Representative Publications

Books authored and edited
M. Kleman, O.D. Lavrentovich, Soft Matter Physics: An Introduction, pp. 668, Springer Verlag: New York, (2003).

O.D. Lavrentovich, P. Pasini, C. Zannoni, S. Zumer, Defects in Liquid Crystals: Computer Simulations, Theory and Experiment Kluwer Academic Publishers: The Netherlands (2001).

Chapters in books written

Dislocations and Disclinations in Mesomorphic Phases, M. Kleman, O.D. Lavrentovich, and Yu.A. Nastishin, Chapter 66, p. 147-271, in: Dislocations in Solids, Volume 12, Edited by F.R.N. Nabarro a nd J .P. Hirth (ISBN: 0-444-51483-X), Elsevier Sciences B.V. (2004)

Defects in Liquid Crystals: Surface and Interfacial Anchoring Effects, O.D. Lavrentovich, In: Patterns of Symmetry Breaking, H. Arodz, J. Dziarmaga, and W.H. Zurek (eds.), NATO Science Series, II. Mathematics, Physics, and Chemistry, vol. 127, Kluwer Academic Publishers, Dordrecht, the Netherlands, pp. 161-195 (2003). [PDF]

O.D. Lavrentovich, “Fluorescence Confocal Polarizing Microscopy: Three-Dimensional Imaging of the Director,” in Liquid Crystals and Other Soft Materials, B.K. Sadashiva, Ed., Indian Acad. Sci., Tholasi Prints India: Bangalore, reprinted from Pramana - Journal of Physics 61, No.2, 373-384 August (2003).

T. Ishikawa, O.D. Lavrentovich, “Quantitative Aspects of Defects in Nematics,” in Physical Properties of Liquid Crystals: Nematics, D.A. Dunmur, A. Fukuda, G.R. Luckhurst, Eds., EMIS Data Reviews Series; No. 25, INSPEC, The Institution of Electrical Engineers: London, UK, pp. 242-250 (2001). [PDF]

O.D. Lavrentovich, M. Kleman, “Defects and Topology of Cholesteric Liquid Crystals,” in Chirality in Liquid Crystals, 5, Springer Verlag: New York (2001). [PDF]

S.V. Shiyanovskii, I.I. Smalyukh, O.D. Lavrentovich, “Computer Simulations and Fluorescence Confocal Polarizing Microscopy of Structures in Cholesteric Liquid Crystals,” in Defects in Liquid Crystals: Computer Simulations, Theory and Experiment, O.D. Lavrentovich, P. Pasini, C. Zannoni, S. Zumer, Eds., pp.229-270, Kluwer Academic Publishers: The Netherlands (2001). [PDF]

T. Ishikawa, O.D. Lavrentovich, “Defects and Undulations in Layered Liquid Crystals,” in Defects in Liquid Crystals: Computer Simulations, Theory and Experiment, O.D. Lavrentovich, P. Pasini, C. Zannoni, S. Zumer, Eds., pp. 271-301, Kluwer Academic Publishers: The Netherlands (2001). [PDF]

O.D. Lavrentovich, “Nematic Liquid Crystals: Defects,” in Encyclopedia of Materials: Science and Technology, Elsevier Science Ltd., p. 6071-6076 (2001). [PDF]

O.D. Lavrentovich, V.M. Pergamenshchik “Patterns and Divergence ("surface-like") Elasticity in Thin Liquid Crystalline Films,” Liquid Crystals In the Nineties and Beyond, S. Kumar, Ed, pp. 251-299, World Scientific: Singapore, and in article, Int.J.Mod.Phys. B, 9, No.18-19, 2389-2437 (1995). [PDF]

Ph. Boltenhagen, M. Kleman, O.D. Lavrentovich, “Focal Conic Domains in Smectics,” in Soft Order in Physical Systems, Y. Rabin, R. Bruinsma, Eds., p.5-32, Plenum Press: New York, (1994).

Publications in refereed journals

Mingxia Gu, Sergij V. Shiyanovskii, and Oleg D. Lavrentovich, Polarity-Dependent Dielectric Torque in Nematic Liquid Crystals, Phys. Rev. Lett. 100, 237801 (2008). [PDF]

S.V. Shiyanovskii, A. B. Golovin, Ye Yin, O.D. Lavrentovich, "Effects of Dielectric Relaxation on the Dynamics and Dielectric Heating of Nematic Liquid Crystals, Mol. Cryst. Liq. Cryst., 480, 111-128 (2008). [PDF]

Mingxia Gu, Ye Yin, S.V. Shiyanovskii, and O.D. Lavrentovich, Effects of dielectric relaxation on the director dynamics of uniaxial nematic liquid crystals, Phys. Rev. E. 76, 061702 (2007). [PDF]

K. V. Kaznatcheev, P. Dudin, O.D. Lavrentovich, A.P. Hitchcock, X-ray microscopy study of chromonic liquid crystal dry film texture, Phys. Rev. E. 76, 061703 (2007). [PDF]

