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

Kyu Won Lee, Cheol Eui Lee, J. Y. Choi, Joon Kim

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    7 Citations (Scopus)

    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

    Keywords

    • Model membrane
    • Nuclear magnetic resonance
    • Phase transition

    ASJC Scopus subject areas

    • General Physics and Astronomy

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