期刊
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
卷 649, 期 1, 页码 20-30出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421406.2017.1303595
关键词
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资金
- Swedish Research Council
- NCN Polish [DEC-2013/08/M/ST5/00781]
In this work, we report a first detailed study of the mesophasic behaviour of the calamitic liquid crystal, a (4,4-bis(4-carboxybelzyloxy)biphenyl derivate, labelled 9/2 RS/RS, showing an isotropic-isotropic-(columnar)-cubic phase behaviour on cooling. H-1 NMR diffusometry allowed to distinguish between the two isotropic phases in terms of diffusion characterized by different Arrhenius activation energy, while C-13 NMR static measurements and H-2 NMR investigations were of help in understanding the orientational ordering properties of the metastable columnar phase and confirmed the isotropic state of the sample in the cubic phase.
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