NMR study of distinct phase transitional behaviors in (C nH 2n+1NH 3) 2SnCl 6

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Abstract

Phase transitions in bis-(n-C nH 2n+1NH 3) 2SnCl 6, where the hydrocarbon part is analogous to lipid membrane, were investigated by means of 200-MHz 1H nuclear magnetic resonance. As a result, critical fluctuations and molecular dynamics associated with the phase transitions, an order-disorder and a conformational phase transition, were distinguished in a wide temperature range. The critical dynamics, observed in the long-chain compounds but not in the short-chain compounds by laboratory frame spin-lattice relaxation measurements, is discussed in view of the chain length dependence of molecular dynamics.

Original languageEnglish
Pages (from-to)245-249
Number of pages5
JournalJournal of the Korean Physical Society
Volume46
Issue number1
Publication statusPublished - 2005 Jan 1

Keywords

  • Model membrane
  • Nuclear magnetic resonance
  • Phase transition

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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