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Invited Articles

Janus mesophases of matter

, ORCID Icon, & ORCID Icon
Pages 908-933 | Received 17 Aug 2021, Published online: 13 Dec 2021

References

  • Chandrasekhar S, Ratna BR, Sadashiva BK, et al. A thermotropic biaxial nematic liquid crystal. Mol Cryst Liq Cryst. 1988;165:123–130.
  • Praefcke K, Blunk D, Singer D, et al. Design of low-molar mass thermomesogens in the search for biaxial nematic liquid crystals. Mol Cryst Liq Cryst. 1998;323:231–259.
  • Levelut AM. Structures of mesophases of disc-like molecules. J Chim Phys Phys-Chim Biol. 1983;80:149–162.
  • Ohta K, Muroki H, Takagi A, et al. Discotic liquid crystals of transition metal complexes, 3: the first-established discotic lamellar phase in bis[1,3-di(p-n-alkoxyphenyl)propane-1,3-dionato]copper(II). Mol Cryst Liq Cryst. 1986;140:131–152.
  • Sakashita H, Nishitani A, Sumiya Y, et al. X-ray diffraction study on discotic lamellar phase in bis(1,3-di(p-nalkoxyphenyl)propane-1,3-dionato)copper(II). Mol Cryst Liq Cryst. 1988;162:211–219.
  • Ribiero AC, Martins AF, Giroud AM. Evidence of a smectic phase of disc-like molecules. Mol Cryst Liq Cryst Lett. 1988;5:133–139.
  • Mori A, Yokoo M, Hshimoto M, et al. Lamellar columnar phase induced by rod-like 1,3-diazaazulene derivatives. Proc Jap Liq Cryst Conf. 2003:155-156, ibid. J Am Chem Soc. 2003;125:6620–6621.
  • Saez IM, Goodby JW. Supermolecular liquid crystals. J Mater Chem. 2005;15:26–40.
  • Saez IM, Goodby JW. Supermolecular liquid crystals. In: Mingos DMP, Kato T, editors. Liquid crystalline functional assemblies and their supramolecular structures, structure and bonding. Vol. 128. Berlin Heidelberg: Springer-Verlag; 2008. p. 1–62.
  • Saez IM, Goodby JW. “Janus” supermolecular liquid crystals – giant molecules with hemispherical architectures. Chem Eur J. 2003;9:4869–4877.
  • Saez IM, Goodby JW. Design and properties of Janus supermolecular liquid crystals. Chem Commun. 2003;1726–1727.
  • Leadbetter AJ. Structural classification of liquid crystals. In: Gray GW, editor. Thermotropic liquid crystals, critical reports on applied chemistry. Vol. 20. Chichester: Wiley; 1987. p. 1–27.
  • Sigaud G, Hardouin F, Achard MF, et al. A new type of smectic A phase with long range modulation in the layers. J Physique. 1981;42:107–1111.
  • Levelut AM, Tarento RJ, Hardouin F, et al. Number of SmA phases. Phys Rev A. 1981;24:2180–2187.
  • Hardouin F, Levelut AM, Sigaud G. A nomalies of periodicity in some liquid crystalline cyano derivatives. J Physique. 1981;42:71–77.
  • Tinh N-H, Hardouin F, Destrade C, et al. New phase transitions SmC-SmC2 and SmAd-SmC2 in pure mesogens. J Physique Lett. 1982;43:739–744.
  • Goodby JW, Walton CR. Antiphase behaviour in the 4-n-Alkoxybiphenylyl-4ʹ-cyanobenzoates (nOBCB’s). Mol Cryst Liq Cryst. 1985;122:219–239.
  • Gray GW, Goodby JW. Smectic liquid crystals - textures and structures. Leonard Hill, Glasgow and London, 1984, 220.
  • Hardouin F, Tinh N-H, Achard MF, et al. A new thermotropic smectic phase made of ribbons. J Physique Lett. 1982;43:327–331.
  • Bradbury CK. Liquid crystals based on unusual molecular architecture. PhD thesis, University of York 2012.
  • Szydlowska J, Mieczkowski J, Matraszek J, et al. Bent-core liquid crystals forming two- and three-dimensional modulated structures. Phys Rev E. 2003;67:031702.
  • Takezoe H T, Takanishi Y. Bent-core liquid crystals: their mysterious and attractive World. Jpn J Appl Phys. 2006;45:597–625.
  • Pelz K, Weissflog W, Beimeister U, et al. Various columnar phases formed by bent-core mesogens. Liq Cryst. 2003;30:1151–1158.
