Molecular Dynamics in Smectic and Crystalline Phases Studied by ¹³C-NMR Spin Lattice Relaxation Time Observation

References

• Meyer , R. B. , Liébert , L. , Strzelecki , L. and Keller , P. 1975 . Ferroelectric liquid crystals . J. Physique , 36 : L69 – 71 .
   Google Scholar
• Fukuda , A. , Takanishi , Y. , Isozaki , T. , Ishikawa , K. and Takezoe , H. 1994 . Antiferroelectric chiral smectic liquid crystals . J. Mater Chem. , 4 : 997 – 1016 .
   Web of Science ®Google Scholar
• Blinc , R. and Žekš , B. 1978 . Dynamics of helicoidal ferroelectric smectic-C* liquid crystals . Phys Rev. A , 18 : 740 – 745 .
   Web of Science ®Google Scholar
• Martinot-Lagarde , Ph. and Durand , G. 1981 . Dielectric relaxation in a ferroelectric liquid crystal . J. Physique , 42 : 269 – 275 .
   Google Scholar
• Benguigui , L. 1982 . Dielectric relaxations in a liquid crystal with helicoidal dipole ordering . J. Physique , 43 : 915 – 920 .
   Google Scholar
• Luzar , M. , Rutar , V. , Seliger , J. and Blinc , R. 1984 . 13C NMR in ferroelectric smectic liquid crystals . Ferroelectrics , 58 : 115 – 132 .
   Web of Science ®Google Scholar
• Lalanne , J. R. , Buchert , J. , Destrade , C. , Nguyen , H. T. and Marcerou , J. P. 1989 . Slowing down of molecular rotation at the smectic-A → smectic-C* transition of liquid crystals . Phys. Rev. Lett. , 66 : 3046 – 3049 .
   Web of Science ®Google Scholar
• Kremer , F. , Vallerien , S. U. , Kapitza , H. , Zentel , R. and Fischer , E. W. 1990 . Constant molecular rotation at the smectic-A to smectic-C* transition in ferroelectric liquid crystals . Phys. Rev. A , 42 : 3667 – 3669 .
   PubMed Web of Science ®Google Scholar
• Nozaki , R. , Bose , T. K. and Thoen , J. 1991 . Broadband dielectric relaxation study in a ferroelectric liquid crystal by time domain reflectometry . Ferroelectrics , 121 : 1 – 11 .
   Web of Science ®Google Scholar
• Pleiner , H. and Brand , H. R. 1994 . Dielectric degrees of freedom in chiral smectic C liquid crystals . Mol. Cryst. Liq. Cryst. , 257 : 289 – 291 .
   Web of Science ®Google Scholar
• Miyachi , K. , Matsushima , J. , Takanishi , Y. , Ishikawa , K. , Takezoe , H. and Fukuda , A. 1995 . Spontaneous polarization parallel to the tilt plane in the antiferroelectric chiral smectic-CA phase of liquid crystals as observed by polarized infrared-spectroscopy . Phys. Rev. E , 52 : R2153 – 2156 .
   PubMed Web of Science ®Google Scholar
• Kim , K. H. , Ishikawa , K. , Takezoe , H. and Fukuda , A. 1995 . Orientation of alkyl chains and hindered rotation of carbonyl groups in the smectic C* phase of antiferroelectric liquid crystals studied by polarized Fourier transform infrared spectroscopy . Phys. Rev. E , 51 : 2166 – 2175 .
   PubMed Web of Science ®Google Scholar
• Jang , W. G. , Park , C. S. , Maclennan , J. E. , Kim , K. H. and Clark , N. A. 1996 . Orientation bias of carbonyl groups in the chiral smectic phase . Ferroelectrics , 180 : 213 – 225 .
   Google Scholar
• Yoshizawa , A. , Kikuzaki , H. and Fukumasa , M. 1995 . Microscopic organization of molecules in smectic A and chiral (racemic) smectic C phases: Dynamic molecular deformation effect on the SA to SC* (SC) transition . Liq. Cryst. , 18 : 351 – 366 .
   Web of Science ®Google Scholar
• Miyajima , S. and Nakai , T. 1993 . Spectroscopy of liquid crystals 5. (NMR Spectroscopy, -2-) . Ekisho , 3 : 124 – 132 .
   Google Scholar
• Muševič , I. , Blinc , R. and Žekš , B. 2000 . The Physics of Ferroelectric and Antiferroelectric Liquid Crystals , 302 – 383 . Singapore : World Scientific .