Brian G. Saar, Heung-Shik Park, X. S. Xie, and Oleg D. Lavrentovich, Three-dimensional imaging of chemical bond orientation in liquid crystals by coherent anti-Stokes Raman scattering microscopy, Optics Express 15, 13585-13596 (2007). [PDF]

O.P. Pishnyak, S. Tang, J.R. Kelly, S.V. Shiyanovskii, O.D. Lavrentovich, Levitation, Lift and bidirectional motion of colloidal particles in an electrically-driven nematic liquid crystal, Phys. Rev. Lett. 99, 127802 (2007). [PDF]

D.K. Yoon, M.C. Choi, Y.H. Kim, M.W. Kim, O.D. Lavrentovich and H.T. Jung, Internal structure visualization and lithographic use of periodic toroidal holes in liquid crystals, Nature Materials 6, 866-870 (2007). [PDF]

O.P. Boiko, R.M. Vasyuta, V.G. Nazarenko, V.M. Pergamenshchik, Yu. A. Nastishin, O.D. Lavrentovich, Polarizing properties of functional optical films based on lyotropic chromonic liquid crystals, Mol. Cryst. Liq. Cryst. 467, 181-194 (2007). [PDF]

L. Tortora, H.-S. Park, K. Antion, D. Finotello, O.D. Lavrentovich, Lyotropic chromonic liquid crystals as materials for optical and biosensing applications, Proceedings of SPIE 6487, p. 6487OI-1-6487OI-15 (2007).

Ye Yin, S.V. Shiyanovskii, and O.D. Lavrentovich, Thermodielectric bistability in dual frequency nematic liquid crystal, Phys. Rev. Lett. 98, 097801 (2007). [PDF]

A.B. Nych, U.M. Ognysta, V.M. Pergamenshchik, B.I. Lev, V.G. Nazarenko, I. Musevich, M. Skarabot, O.D. Lavrentovich, Coexistence of two colloidal crystals at the nematic liquid crystal-air interface, Phys. Rev. Lett. 98, 057801 (2007). [PDF]

O.P. Pishnyak and O.D. Lavrentovich, Electrically controlled negative refraction in a nematic liquid crystal, Appl. Phys. Lett. 89, 251103 (2006) [PDF]

Oleg Pishnyak, Susumu Sato, and Oleg D. Lavrentovich, Electrically tunable lens based on dual-frequency nematic liquid crystal, Appl. Optics 45, 4576-4582 (2006). [PDF]

I.I. Smalyukh, B.I. Senyuk, S.V. Shiyanovskii, O.D. Lavrentovich, A.N. Kuzmin, A.A. Kachynski, P.N. Prasad, Optical trapping, manipulation, and 3D imaging of disclinations in liquid crystals and measurement of their line tension, Mol. Cryst. Liq. Cryst. 450, 279-295 (2006).

V.M. Pergamenshchik, V.Y. Gaivoronsky, S.V. Yakunin, R.M. Vasyuta, V.G. Nazarenko, O.D. Lavrentovich, Hypothesis of dye aggregation in a nematic liquid crystal: From experiment to a model of the enhanced light-director interaction, Mol. Cryst. Liq. Cryst. 454, 145-156 (2006). [PDF]

M. Kleman, O.D. Lavrentovich, Topological point defects in nematic liquid crystals, Phil. Mag. 85, 4117-4137 (2006) [PDF]

Y. Yin, S.V. Shiyanovskii, O.D. Lavrentovich, Electric Heating Effects in nematic liquid crystals, Journal of Applied Physics 100, 024906 (2006).

B.I. Senyuk, I.I. Smalyukh, and O.D. Lavrentovich, Undulations of lamellar liquid crystals in cells with finite surface anchoring near and well above the threshold, Phys. Rev. E 74, 011712 (2006). [PDF]

N. Gheorghiu, I.I. Smalyukh, O.D. Lavrentovich, J.T. Gleeson, Three dimensional imaging of dielectric patterns in electrohydrodynamic convection of a nematic liquid crystal, Phys. Rev. E 74, 041702 (2006).

O.D. Lavrentovich and M. Kleman, Comment on “Structure of Smectic Defect Cores: X-Ray Study of 8CB Liquid Crystal Ultrathin Films” Phys. Rev. Lett. 97, 159801 (2006).

V. M. Pergamenshchik, V. Ya. Gayvoronsky, S.V. Yakunin, R.M. Vasyuta, V.G. Nazarenko, and O.D. Lavrentovich, Enhanced light-induced director reorientation and dye aggregationj in a nematic liquid crystal, Functional Materials 13, 681-686 (2006).