  • Sadashiva BK. Liquid crystals of cent-core compounds. India-UK Science Network. Recent trends in liquid crystal research. Department of Chemistry, University of York UK. 2007 July.
  • Umadevi S, Sadashiva BK, Shreenivasa Murthy HN, et al. Mesogenic dimers composed of bent-core molecules with flexible alkylene spacer. Soft Matter. 2006;2:210–214.
  • Umadevi S, Sadashiva BK. Liquid crystalline properties and dependence of transition temperatures on the length of the flexible alkylene spacer of symmetric dimers composed of bent-core units. Liq Cryst. 2007;34:673–681.
  • Dantlgraber G, Diele S, Tschierske C. The first liquid-crystalline dimers consisting of two banana-shaped mesogenic units: a new way for switching between ferroelectricity and antiferroelectricity with bent-core molecules. Chem Commun. 2002;2768–2769. doi:https://doi.org/10.1039/b209106b
  • Kosata B, Tamba GM, Baumeister U, et al. Liquid crystal dimers composed of bent-core mesogenic units. Chem Mater. 2006;18:691–701.
  • Mandle RJ. The nitro group in liquid crystals. PhD thesis, University of York 2012.
  • Mandle RJ, Cowling SJ, Goodby JW. A nematic to nematic transformation exhibited by a rod-like liquid crystal. Phys Chem Chem Phys. 2017;19:11429–11435.
  • Mandle RJ, Cowling SJ, Goodby JW. Rational design of rod-like liquid crystals exhibiting two nematic phases. Chem Eur J. 2017;23:14554–14562.
  • Mandle RJ, Cowling SJ, Goodby JW. Structural variants of RM734 in the design of splay nematic materials. ChemRxiv. 2021. doi:https://doi.org/10.26434/chemrxiv.14269916;
  • Goodby JW. Nano-objects - sculpting and shape in molecular material design. Liq Cryst. 2019;46:1901–1924.
  • Mandle RJ, Cowling SJ, Goodby JW. Structural variants of RM734 in the design of splay nematic materials. Liq Cryst. 2021. doi:https://doi.org/10.1080/02678292.2021.1934740
  • Mertelj A, Cmok L, Sebastián N, et al. Splay nematic phase. Phys Rev. X. 2018;8(1–12):041025.
  • Pleiner H, Brand HR. Spontaneous splay phases in polar nematic liquid-crystals. Europhys Lett. 1989;9:243–249.
  • Chen X, Korblova E, Glaser MA, et al. Polar in-plane surface orientation of a ferroelectric nematic liquid crystal: polar monodomains and twisted state electro-optics. Proc Nat Acad Sci. 2021 Jun;118(22):e2104092118.
  • Sebastián N, Mandle RJ, Petelin A, et al. Electrooptics of mm-scale polar domains in the ferroelectric nematic phase. Liq Cryst. 2021;1–17. doi:https://doi.org/10.1080/02678292.2021.1955417
  • Saha R, Nepal P, Feng C, et al. Multiple ferroelectric nematic phases of a highly polar liquid crystal compound. 2021 April 1. Available from: https://ui.adsabs.harvard.edu/abs/2021arXiv210406520S
  • Cladis PE, Brand HR. Hedgehog-antihedgehog pair annihilation to a static soliton. Phys A. 2003;326:322–332.
  • Cowling SJ, Davis EJ, Mandle RJ, et al. Defect textures of liquid crystals. In: Kwok H-S, Naemura S, Ong HL, editors. Progress in liquid crystal science and technology. Vol. 4. Singapore: World Scientific, series in Liquid Crystals; 2013. p. 49–79.
  • Goodby JW, Waugh MA, Stein SM, et al. Characterization of a new helical smectic liquid crystal. Nature. 1989;337:449–452.
  • Renn SR, Lubensky TC. Abrikosov dislocation lattice in a model of the cholesteric to smectic A transition. Phys Rev A. 1988;38:2132–2147.
  • Goodby JW. Twist grain boundary (TGB) phases. In: Mingos DMP, editor. Structure and bonding - liquid crystals II. Vol. 95. Berlin Heidelberg: Springer, Verlag; 1999. p. 83–147.
  • Goodby JW. Photograph of sculpter by Tony Cragg at Exhibition Road, London. 25 August, 2012.
  • Freidzon Y, Kharitonov AV, Shibaev VP, et al. Thermotropic liquid crystalline polymers – 19. Peculiarities of the liquid crystalline structure of cholesterol-containing polymers. Eur Polym J. 1985;21:211–216.
