2PD11 ^<13>C-NMR T_1緩和時間測定によるMHPOBCの運動性に関する考察

概要

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In order to investigate the segmental motion of S-MHPOBC, we measured the ^<13>C-NMR spin-lattice relaxation time (T_1), by means of the inversion recovery method. The temperature dependence of T_1 obey the Arrhenius type. T_1 for most of arbons show continuous temperature dependence. On the other hand , in case of the chiral carbon, temperature dependence of T_1 in SmA is different from that in SmC_A^*. This result suggests that the segmental motion of the chiral carbon changes under the influence of some kinds of molecular interaction changing at the phase transition.
日本液晶学会の論文
1997-09-24