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Molecular Physics
An International Journal at the Interface Between Chemistry and Physics
Volume 59, 1986 - Issue 1
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Original Articles

Nuclear spin-lattice relaxation rates in liquid crystals

Results for deuterons in specifically deuteriated 4-n-pentyl-4′-cyanobiphenyl in both nematic and isotropic phases

P.A. Beckmann Department of Chemistry, The University, Southampton, SO9 5NH, England
,
J.W. Emsley Department of Chemistry, The University, Southampton, SO9 5NH, England
,
G.R. Luckhurst Department of Chemistry, The University, Southampton, SO9 5NH, England
&
D.L. Turner Department of Chemistry, The University, Southampton, SO9 5NH, England; Department of Chemistry, The University of Leicester, Leicester, LE1 7RH, EnglandView further author information
Pages 97-125 | Received 24 Mar 1986, Accepted 21 Apr 1986, Published online: 22 Aug 2006

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JamesW. Emsley, Philippe Lesot, Giuseppina De Luca, Anne Lesage, Denis Merlet & Giuseppe Pileio. (2008) A comparison of proton‐detected 13C local field experiments with deuterium NMR at natural abundance for studying liquid crystals. Liquid Crystals 35:4, pages 443-464.
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Valentina Domenici, Joanna Czub, Marco Geppi, Bo Gestblom, StanisłAw Urban$suffix/text()$suffix/text() & Carlo-Alberto Veracini. (2004) Dynamics of 4,4′-di-n-heptylazoxybenzene (HAB) studied using dielectric and 2H NMR relaxation measurements . Liquid Crystals 31:1, pages 91-99.
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A.C. Ribeiro, P.J. Sebastião & C. Cruz. (2001) Contribution of Proton NMR Relaxation to the Investigation of Molecular Dynamics and Molecular Organisation in Liquid Crystalline Phases. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 362:1, pages 289-304.
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Ronald Y. Dong, M. Cheng, K. Fodor-Csorba & C. A. Veracini. (2000) Rotational dynamics of a chiral mesogen by 2H NMR study: can it be anomalous?. Liquid Crystals 27:8, pages 1039-1043.
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RonaldY. Dong, G.S. Bates & X. Shen. (1999) Can Global Target Analysis of the Splitting and Spin Relaxation from a Ring-Deuterated Mesogen Produce Dynamical Information?. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 331:1, pages 143-153.
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Lucia Calucci, Donata Catalano, Katalin Fodor-csorba, Claudia Forte & Carlo Alberto Veracini. (1999) Orientation, Structure and Dynamics in the Highly Ordered Smectic Phases of 7BEF5 by 2H-NMR. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 331:1, pages 9-19.
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Lucia Calucci, Marco Geppi, Carlo Alberto Veracini, Claudia Forte & Concetta Gandolfo. (1997) A 2H NMR Study of Orientational Order and Spin Relaxation in the Mesogen p-Hexyloxybenzylidene-p′-Fluoroaniline. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 303:1, pages 415-429.
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D. Catalano, E. Ciampi, K. Fodor-Csorba, C. Forte, M. Geppi & D. Imbardelli. (1996) A 2H NMR study of orientational order, phase transitions and dynamics in a liquid crystalline compound. Liquid Crystals 21:6, pages 927-932.
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B. CVIKL. (1996) QNS investigation of d-EBBA core reorientations in oriented nematic and isotropic phases. Molecular Physics 88:2, pages 419-436.
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S. Ye. Yakovenko, G. Kroemer & A. Geiger. (1996) Short-Time Molecular Orientational Dynamics of PCH5. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 275:1, pages 91-97.
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Claudia Forte, Concetta Gandolfo, Marco Geppi & Carlo Alberto Veracini. (1995) Study of the Orientational Order and Dynamics in the Nematic and Smectic Phases of p′-Hexyloxybenzyliden-p-Fluoroaniline by Means of 2H-NMR. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 266:1, pages 213-227.
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RonaldY. Dong & G.M. Richards. (1995) Modeling Internal Chain Dynamics in Nematogens of Different Chain Lengths: Deuteron NMR Study. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 262:1, pages 339-355.
