QUASI-ELASTIC NEUTRON-SCATTERING STUDY OF MOLECULAR-REORIENTATION IN THE NEMATIC AND SMECTIC PHASES OF 4-N-PENTYLPHENYL-4'-N-OCTYLOXYTHIOBENZOATE

被引:8
作者
CHRUSCIEL, J [1 ]
ZAJAC, W [1 ]
机构
[1] HENRYK NIEWODNICZANSKI INST NUCL PHYS,RADZIKOWSKIEGO 152,PL-31342 KRAKOW,POLAND
关键词
D O I
10.1080/02678299108026288
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report QNS investigations of the eighth member of the 4-n-pentylphenyl-4'-n-alkyloxythiobenzoate homologous series (C(n)H2n + 1 O-PHI-COS-PHI-C5H11, n = 8 and PHI denotes the benzene ring), knwon as 8S5BAR. QNS measurements have been performed for a fully protonated sample as well as for the one with deuteriated terminal alkyl and alkoxy groups, in the phases: isotropic, nematic, smectic A and smectic C. The results obtained indicate the important role of fast reorientation within the terminal chains, including conformational changes.
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页码:419 / 424
页数:6
相关论文
共 18 条
[11]  
JANIK JA, 1986, ZEHN ARBEITEN FLUSSI, V52, P4
[12]   A VISUAL REPRESENTATION FOR THE SHAPES OF FLEXIBLE MESOGENIC MOLECULES [J].
KLOCZKOWSKI, A ;
LUCKHURST, GR ;
PHIPPEN, RW .
LIQUID CRYSTALS, 1988, 3 (02) :185-194
[13]  
KRESSE H, 1983, ADV LIQ CRYSTALS, V5, P109
[14]  
LIPINSKI K, 1989, 8TH LIQ CRYST C SOC
[15]   MOLECULAR-REORIENTATION IN THE NEMATIC AND ROTATORY PHASES OF 4,4'-DI-NORMAL-PENTYLOXYAZOXYBENZENE [J].
NGUYEN, XP ;
KRAWCZYK, J ;
CHRUSCIEL, D ;
CHRUSCIEL, J ;
JANIK, JA ;
JANIK, JM ;
OTNES, K ;
KRESSE, H ;
NATKANIEC, I ;
URBAN, S ;
WROBEL, S .
LIQUID CRYSTALS, 1986, 1 (06) :561-572
[16]   A COMPARATIVE-STUDY OF THE MOLECULAR MOTIONS IN THE 3-SMECTIC PHASES OF ISOBUTYL 4(4' PHENYLBENZYLIDENEAMINO) CINNAMATE USING INCOHERENT NEUTRON-SCATTERING [J].
RICHARDSON, RM ;
LEADBETTER, AJ ;
FROST, JC .
MOLECULAR PHYSICS, 1982, 45 (06) :1163-1191
[17]   CORRECTION [J].
VOLINO, F .
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1987, 142 (1-4) :107-112
[18]  
WROBEL S, 1987, 8 SZOL FIZYK ZAST MO