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The applicability of positron lifetime (LT) spectroscopy to the study of progress of formation of Secondary Building Units (SBU) in gels yielding in FAU and LTA type zeolites was investigated. Samples were prepared from aluminosilicate gels with various degrees of local structural order. LT measurements were performed at room temperature in air and in vacuum. Coexistence of annihilation modi with long lifetime components was shown; a correlation with precursors of nucleation and type of exchanged ions was also indicated.

Original languageEnglish
Pages (from-to)252-256
Number of pages5
JournalRadiation Physics and Chemistry
Issue number2
Publication statusPublished - Feb 1 2007



  • Long-living positronium states
  • Positron annihilation
  • Zeolite precursors

ASJC Scopus subject areas

  • Radiation

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