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J.W. Emsley, E.K. Foord, P.J. F. Gandy, D.L. Turner & H. Zimmermann. (1994) Assignment of the quadrupolar splittings in fully deuteriated alkyl chains of liquid crystalline compounds The case of 4-n-hexyloxy-4′-cyanobiphenyl. Liquid Crystals 17:3, pages 303-309.
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RonaldY. Dong & G. Ravindranath. (1994) Correlated chain dynamics in the nematic phase of 4-cyano-4′-hexyloxybiphenyl. Liquid Crystals 17:1, pages 47-63.
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RonaldY. Dong. (1994) Nuclear spin relaxation in biaxial liquid crystal phases. Liquid Crystals 16:6, pages 1101-1104.
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D. Imbardelli, B. Wazynska, A. Golemme, G. Chidichimo & R. Dabrowski. (1993) 2H-NMR study of molecular order and dynamics in mixtures of 8OBCAB and nTPCHB. Molecular Physics 79:6, pages 1275-1286.
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A. Ferrarini, A. Polimeno & P.L. Nordio. (1993) Rotational dynamics and conformational kinetics in liquid crystals. Liquid Crystals 14:1, pages 169-184.
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R. Köllner, K.H. Schweikert, F. Noack & H. Zimmermann. (1993) NMR field-cycling study of proton and deuteron spin relaxation in the nematic liquid crystal 4-n-pentyl-4′-cyanobiphenyl. Liquid Crystals 13:4, pages 483-498.
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D. Catalano, M. Geppi, C.A. Veracini & C. Forte. (1992) Deuterium Spin-Lattice Relaxation in Thermotropic Liquid Crystals. Study of 4,4′-di-n-heptylazobenzene, 4,4′-di-n-heptylazoxybenzene and 4,4′-di-n-octylazoxybenzene. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 221:1, pages 7-17.
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P. J. Sebastião, M.H. Godinho, A.C. Ribeiro, D. Guillon & M. Vilfan. (1992) NMR study of molecular dynamics in a mixture of two polar liquid crystals (CBOOA and DOBCA). Liquid Crystals 11:4, pages 621-635.
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A. Ferrarini, P.L. Nordio & G.J. Moro. (1991) Molecular Motions of 4-n-alkyl-4′-cyanobiphenyls in Liquid Crystal Phases. Molecular Crystals and Liquid Crystals 198:1, pages 159-170.
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A. Ferrarini, G.J. Moro & P.L. Nordio. (1990) Theory of molecular motions in flexible nematogens. Liquid Crystals 8:5, pages 593-621.
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B. Cvikl, U. Dahlborg & J. Peternelj. (1990) Uniaxial Rotation Biasing in Sm E Liquid Crystals. Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics 192:1, pages 125-129.
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RonaldY. Dong. (1989) Study of internal ring rotation and molecular reorientation in the liquid crystal 5O.7 by deuterium N.M.R. spectroscopy. Liquid Crystals 4:5, pages 505-512.
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K. Kohlhammer, K. Müller & G. Kothe. (1989) Invited Lecture. Molecular order and motion in nematogens from pulsed dynamic N.M.R. A comparative study of model compounds and parent liquid-crystal polymers. Liquid Crystals 5:5, pages 1525-1547.
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R.Y. Dong, JW. Emsley & K Hamilton. (1989) Orientational order and dynamics of molecules in the nematic phase 4-trans-(4-trans-n-propylcyclohexyl)cyclohexanenitrile. Liquid Crystals 5:3, pages 1019-1031.
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J.P. Caniparoli, A. Grassi & C. Chachaty. (1988) Correlated internal motions and nuclear spin relaxation in lamellar mesophase. Molecular Physics 63:3, pages 419-431.
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J.W. Emsley, C.T. Imrie, G.R. Luckhurst & R.D. Newmark. (1988) Pretransitional phenomena in liquid crystals studied via electric field induced deuterium quadrupolar splittings. Molecular Physics 63:2, pages 317-327.
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A. Kloczkowski, G.R. Luckhurst & R.W. Phippen. (1988) A visual representation for the shapes of flexible mesogenic molecules. Liquid Crystals 3:2, pages 185-194.
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L. Monnerie, F. Laupretre & C. Noel. (1988) Spectroscopic investigation of local molecular dynamics in liquid crystals I. Small molecules. Liquid Crystals 3:1, pages 1-29.
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