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Liquid Crystals Volume 28, 2001 - Issue 10
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Original Articles

Unsymmetrical trimesogens exhibiting the undulated twist grain boundary (UTGBC*) mesophase

C. V. Yelamaggad
,
S. Anitha Nagamani
,
U. S. Hiremath
,
D. S. Rao
&
S. Krishna Shankar Prasad
Pages 1581-1583 | Received 15 Oct 2001, Published online: 06 Aug 2010

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Mei-Ling Low, Yew-Hong Ooi & Guan-Yeow Yeap. (2021) Glassy nematogenic properties induced by six-membered ring’s trimeric fluorinated Schiff base liquid crystals. Phase Transitions 94:12, pages 986-993.
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Hao-Zhou Huang, Yue-Hua Cong, An Du, Bing Hu & Bao-Yan Zhang. (2021) Liquid crystalline dimers containing a cholesteryl group: chiral smectic phases and TGBA* phase. Liquid Crystals 48:12, pages 1733-1749.
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Haozhou Huang, Yuehua Cong, Bing Hu & Baoyan Zhang. (2021) Liquid-crystalline dimers containing cholesteryl groups and azobenzene moieties with branched allyl chain: synthesis and properties. Liquid Crystals 48:4, pages 564-578.
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Xuenan Zong, Zhiming Fang & Changcheng Wu. (2018) Synthesis and mesomorphic properties of a series of dimers derived from thioether-terminated and cholesteryl. Liquid Crystals 45:12, pages 1844-1853.
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Yew-Hong Ooi & Guan-Yeow Yeap. (2018) λ-Shaped liquid crystal trimers with dual terminal cholesteryl moieties: synthesis and concomitant of N*, SmA and cholesteric glassy phases. Liquid Crystals 45:2, pages 204-218.
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Faridah Osman, Guan-Yeow Yeap, Nobuyuki Maeta, Masato M. Ito, Chien-Ming Lin & Hong-Cheu Lin. (2017) Phase transitional behaviour of S-shaped oligomers incorporating biphenylene and cholesterol entities. Liquid Crystals 44:5, pages 822-832.
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Wan-Li He, Xin Wang, Zhou Yang, Dong Wang & Hui Cao. (2016) Effect of the dimeric H-bonded mesogens of chiral acids on the mesogenic and optical properties. Liquid Crystals 43:7, pages 874-885.
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DipikaDebnath Sarkar, Rahul Deb, Nirmalangshu Chakraborty, Golam Mohiuddin, RahulKanti Nath & V.S.Rao Nandiraju. (2013) Cholesterol-based dimeric liquid crystals: synthesis, mesomorphic behaviour of frustrated phases and DFT study. Liquid Crystals 40:4, pages 468-481.
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K.C. Majumdar, PranabK. Shyam, D.S. Shankar Rao & S. Krishna Prasad. (2012) Oxadiazole-based non-symmetric liquid crystalline trimers terminating with ferrocene and cholesterol units exhibiting TGBC* phase over a wide thermal range. Liquid Crystals 39:9, pages 1117-1123.
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A.S. Achalkumar, U.S. Hiremath, D.S. Shankar Rao & C.V. Yelamaggad. (2011) Non-conventional liquid crystals: synthesis and mesomorphism of non-symmetric trimers and tetramers derived from cholesterol. Liquid Crystals 38:11-12, pages 1563-1589.
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Toby Donaldson, PeterA. Henderson, Marie France Achard & CorrieT. Imrie. (2011) Non-symmetric chiral liquid crystal trimers. Liquid Crystals 38:10, pages 1331-1339.
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K. C. Majumdar, S. Ponra & S. Chakravorty. (2010) Synthesis and Characterization of Cholesterol-Based Tetramers. Molecular Crystals and Liquid Crystals 528:1, pages 113-119.
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Xibing Zhan, Xiaoping Jing & Changcheng Wu. (2009) Synthesis and mesomorphic properties of a novel series of cholesterol-based liquid crystalline tetramers. Liquid Crystals 36:12, pages 1349-1354.
