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Liquid Crystals, ISSN 0267-8292, 03/2019, Volume 46, Issue 4, pp. 535 - 542
We propose an extension of Frank-Oseen's elastic energy for bulk nematic liquid crystals which is based on the hypothesis that the fundamental deformations allowed in nematic liquid crystals are splay, twist and bend... 
Elasticity | splay-bend nematic | splay-bend-twist nematic | splay-twist nematic | achiral molecules | twist-bend nematic | MATERIALS SCIENCE, MULTIDISCIPLINARY | LIQUID-CRYSTAL DIMERS | CHIRAL-SYMMETRY-BREAKING | CRYSTALLOGRAPHY | CHEMISTRY, MULTIDISCIPLINARY | Phases | Energy | Crystals | Ground state | Stability analysis | Elastic properties | Elastic deformation | Nematic crystals | Liquid crystals
Journal Article
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 10/2018, Volume 115, Issue 44, pp. E10303 - E10312
The response of the nematic twist-bend (N-TB) phase to an applied field can provide important insight into the structure of this liquid and may bring us closer... 
Splay-bend | Twist-bend | Chirality | Polarity | splay–bend | Nematics | twist–bend | splay-bend | nematics | chirality | twist-bend | MULTIDISCIPLINARY SCIENCES | N-TB | LIQUID-CRYSTAL | ELASTIC-CONSTANTS | DIMERS | polarity | Properties | Observations | Electromagnetic fields | Twisted nematic liquid crystal displays | Physics - Soft Condensed Matter | Physical Sciences | PNAS Plus
Journal Article
Journal Article
Physical Chemistry Chemical Physics, ISSN 1463-9076, 2016, Volume 18, Issue 28, pp. 19299 - 19308
.... The terminal rings are linked to pentyl chains as terminal groups. The material exhibits a nematic-nematic transition and a low temperature modulated phase... 
ORDER | BIMESOGENS | TWIST-BEND PHASE | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | MESOGENIC DIMERS | CHEMISTRY, PHYSICAL | N-TB | MOLECULAR THEORY | LIQUID-CRYSTAL DIMER | Elastic constants | Fibres | Instability | Terminals | Nematic | Spacers | Columnar structure | Fibers
Journal Article
Physical chemistry chemical physics : PCCP, ISSN 1463-9076, 07/2016, Volume 18, Issue 28, pp. 19299 - 19308
.... The terminal rings are linked to pentyl chains as terminal groups. The material exhibits a nematic-nematic transition and a low temperature modulated phase... 
Journal Article
Liquid Crystals: A Festschrift in honour of Professor Claudio Zannoni; Guest Editors: Roberto Berardi, Luca Muccioli and Paolo Pasini, ISSN 0267-8292, 12/2018, Volume 45, Issue 13-15, pp. 2341 - 2351
Journal Article
Liquid Crystals: Twist-Bend Nematics and Beyond; Guest Editors: Giampaolo D'Alessandro, Geoffrey R. Luckhurst and Timothy J. Sluckin, ISSN 0267-8292, 01/2017, Volume 44, Issue 1, pp. 127 - 146
Journal Article
Liquid Crystals: Twist-Bend Nematics and Beyond; Guest Editors: Giampaolo D'Alessandro, Geoffrey R. Luckhurst and Timothy J. Sluckin, ISSN 0267-8292, 01/2017, Volume 44, Issue 1, pp. 232 - 243
...) and twist-bend nematic (N TB ) phases and a very large biphasic coexistence range. At the N-N TB transition, we observe the nucleation of highly anisometric N TB droplets which are very similar to the classic smectic A (SmA) bâtonnets... 
smectic-A analogy | Twist-bend nematic | bâtonnets | MATERIALS SCIENCE, MULTIDISCIPLINARY | batonnets | N-TB | CRYSTALLOGRAPHY | ACHIRAL MOLECULES | DIMERS | CHEMISTRY, MULTIDISCIPLINARY | FLOW | SPONTANEOUS SYMMETRY-BREAKING | PHASE | ORIENTATION | LIQUID-CRYSTALS | Anisotropy | Crystallography | Molecular chemistry | Viscosity | Nucleation | Phases | Shape memory alloys | Droplets | Nematic | Symmetry | Soft Condensed Matter | Photonic | Condensed Matter | Optics | Engineering Sciences | Physics
Journal Article
Liquid Crystals, ISSN 0267-8292, 01/2015, Volume 42, Issue 1, pp. 1 - 7
Dimeric compounds forming twist-bend nematic, N tb, phase show unusual optical textures related to the formation of arrays of focal conic defects (FCDs... 
