Phase transitions of new antiferroelectric bent-core thiobenzoate

Wantusiak, B.; Zalewski, Sławomir; Suchodolski, P.; Chruściel, J.; Ossowska‐Chruściel, M. D.

doi:10.1080/01411594.2011.634330

Cited by 2 publications

(1 citation statement)

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“…Besides the high-ordering phases SmI * and SmG * as well as chiral nematic N * , MHOBS8 possesses the enantiotropic ferroelectric SmC * phase [9] in the considerably wide temperature range (103 Table). IFOS8 possesses the enantiotropic antiferroelectric B2 and B6 phases [10]. The temperature range of phases is as follows: B2 195 (Table).…”

Section: Introductionmentioning

confidence: 99%

Equimolecular Mixture of Calamitic and Bent-Core Thiobenzoates

Chruściel

Wantusiak²,

Ossowska‐Chruściel³

2012

Acta Phys. Pol. A

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This article reports on the new results on phase transitions, mesomorphic and electro-optical properties of new equimolecular mixture of calamitic and bent-core thiobenzoates. Two following liquid crystals were the components of the binary mixture: (S)-(+)-4-(1-methylheptyloxy)biphenyl 4 ′ -octylthiobenzoate (MHOBS8) having rode-like, calamitic-chiral molecules possessing among others ferroelectric smectic C (SmC * ) and bis [4-(4 ′ -octylphenylthiocarbonyl)phenyl] isophtalates from a homologous series of banana-shaped thioesters, referred to as IFOS8, where n = 8 denoted the number of carbon atoms in terminal alkyl chains in both mesogens, synthesized by us. The IFOS8 compound has two enantiotropic phases: B2 with antiferroelectric order and B6. The mesomorphic properties were investigated by means of three complementary methods: dierential scanning calorimetry, polarized light optical microscopy, and transmitted light intensity. Electro-optical measurements were also carried out.

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Section: Introductionmentioning

confidence: 99%