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N. Nagappa, J. Mahadeva, S. Mohyeddine, C. V. Yalemaggad, S. Anitha Nagami, UmaS. Herimath, D. Revannasiddaiah & M. V. Krishnaswamy. (2009) TGB Phases in the Binary Mixtures of Nematic and Cholesteric Compounds. Molecular Crystals and Liquid Crystals 508:1, pages 242/[604]-248/[610].
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CorrieT. Imrie, PeterA. Henderson & Guan-Yeow Yeap. (2009) Liquid crystal oligomers: going beyond dimers. Liquid Crystals 36:6-7, pages 755-777.
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Guan-Yeow Yeap, Tiang-Chuan Hng, Wan Ahmad Kamil Mahmood, Ewa Gorecka, Daisuke Takeuchi & Kohtaro Osakada. (2009) Chirality-Induced Liquid Crystalline Properties of Seven-Ring Trimeric Mesogens Incorporating Dual Chiral Centers. Molecular Crystals and Liquid Crystals 506:1, pages 109-133.
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Guan-Yeow Yeap, Tiang-Chuan Hng, Wan Ahmad Kamil Mahmood, Ewa Gorecka, Daisuke Takeuchi & Kohtaro Osakada. (2008) Novel Nonsymmetric Trimeric Liquid Crystals Exhibiting Glassy Nematic State at Low Temperatures. Molecular Crystals and Liquid Crystals 487:1, pages 135-152.
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Toshio Itahara & Hisashi Tamura. (2007) Comparison of Liquid-Crystalline Properties of Symmetric and Nonsymmetric Liquid Crystal Trimers. Molecular Crystals and Liquid Crystals 474:1, pages 17-27.
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AntoniusT. M. Marcelis, Marcel Giesbers & Arie Koudijs. (2007) Spacer length dependence of TGBC* and SmA phases in cholesteryl and dihydrocholesteryl‐containing trimer liquid crystals. Liquid Crystals 34:7, pages 811-817.
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Ravindra Dhar. (2006) Twisted-grain-boundary (TGB) phases: nanostructured liquid-crystal analogue of Abrikosov vortex lattices . Phase Transitions 79:3, pages 175-199.
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PeterA. Henderson & CorrieT. Imrie. (2005) Liquid crystal tetramers: influence of molecular shape on liquid crystal behaviour. Liquid Crystals 32:11-12, pages 1531-1541.
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V. Manjuladevi & N. V. Madhusudana. (2005) High pressure studies on a binary mixture exhibiting two TGB phases. Liquid Crystals 32:8, pages 1071-1076.
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Peter A. Henderson & Corrie T. Imrie. (2005) Non‐symmetric liquid crystal trimers. Liquid Crystals 32:6, pages 673-682.
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Peter Henderson, Andrew Cook & Corrie Imrie. (2004) Oligomeric liquid crystals: From monomers to trimers. Liquid Crystals 31:11, pages 1427-1434.
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Antonius T. M. Marcelis$suffix/text()$suffix/text(), Arie Koudijs, Zbigniew Karczmarzyk & Ernst J. R. Sudhölter. (2003) Cholesterol-containing liquid crystal dimers with ether linkages between the spacer and mesogenic units . Liquid Crystals 30:11, pages 1357-1364.
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Articles from other publishers (21)

Santanu Chakravorty & Soumen Saha. (2022) Playing with Liquid Crystals: A Short Review. Oriental Journal Of Chemistry 38:4, pages 801-821.
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Haozhou Huang, Yuehua Cong, An Du, Bing Hu, Jun Li & Baoyan Zhang. (2022) Liquid crystalline dimers containing a cholesteryl group: Chiral smectic phases, and re-entrant TGBA* phase. Journal of Molecular Liquids 346, pages 117920.
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Madhu Babu Kanakala & Channabasaveshwar V. Yelamaggad. (2021) Exceptionally Wide Thermal Range Enantiotropic Existence of a Highly Complex Twist Grain Boundary Phase in a Pure, Single-Component Liquid Crystal Chiral Dimer. ACS Omega 6:17, pages 11556-11562.
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Anand Sandy Subala, Kalaiselvi Velayutham Anand, Arockiasamy Ajay Praveenkumar & R. Ganapathi Raman. (2021) Synthesis and characterization of liquid crystal compounds based on azo group. Materials Today: Proceedings 45, pages 3042-3046.
