Deuterium NMR Evidences of Slow Dynamics in the Nematic Phase of a Banana-Shaped Liquid Crystal

References

• Niori , T. , Sekine , F. , Watanabe , J. , Furukawa , T. and Takezoe , H. 1996 . Distinct ferroelectric smectic liquid crystals consisting of banana shaped achiral molecules . J. Mater. Chem. , 6 : 1231 – 1233 .
   Web of Science ®Google Scholar
• Kentischer , F. , MacDonald , R. , Warnick , P. and Heppke , G. 1998 . Second harmonic generation (SHG) investigations of different phases of banana shaped molecules . Liq. Cryst. , 25 : 341 – 347 .
   Web of Science ®Google Scholar
• Heppke , G. and Moro , D. 1998 . Liquid crystals—Chiral order from achiral molecules . Science , 279 : 1872 – 1873 .
   Web of Science ®Google Scholar
• Prost , J. and Barois , P. 1983 . Polymorphism in polar mesogens. II—Theoretical aspects . J. Chim. Phys. , 80 : 65
   Web of Science ®Google Scholar
• Petschek , R. G. and Wiefling , K. M. 1987 . Novel ferroelectric fluids . Phys. Rev. Lett. , 59 : 343 – 346 .
   PubMed Web of Science ®Google Scholar
• Tournilhac , F. , Blinov , L. M. , Simon , J. and Yablonski , S. V. 1992 . Ferroelectric liquid crystal from achiral molecules . Nature , 359 : 621 – 623 .
   Web of Science ®Google Scholar
• Domenici , V. , Geppi , M. , Veracini , C. A. , Blinc , R. , Lebar , A. and Zalar , B. 2005 . Unusual dynamic behavior in the isotropic phase of banana mesogens detected by 2H NMR line width and T2 measurements . J. Phys. Chem. B , 109 : 769 – 774 .
   PubMed Web of Science ®Google Scholar
• Domenici , V. 2005 . Orientational order and dynamics of banana-shaped and rod-like liquid crystals by means of 2H NMR: new developments , PhD thesis Italy : University of Pisa .
   Google Scholar
• Wiant , D. , Gleeson , J. T. , Eber , N. , Fodor-Csorba , K. , Jakli , A. and Toth-Katona , T. 2005 . Non-standard electroconvection in a bent core nematic, electronic-Liquid Crystal Communications, 21st April 2005 . Phys. Rev. E , 72 : 041712
   Web of Science ®Google Scholar
• Madsen , L. A. , Dingemans , D. J. , Nakata , M. and Samulski , E. T. 2004 . Thermotropic biaxial nematic liquid crystals . Phys. Rev. Lett. , 92 : 145505
   PubMed Web of Science ®Google Scholar
• Olivares , J. O. , Stojadinovic , S. , Dingemans , D. J. , Sprunt , S. and Jakli , A. 2003 . Optical studies of the nematic phase of an oxazole-derived bent-core liquid crystal . Phys. Rev. E , 68 : 041704 – 1710 .
   Web of Science ®Google Scholar
• Stojadinovic , S. , Adorian , A. , Sprunt , S. , Sawade , H. and Jakli , A. 2002 . Dynamics of the nematic phase of a bent-core liquid crystal . Phys. Rev. E , 66 : 060701 – 0705 .
   Web of Science ®Google Scholar
• Diele , S. , Grande , S. , Kruth , H. , Lischka , Ch. , Pelzl , G. , Weissflog , W. and Wirth , I. 1998 . Structure and properties of liquid-crystalline phases formed by achiral banana-shaped molecules . Ferroelectrics , 212 : 169 – 177 .
   Web of Science ®Google Scholar
• Pelzl , G. , Grande , S. , Jakli , A. , Lischka , Ch. , Kresse , H. , Schmalfuss , H. , Wirth , I. and Weissflog , W. 1999 . Helical superstructures in a novel smectic mesophase formed by achiral banana-shaped molecules . Liq. Cryst. , 26 : 135 – 139 .
   Web of Science ®Google Scholar
• Dong , R. Y. , Fodor-Csorba , K. , Domenici , V. , Xu , J. , Prampolini , G. and Veracini , C. A. 2004 . Deuterium and carbon-13 NMR study of a banana mesogen: Molecular structure and order . J. Phys. Chem. B , 108 : 7694 – 7701 .
   Web of Science ®Google Scholar
• Domenici , V. , Madsen , L. A. , Choi , E. J. , Samulski , E. T. and Veracini , C. A. 2005 . Investigating the core moiety of banana-shaped liquid crystals using H-2 NMR coupled with quantum simulations . Chem. Phys. Lett. , : 318 – 323 .
   Google Scholar
• Luz and Meiboom , S. 1963 . Nuclear magnetic resonance study of the protolysis of trimethylammonium ion in aqueous solution-order of the reaction with respect to water . J. Chem. Phys. , 39 : 366 – 372 .
   Web of Science ®Google Scholar
• Wimperis , S. 1990 . Broadband and narrowband composite excitation sequences . J. Magn. Reson. , 86 : 46 – 59 .
   Web of Science ®Google Scholar
• Veracini , C. A. 1985 . Nuclear Magnetic Resonance of Liquid Crystals , Edited by: Emsley , J. W. vol. 141 , Reidel : Dordrecht .
   Google Scholar
• Fodor-Csorba , K. , Vajda , A. , Galli , G. , Jakli , A. , Demus , D. , Holly , S. and Gacs-Baitz , E. 2002 . Ester-type banana-shaped monomers and their electro-optical investigations . Macromol. Chem. Phys. , 203 : 556 – 563 .
   Google Scholar
• Domenici , V. , Fodor-Csorba , K. , Frezzato , D. , Veracini , C. A. and Zalar , B. unpublished work
   Google Scholar
• Domenici , V. , Veracini , C. A. and Zalar , B. 2005 . How banana-shaped liquid crystal orient (if they do) in the magnetic field? . Soft Matter , 1 : 408 – 411 .
   PubMed Web of Science ®Google Scholar
• Frezzato , D. , Moro , G. J. and Kothe , G. 2003 . Transverse nuclear spin relaxation due to director fluctuations in liquid crystals. II. Second-order contributions of the fluctuating director . J. Chem. Phys. , 119 : 6931 – 6945 .
   Google Scholar
• Frezzato , D. , Kothe , G. and Moro , G. J. 2001 . Transverse nuclear spin relaxation due to director fluctuations in liquid crystals—A slow motional theory . J. Phys. Chem. B , 105 : 1281 – 1292 .
   Web of Science ®Google Scholar