Pressure-induced argon insertion into an auxetic small pore zeolite

Yongjae Lee, Joseph A. Hriljac, Thomas Vogt

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


We report that natrolite,Na16Al16Si 24O48·16H2O, a small pore auxetic zeolite can incorporate significant amounts of Argon under moderate pressure- and temperature conditions resulting in Na16Al16Si 24O80·16H2O·6Ar. This material has a ∼6.5% larger unit cell than natrolite at ambient conditions and its structure is related to Na16Al16Si24O 80·24H2O, an intermediate superhydrated natrolite referred to as para-natrolite. Argon insertion under pressure into auxetic frameworks such as natrolites is an important and overlooked confinement mechanism with potential applications and implications.

Original languageEnglish
Pages (from-to)6922-6927
Number of pages6
JournalJournal of Physical Chemistry C
Issue number15
Publication statusPublished - 2010 Apr 22

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films


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