Probe Dynamics of Chloroform in a Smectic Liquid Crystal. I. ^<13>C and ^1H NMR Relaxation
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概要
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^<13>C and ^1H relaxations of ^<13>C-enriched chloroform dissolved in the smectic A phase of S2 are measured at 90 MHz for ^1H. From various experiments for the coupled spin system together with ^1H-data for the same mol% of chloroform with natural abundance of ^<13>C, we have separated spectral densities on reorientation of a molecular axis of the chloroform. They are markedly different from those expected from the purely rotational dynamics ; namely, only the component for fluctuation of a dipolar field in the direction of the magnetic field, which has a nonzero average in the ordered state, have been fairly large and frequency-dependent. This result is presumably due to the coupling of translational and rotational motions of the solute deeply inherent in the smectic phase.
- 社団法人日本物理学会の論文
- 1995-02-15
著者
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Ishiwata Mitsumasa
Department Of Physics Faculty Of Science Saitama University
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Ono Takashi
Department Of Hospital Pharmacy & Pharmacology Asahikawa Medical College
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Ono Takashi
Department Of Biological Science And Technology Tokai University
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