   Google Scholar
• Nakai , T. , Fujimori , H. , Kuwahara , D. and Miyajima , S. 1999 . Complete assignment of 13C NMR spectra and determination of orientational order parameter for antiferroelectric liquid-crystalline MHPOBC . J. Phys. Chem. B , 103 : 417 – 425 .
   Web of Science ®Google Scholar
• Yoshida , S. , Jin , B. , Takanishi , Y. , Tokumaru , K. , Ishikawa , K. , Takezoe , H. , Fukuda , A. , Kusumoto , T. , Nakai , T. and Miyajima , S. 1999 . A bent and asymmetrically hindered chiral alkyl chain in smectic-A phase of an antiferroelectric liquid crystal as observed by H-2-NMR . J. Phys. Soc. Jpn. , 68 : 9 – 11 .
   Google Scholar
• Fujimori , H. , Bayle , J. P. and Miyajima , S. 2000 . Freezing of intramolecular motion around the chiral center of an antiferroelectric liquid crystal as evidenced by damped transient oscillations in 13C -1H cross polarization . J. Phys. Soc. Jpn. , 69 : 3090 – 3094 .
   Google Scholar
• Tokumaru , K. , Jin , B. , Yoshida , S. , Takanishi , Y. , Ishikawa , K. , Takezoe , H. , Fukuda , A. , Nakai , T. and Miyajima , S. 1999 . Molecular rotation in an antiferroelectric liquid crystal studied by 13C-nuclear magnetic resonance spin-lattice relaxation time measurement . Jpn. J. Appl. Phys. , 38 : 147 – 150 .
   Web of Science ®Google Scholar
• Seki , T. , Miyayama , K. , Satoh , H. , Kanekiyo , M. , Hiraoka , K. and Uematsu , Y. 2003 . Molecular dynamics in a chiral smectic liquid crystal studied by 13C-nuclear magnetic resonance spin-lattice relaxation time observation . Jpn. J. Appl. Phys. , 42 : 3535 – 3539 .
   Web of Science ®Google Scholar
• Hiraoka , K. , Seki , T. , Miyayama , K. , Hiejima , T. and Kanekiyo , M. 2004 . Molecular dynamics in chiral smectic liquid-crystalline phases studied by solid state 13C-NMR measurements . Ferroelectrics , 310 : 37 – 43 .
   Web of Science ®Google Scholar
• Miyayama , K. , Shikayama , Y. , Iwahori , A. , Nose , T. and Hiraoka , K. 2005 . 13C-NMR spin lattice relaxation time observation on the smectic A and smectic C* phases of a chiral smectic liquid crystal,(S)-4-(1-methylhexyloxycarbonyl) phenyl 4′-octyloxybiphenyl-4-carboxylate . Jpn. J. Appl. Phys. , 44 : 3130 – 3133 .
   Web of Science ®Google Scholar
• Miyayama , K. , Seki , T. , Iwahori , A. and Hiraoka , K. 2006 . Molecular dynamics in chiral smectic phases investigated by13C-NMR spin lattice relaxation time observation . Ferroelectrics , 343 : 111 – 118 .
   Web of Science ®Google Scholar
• Hiraoka , K. , Iwahori , A. , Shoroshita , H. , Hara , H. , Nanamiya , M. and Oshima , M. 2008 . Chirality and molecular dynamics of smectic compound studied by 13C-NMR spin lattice relaxation time observation . Ferroelectrics , 364 : 129 – 135 .
   Web of Science ®Google Scholar
• Takanishi , Y. , Sato , D. , Ishikawa , K. and Takezoe , H. 2000 . High frequency dielectric measurements in the ferro- and antiferroelectric liquid crystals . Ferroelectrics , 245 : 111 – 117 .
   Web of Science ®Google Scholar
• Kim , K. H. 2004 . Molecular structure and orientational behavior in antiferroelectric liquid crystals studied by vibrational spectroscopy. Ph.D. thesis, Tokyo Institute of Technology Tokyo
   Google Scholar
• Torchia , D. 1978 . The measurement of proton-enhanced carbon-13 T1 values by a method which suppresses artifacts . J. Mag. Res. , 30 : 613 – 616 .
   Web of Science ®Google Scholar
• Farrar , T. C. and Becker , E. D. 1971 . Pulse and Fourier Transform NMR—Introduction to Theory and Methods , 53 – 58 . New York : Academic Univ. Press .
   Google Scholar
• Bloembergen , N. , Purcell , E. M. and Pound , R. V. 1948 . Relaxation effects in nuclear magnetic resonance absorption . Phys. Rev. , 73 : 679 – 715 .
   Web of Science ®Google Scholar