Recovery of a reversed phase sequence in one ternary liquid-crystal-mixture system

Shun Wang; Lidong Pan; B. K. McCoy; S. T. Wang; R. Pindak; H. T. Nguyen; C. C. Huang

doi:10.1103/PhysRevE.79.021706

Recovery of a reversed phase sequence in one ternary liquid-crystal-mixture system

Shun Wang, Lidong Pan, B. K. McCoy, S. T. Wang, R. Pindak, H. T. Nguyen, C. C. Huang

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

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Abstract

The nOHFBBB1M7 (n=10) compound, 10OHF, shows a reversed Sm C FI2 -Sm Cphase sequence, unique among all known antiferroelectric liquid crystals. This reversed phase sequence is stabilized when 10OHF is doped with 9OTBBB1M7(C9) or 11OTBBB1M7(C11). In contrast, doping of the homologous members (n=9, 11, or 12) eliminates the Sm C FI2 phase. One 10OHF/11OHF mixture without the Sm C FI2 phase was selected for further studies. By adding C9 into this particular mixture, the reversed phase sequence is revived. To our surprise, even though 11OHF destabilizes the Sm C FI2 phase in binary mixtures with 10OHF, it significantly increases the Sm C FI2 temperature range in the 10OHF/11OHF/C9 ternary mixtures.

Original language	English (US)
Article number	021706
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	79
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevE.79.021706
State	Published - Feb 2 2009

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abstract = "The nOHFBBB1M7 (n=10) compound, 10OHF, shows a reversed Sm C FI2 -Sm Cphase sequence, unique among all known antiferroelectric liquid crystals. This reversed phase sequence is stabilized when 10OHF is doped with 9OTBBB1M7(C9) or 11OTBBB1M7(C11). In contrast, doping of the homologous members (n=9, 11, or 12) eliminates the Sm C FI2 phase. One 10OHF/11OHF mixture without the Sm C FI2 phase was selected for further studies. By adding C9 into this particular mixture, the reversed phase sequence is revived. To our surprise, even though 11OHF destabilizes the Sm C FI2 phase in binary mixtures with 10OHF, it significantly increases the Sm C FI2 temperature range in the 10OHF/11OHF/C9 ternary mixtures.",

author = "Shun Wang and Lidong Pan and McCoy, {B. K.} and Wang, {S. T.} and R. Pindak and Nguyen, {H. T.} and Huang, {C. C.}",

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AU - Wang, Shun

AU - Pan, Lidong

AU - McCoy, B. K.

AU - Wang, S. T.

AU - Pindak, R.

AU - Nguyen, H. T.

AU - Huang, C. C.

PY - 2009/2/2

Y1 - 2009/2/2

N2 - The nOHFBBB1M7 (n=10) compound, 10OHF, shows a reversed Sm C FI2 -Sm Cphase sequence, unique among all known antiferroelectric liquid crystals. This reversed phase sequence is stabilized when 10OHF is doped with 9OTBBB1M7(C9) or 11OTBBB1M7(C11). In contrast, doping of the homologous members (n=9, 11, or 12) eliminates the Sm C FI2 phase. One 10OHF/11OHF mixture without the Sm C FI2 phase was selected for further studies. By adding C9 into this particular mixture, the reversed phase sequence is revived. To our surprise, even though 11OHF destabilizes the Sm C FI2 phase in binary mixtures with 10OHF, it significantly increases the Sm C FI2 temperature range in the 10OHF/11OHF/C9 ternary mixtures.

AB - The nOHFBBB1M7 (n=10) compound, 10OHF, shows a reversed Sm C FI2 -Sm Cphase sequence, unique among all known antiferroelectric liquid crystals. This reversed phase sequence is stabilized when 10OHF is doped with 9OTBBB1M7(C9) or 11OTBBB1M7(C11). In contrast, doping of the homologous members (n=9, 11, or 12) eliminates the Sm C FI2 phase. One 10OHF/11OHF mixture without the Sm C FI2 phase was selected for further studies. By adding C9 into this particular mixture, the reversed phase sequence is revived. To our surprise, even though 11OHF destabilizes the Sm C FI2 phase in binary mixtures with 10OHF, it significantly increases the Sm C FI2 temperature range in the 10OHF/11OHF/C9 ternary mixtures.

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Recovery of a reversed phase sequence in one ternary liquid-crystal-mixture system

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