Translational self diffusion anisotropy in the smectic A phase measured by a static fringe field gradient 1H NMR diffusometry approach

被引：14

作者：

Cifelli, M ^{[1
]}

Veracini, CA ^{[1
]}

机构：

[1] Univ Pisa, Dipartimento Chim & Chim Ind, I-56126 Pisa, Italy

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2005年 / 7卷 / 19期

关键词：

D O I：

10.1039/b508586a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Self diffusion along the phase director in the nematic phase and parallel to and across the layer in the smectic A phase of the OAB smectogen has been measured exploiting a static fringe field gradient H-1 NMR diffusometry approach.

引用

页码：3412 / 3415

页数：4

共 18 条

[1] Studies of translational diffusion in the smectic A phase of a Gay-Berne mesogen using molecular dynamics computer simulation [J].

Bates, MA ;

Luckhurst, GR .

JOURNAL OF CHEMICAL PHYSICS, 2004, 120 (01) :394-403

[2] ANISOTROPY OF SELF-DIFFUSION IN SMECTIC-A AND SMECTIC-C PHASES [J].

BLINC, R ;

BURGAR, M ;

LUZAR, M ;

PIRS, J ;

ZUPANCIC, I ;

ZUMER, S .

PHYSICAL REVIEW LETTERS, 1974, 33 (20) :1192-1195

[3] Translational self diffusion in 4-n-octyloxy-4′-cyanobiphenyl (8OCB) exploited with a static field gradient 1H NMR diffusometry approach [J].

Cifelli, M ;

McDonald, PJ ;

Veracini, CA .

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2004, 6 (19) :4701-4706

[4] Dynamics of a liquid crystal in its smectic A phase from angle dependent deuterium spin relaxation measurements [J].

Cifelli, M ;

Forte, C ;

Geppi, M ;

Veracini, CA .

MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2002, 372 (01) :81-95

[5] Anisotropic self-diffusion in thermotropic liquid crystals studied by 1H and 2H pulse-field-gradient spin-echo NMR -: art. no. 061701 [J].

Dvinskikh, SV ;

Furó, I ;

Zimmermann, H ;

Maliniak, A .

PHYSICAL REVIEW E, 2002, 65 (06) :1-061701

[6] Deuterium stimulated-echo-type PGSE NMR experiments for measuring diffusion:: Application to a liquid crystal [J].

Dvinskikh, SV ;

Furó, I ;

Sandström, D ;

Maliniak, A ;

Zimmermann, H .

JOURNAL OF MAGNETIC RESONANCE, 2001, 153 (01) :83-91

[7] Anisotropic self-diffusion in the nematic phase of a thermotropic liquid crystal by 1H-spin-echo nuclear magnetic resonance [J].

Dvinskikh, SV ;

Furó, I .

JOURNAL OF CHEMICAL PHYSICS, 2001, 115 (04) :1946-1950

[8] NMR methods applied to anisotropic diffusion [J].

Furó, I ;

Dvinskikh, SV .

MAGNETIC RESONANCE IN CHEMISTRY, 2002, 40 (SPEC. ISS.) :S3-S14

[9] ON THE ANISOTROPY OF DIFFUSION IN NEMATIC LIQUID-CRYSTALS - TEST OF A MODIFIED AFFINE TRANSFORMATION MODEL VIA MOLECULAR-DYNAMICS [J].

HESS, S ;

FRENKEL, D ;

ALLEN, MP .

MOLECULAR PHYSICS, 1991, 74 (04) :765-774

[10] Anisotropic diffusion in a nematic liquid crystal -: An electric field PFG NMR approach [J].

Holstein, P ;

Bender, M ;

Galvosas, P ;

Geschke, D ;

Kärger, J .

JOURNAL OF MAGNETIC RESONANCE, 2000, 143 (02) :427-430

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