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Guan-Yeow Yeap, Faridah Osman, Nobuyuki Maeta, Masato M. Ito, Chien-Min Lin & Hong-Cheu Lin. (2017) Unveiling the influence of inner spacer length of the non-linear S-shaped chiral oligomers on liquid crystalline phase. Journal of Molecular Liquids 236, pages 1-8.
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Corrie T. Imrie & Geoffrey R. Luckhurst. 2014. Handbook of Liquid Crystals. Handbook of Liquid Crystals 1 74 .
Edward J. Davis & John W. Goodby. 2014. Handbook of Liquid Crystals. Handbook of Liquid Crystals 1 34 .
Ammathnadu S. Achalkumar, Doddamane S. Shankar Rao & Channnabasaveshwar V. Yelamaggad. (2014) Non-symmetric dimers comprising chalcone and cholesterol entities: an investigation on structure–property correlations. New J. Chem. 38:9, pages 4235-4248.
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John W. Goodby, Isabel M. Saez & Stephen J. Cowling. 2012. Supramolecular Chemistry. Supramolecular Chemistry.
G. Shanker & C. V. Yelamaggad. (2012) Synthesis and thermal behavior of chiral dimers: occurrence of highly frustrated and cholesteric liquid crystal phases. New Journal of Chemistry 36:4, pages 918.
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Tze-Nee Chan, Guan-Yeow Yeap, Wan-Sinn Yam, Karolina Madrak, Anna Zep, Damian Pociecha & Ewa Gorecka. (2012) A crossover from rod-shaped to bent-shaped in symmetric isoflavone liquid crystal trimers exhibiting unusual mesomorphic behaviour. Journal of Materials Chemistry 22:22, pages 11335.
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Uma S. Hiremath, Girija M. Sonar, D. S. Shankar Rao & C. V. Yelamaggad. (2011) Wide thermal range frustrated liquid crystal phase in chiral dimers. Journal of Materials Chemistry 21:12, pages 4064.
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K. C. Majumdar, Pranab K. Shyam, D. S. Shankar Rao & S. Krishna Prasad. (2011) Occurrence of unusually wide thermal range enantiotropic twist grain boundary TGBC* phases in unsymmetrical cholesterol and oxadiazole based liquid crystalline dimers. J. Mater. Chem. 21:2, pages 556-561.
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Channabasaveshwar V. Yelamaggad & V. Padmini Tamilenthi. (2009) Synthesis and thermal properties of liquid crystal trimers comprising cyanobiphenyl and salicylaldimine anisometric segments. Tetrahedron 65:32, pages 6403-6409.
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K.C. Majumdar, S. Chakravorty, N. Pal & Nandiraju V.S. Rao. (2009) Synthesis and thermal behavior of chiral oligomers derived from cholesterol. Tetrahedron 65:1, pages 152-157.
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Atsushi Yoshizawa. (2008) Unconventional liquid crystal oligomers with a hierarchical structure. Journal of Materials Chemistry 18:25, pages 2877.
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Isabel M. Saez & John W. Goodby. 2008. Liquid Crystalline Functional Assemblies and Their Supramolecular Structures. Liquid Crystalline Functional Assemblies and Their Supramolecular Structures 1 62 .
Channabasaveshwar V. Yelamaggad, Indudhara Swamy Shashikala & Quan Li. (2007) Liquid Crystal Trimers Composed of Banana-Shaped and Rodlike Anisometric Segments: Synthesis and Characterization. Chemistry of Materials 19:26, pages 6561-6568.
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Corrie T. Imrie & Peter A. Henderson. (2007) Liquid crystal dimers and higher oligomers: between monomers and polymers. Chemical Society Reviews 36:12, pages 2096.
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Corrie T Imrie & Peter A Henderson. (2002) Liquid crystal dimers and oligomers. Current Opinion in Colloid & Interface Science 7:5-6, pages 298-311.
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John W Goodby. (2002) Twist grain boundary and frustrated liquid crystal phases. Current Opinion in Colloid & Interface Science 7:5-6, pages 326-332.
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