AFM | defects | twist-bend nematic | MATERIALS SCIENCE, MULTIDISCIPLINARY | SURFACE | CRYSTALLOGRAPHY | LIQUID-CRYSTAL | DIMERS | CHEMISTRY, MULTIDISCIPLINARY | Crystal defects | Conics | Surface layer | Arrays | Liquid crystals | Texture | Nematic | Crystal structure
Journal Article
Liquid Crystals: Twist-Bend Nematics and Beyond; Guest Editors: Giampaolo D'Alessandro, Geoffrey R. Luckhurst and Timothy J. Sluckin, ISSN 0267-8292, 01/2017, Volume 44, Issue 1, pp. 147 - 159
The paper reviews assignment of the low-temperature nematic phase observed in simple bimesogenic or dimeric systems based on cyanobiphenyls and difluoroterphenyls to the twist-bend nematic phase, N TB... 
dimers | electroclinic effect | Nematic liquid crystals | flexoelectricity | Twist bend nematic phase | POLYMERS | FLEXIBLE SPACERS | BEHAVIOR | MATERIALS SCIENCE, MULTIDISCIPLINARY | CRYSTALLOGRAPHY | BANANA-SHAPED MOLECULES | CHEMISTRY, MULTIDISCIPLINARY | OLIGOMERS | MESOGENS | ORIENTATION | LIQUID-CRYSTAL DIMERS | COMPUTER-SIMULATION | PROGRESSION
Journal Article
ChemPhysChem, ISSN 1439-4235, 10/2018, Volume 19, Issue 19, pp. 2566 - 2571
.... The grating is formed within the temperature range of the twist bend modulated nematic phase, NTB, without the necessity to pattern the cell surfaces, therefore the modulated nematic phase... 
mesophases | liquid crystals | polarization gratings | spontaneous modulations | twist-bend nematic | SWITCHING PROPERTIES | ALIGNMENT | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | CHEMISTRY, PHYSICAL | DIFFRACTION | LIQUID-CRYSTAL GRATINGS
Journal Article
Liquid Crystals, ISSN 0267-8292, 01/2017, Volume 44, Issue 1, pp. 147 - 159
  The paper reviews assignment of the low-temperature nematic phase observed in simple bimesogenic or dimeric systems based on cyanobiphenyls and difluoroterphenyls to the twist-bend nematic phase, NTB... 
dimers | electroclinic effect | flexoelectricity | Nematic liquid crystals | Twist bend nematic phase | Microscopy | Crystals | X rays | Paper | Birefringence | Nanostructure | Electro-optics | Liquid crystals | Nematic
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 10/2019, Volume 25, Issue 58, pp. 13329 - 13335
The twist‐bend nematic, NTB, phase has been observed for chiral materials in which chirality is introduced through a branched 2... 
liquid crystals | spontaneous symmetry breaking | chirality | twist-bend nematic phase | Transition temperatures | Temperature | Chiral materials | Chirality | Dependence | Birefringence | Elastic properties | Phase transitions
Journal Article
Liquid Crystals: A Festschrift in honour of Professor Claudio Zannoni; Guest Editors: Roberto Berardi, Luca Muccioli and Paolo Pasini, ISSN 0267-8292, 12/2018, Volume 45, Issue 13-15, pp. 2074 - 2085
... ( ), and other homogeneous phases are studied. Besides nematic, chiral twist-bend nematic and cholesteric phases of vanishing global polarization, we find their polar analogues... 
Twist-bend nematic | molecular chirality | cholesteric phase | Landau-de Gennes theory | flexopolarization | MATERIALS SCIENCE, MULTIDISCIPLINARY | CRYSTALLOGRAPHY | LIQUID-CRYSTAL | CHEMISTRY, MULTIDISCIPLINARY | Coupling (molecular) | Polarization | Tensors | Bend properties | Chirality
Journal Article
Liquid Crystals: A Festschrift in honour of Professor Claudio Zannoni; Guest Editors: Roberto Berardi, Luca Muccioli and Paolo Pasini, ISSN 0267-8292, 12/2018, Volume 45, Issue 13-15, pp. 2184 - 2196
Journal Article
Liquid Crystals: Twist-Bend Nematics and Beyond; Guest Editors: Giampaolo D'Alessandro, Geoffrey R. Luckhurst and Timothy J. Sluckin, ISSN 0267-8292, 01/2017, Volume 44, Issue 1, pp. 45 - 57
Journal Article
Liquid Crystals: Twist-Bend Nematics and Beyond; Guest Editors: Giampaolo D'Alessandro, Geoffrey R. Luckhurst and Timothy J. Sluckin, ISSN 0267-8292, 01/2017, Volume 44, Issue 1, pp. 191 - 203
Journal Article