  • Freidzon Y, Tropsha Y, Tsukruk VV, et al. Features of layer orderliness of cholesterol-containing polymers. Polym Sci (USSR). 1987;29:1505–1511.
  • Gilli JM, Kamayé M. Smectic A-cholesteric transition in a side chain cooligomer-DCE1 blend. A particular confined geometry for the TGB phase? Liq Cryst. 1992;12:545–560.
  • Ribeiro AC, Dreyer A, Oswald L, et al. Columnar and smectic ordering in a TGB A phase. J Phys II (Paris). 1994;4:407–412.
  • Anakkar A, Daoudi A, Buisine J, et al. First observation of a SmC*- SmA-TGB multicritical point in a pure compound. J Teherm Anal. 1994;41:1501–1513.
  • Petit M, Barois P, Nguyen HT. Structural study of the smectic-C twist grain boundary phase (TGBC) under external electric field. J Phys II (Paris). 1996;36:185–190.
  • Navailles L, Barois P, Nguyen HT. X-ray measurement of the twist grain boundary angle in the liquid crystal analog of the Abrikosov phase. Phys Rev Lett. 1993;71:545.
  • Navailles L, Pindak R, Barois P, et al. Structural Study of the Smectic-C twist grain boundary phase. Phys Rev Lett. 1995;74:5224.
  • Isaert N, Navailles L, Barois P, et al. Optical evidence of the layered array of grain boundaries in TGBA and TGBC mesophases. J Phys II France. 1994;4:1501–1518.
  • Meier JG, Nobili M, Carlsson T, et al. Possible model of an antiferroelectric twist grain boundary phase. Phys Rev E. 2007;76:011704.
  • Pramod PA, Madhusudana PR. A three-dimensionally modulated structure in a chiral smectic C liquid crystal. Current Sci. 1997;73:761–765.
  • Ungar G, Percec V, Zuber M. Liquid-crystalline polyethers based on conformational isomerism .20. nematic nematic transition in polyethers and copolyethers based on 1-(4-hydroxyphenyl)-2-(2-R-4-hydroxyphenyl)ethane with R = fluoro, chloro, and methyl and flexible spacers containing an odd number of methylene units. Macromolecules. 1992;25:75–80.
  • Tripathi CSP, Losada-Pérez P, Glorieux C, et al. Nematic-nematic phase transition in the liquid crystal dimer CBC9CB and its mixtures with 5CB: a high-resolution adiabatic scanning calorimetric study. J Phys Rev. 2011;84:041707.
  • Chen D, Porda JH, Hooper JB, et al. Chiral heliconical ground state of nanoscale pitch in a nematic liquid crystal of achiral molecular dimers. Proc Natl Acad Sci USA. 2013;110:15931–15936.
  • Archbold CT, Davis EJ, Mandle RJ, et al. Goodby JW. Chiral dopants and the twist-Bend nematic phase – induction of novel mesomorphic behaviour in an apolar bimesogen. Soft Matter. 2015;11:7547–7557.
  • Mandle RJ, Stevens MP, Goodby JW. Developments in liquid-crystalline dimers and oligomers. Liq Cryst. 2017;44:2046–2059.
  • Matsunaga Y, Hori K, Yoshizawa A, et al. Chiral recognition in the crystal structure of a dichiral mesogen with a unique isotropic mesophase: 2-{4-[(R)-2-fluorohexyloxy]phenyl}-5-{4-[(S)-2-fluoro-2-methyldecanoyloxy]phenyl}pyrimidine. Liq Cryst. 2001;28:1805–1812.
  • Hori K, Matsunaga Y, Yoshizawa A, et al. Diversity in the packing modes of mesogenic diphenylpyrimidines with two chiral centres in their crystal structures: the role of interactions between the pyrimidine rings. Liq Cryst. 2004;31:759–766.
  • Demus D, Gloza A, Hartung H, et al. New thermotropic cubic mesophases. Krist Res und Techn. 1981;16:1445–1451.
  • Demus D, Goodby JW, Gray GW, et al. Recommendations for the use of the code letters G and H for smectic phases. 1980;Mol Cryst Liq Cryst Lett. 56:311–314.
  • De Vries A, Ekachai A, Spielberg N. Why the molecules are tilted in all smectic A phases, and how the layer thickness can be used to measure orientational disorder. Mol Cryst Liq Cryst. 1979;49:143–152.