Thermo-barometric analysis of some pyramidic mesogens

Buisine, J. M.; Zimmermann, Herbert; Poupko, Raphy; Luz, Zeev; Billard, Jean

doi:10.1080/00268948708075345

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Thermo-barometric analysis of some pyramidic mesogens

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Zimmermann, Herbert
Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society;
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;
Zimmermann Group, Max Planck Institute for Medical Research, Max Planck Society;
Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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https://www.tandfonline.com/doi/abs/10.1080/00268948708075345?needAccess=true#aHR0cHM6Ly93d3cudGFuZGZvbmxpbmUuY29tL2RvaS9wZGYvMTAuMTA4MC8wMDI2ODk0ODcwODA3NTM0NT9uZWVkQWNjZXNzPXRydWVAQEAw
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引用

Buisine, J. M., Zimmermann, H., Poupko, R., Luz, Z., & Billard, J. (1987). Thermo-barometric analysis of some pyramidic mesogens. Molecular Crystals and Liquid Crystals, 151(1), 391-398. doi:10.1080/00268948708075345.

引用: https://hdl.handle.net/11858/00-001M-0000-0019-AEBF-3

要旨

The phase behaviour under pressure of four members (n = 7, 9, 10 and 11) of the hexaalkyloxytri-benzocyclononene homologous series have been investigated by thermo-barometric analysis. The pressure-temperature phase diagrams are determined. For n = 7, 9 and 10 a new stable phase is detected; it seems it is a Pg phase. For n = 7 that phase is monotropic under atmospheric pressure; two virtual transitions are deduced by extrapolation. Volume changes for the transitions and ratio of the expansion and isothermal compressibility coefficients for the phases are given.