All Outputs (3)

Surface alignment, anchoring transitions, optical properties, and topological defects in the thermotropic nematic phase of organo-siloxane tetrapodes (2013)
Journal Article
Kim, Y.-K., Senyuk, B., Shin, S.-T., Kohlmeier, A., Mehl, G. H., & Lavrentovich, O. D. (2014). Surface alignment, anchoring transitions, optical properties, and topological defects in the thermotropic nematic phase of organo-siloxane tetrapodes. Molecular crystals and liquid crystals, 540(1), 20-41. https://doi.org/10.1039/C3SM52249K

We address the status of oxadiazole mesogens, C7 and C12, reported to show the biaxial nematic phase, by exploring material aspects (chemical stability, surface anchoring, optical and dielectric properties, topological defects) linked to the type of... Read More about Surface alignment, anchoring transitions, optical properties, and topological defects in the thermotropic nematic phase of organo-siloxane tetrapodes.

Nematic twist-bend phase with nanoscale modulation of molecular orientation (2013)
Journal Article
Borshch, V., Kim, Y. .-K., Xiang, J., Gao, M., Jákli, A., Panov, V. P., Vij, J. K., Imrie, C. T., Tamba, M. G., Mehl, G. H., & Lavrentovich, O. D. (2013). Nematic twist-bend phase with nanoscale modulation of molecular orientation. Nature communications, 4, Article ARTN 2635. https://doi.org/10.1038/ncomms3635

A state of matter in which molecules show a long-range orientational order and no positional order is called a nematic liquid crystal. The best known and most widely used (for example, in modern displays) is the uniaxial nematic, with the rod-like mo... Read More about Nematic twist-bend phase with nanoscale modulation of molecular orientation.

Sound absorption properties of porous composites fabricated by a hydrogel templating technique (2013)
Journal Article
Rutkevicius, M., Mehl, G. H., Paunov, V. N., Qin, Q., Rubini, P. A., Stoyanov, S. D., & Petkov, J. (2013). Sound absorption properties of porous composites fabricated by a hydrogel templating technique. Journal of Materials Research, 28(17), 2409-2414. https://doi.org/10.1557/jmr.2013.194

We have used a hydrogel templating technique followed by the subsequent evaporation of water present to fabricate porous cement and porous PDMS composites, and we have analyzed their sound absorption properties. All experiments were carried out with... Read More about Sound absorption properties of porous composites fabricated by a hydrogel templating technique.