S.L. Helfinstine, O.D. Lavrentovich, and C.J. Woolverton, Lyotropic liquid crystal as a real-time detector of microbial immune complexes, Letters in Appl. Microbiology 43, 27-32 (2006) [PDF]

O. Pishnyak, L. Kreminska, O.D. Lavrentovich, J.J. Pouch, F.A. Miranda, B.K. Winker, Smectic A filled birefringent elements and fast switching twisted dual-frequency nematic cells used for digital light deflection, Optical Engineering 45, 044002 (2006). [PDF]

I.I. Smalyukh, O. Zribi, J. Butler, O.D. Lavrentovich, and G.C.L. Wong, Structure and dynamics of liquid crystalline pattern formation in drying droplets of DNA, Phys. Rev. Lett. 96, 177801 (2006). [PDF]

M. Gu, I.I. Smalyukh, and O.D. Lavrentovich, Directed vertical alignment liquid crystal display with fast switching, Appl. Phys. Lett. 88, 061110, 3 pages, (2006). [PDF]

A. B. Golovin, O. P. Pishnyak, S.V. Shiyanovskii, and O.D. Lavrentovich, Achromatic Linear Polarization Switch for Visible and Near Infrared Radiation Based on Dual-Frequency Twisted Nematic Cell, Proceedings of SPIE 6135, 61350E, 8 pages (2006) [PDF]

A.B. Golovin, S.V. Shiyanovskii, O.D. Lavrentovich, Gradient beam steering device based on nematic cell with continuous ramp of the phase retardation, SPIE 5741, 146-153 (2005). [PDF]

G. Liao, I.I. Smalyukh, J.R. Kelly, O.D. Lavrentovich, and A. Jakli, Electrorotation of colloidal particles in liquid crystals, Phys. Rev. E 72, 031704, 5 pages, (2005). [PDF]

Yu. A. Nastishin, H. Liu, T. Schneider, V. Nazarenko, R. Vasyuta, S.V. Shiyanovskii, and O.D. Lavrentovich, Optical characterization of the nematic lyotropic chromonic liquid crystals: Light absorption, birefringence, and scalar order parameter, Phys. Rev. E 72, 041711 (2005) [PDF]

I.I. Smalyukh, B.I. Senyuk, M. Gu, and O.D. Lavrentovich, Focused Laser Beams and Liquid Crystals: Fast three-dimensional imaging of structures and topological defects, in: Liquid Crystals: Optics and Applications, edited by T.R. Wolinski, M. Warenghem, S.-T. Wu, Proc. SPIE 5947, 594707, 11 pages (2005).

I.I. Smalyukh, B.I. Senyuk, P. Palffy-Muhoray, O.D. Lavrentovich, H. Huang, E.C. Gartland, Jr., V.H. Bodnar, T. Kosa, and B. Taheri, Electric-field-induced nematic-cholesteric transition and three-dimensional director structures in homeotropic cells, Phys. Rev. E 72, 061707 (2005). [PDF]

B.I. Senyuk, I.I. Smalyukh, O.D. Lavrentovich, Switchable two-dimensional gratings based on field-induced layer undulations in cholesteric liquid crystals, Optics Letters, 30, 249-351 (2005). [PDF]

I.I. Smalyukh, A.N. Kuzmin, A.A. Kachynski, P.N. Prasad, and O.D. Lavrentovich, Optical trapping of colloidal particles and measurement of the defect line tension and colloidal forces in a thermotropic nematic liquid crystal, Appl. Phys. Lett. 86, 021913 (2005). [PDF]

S.V. Shiyanovskii, T. Schneider, I.I. Smalyukh, T. Ishikawa, G.D. Niehaus, K.J. Doane, C.J. Woolverton, and O.D. Lavrentovich, Real-time microbe detection based on director distortions around growing immune complexes in lyotropic chromonic liquid crystals, Phys. Rev. E 71, 020702 (R) (2005). [PDF]

C. J. Woolverton, Erin Gustely, L. Li, O.D. Lavrentovich, “Liquid crystal effects on bacterial viability" Liquid Crystals 32, 417-423 (2005).

I.I. Smalyukh, R. Pratibha, N.V. Madhusudana, O.D. Lavrentovich, Selective imaging of 3D director fields and study of defects in biaxial smectic A liquid crystals, European Physics Journal E Soft Matter 16 (2), 179-191 (2005). [PDF]

Tod Schneider, Kateryna Artyushkova, Julia E. Fulghum, L. Broadwater, Ashley Smith, and Oleg D. Lavrentovich, Oriented Monolayers Prepared from Lyotropic Chromonic Liquid Crystal, Langmuir 21(6) 2300-2307 (2005). [PDF]

A. Vella, R. Intartaglia, C. Blanc, I.I. Smalyukh, O.D. Lavrentovich, and M. Nobili, Electric-field-induced deformation dynamics of a single nematic disclination, Phys. Rev. E 71, 061705, 9 pages (2005) [PDF]

Y. Yin, S.V. Shiyanovskii, A. Golovin, O.D. Lavrentovich, Dielectric torque and orientational dynamics of liquid crystals with dielectric dispersion, Phys. Rev. Lett., 95, 087801 (2005). [PDF]

I.I. Smalyukh, O.D. Lavrentovich, A.N. Kuzmin, A.V. Kachynski, and P.N. Prasad, Elasticity-mediated self-organization and colloidal interactions of solid spheres with tangential anchgoring in a nematic liquid crystal, Phys. Rev. Lett. 95, 157801 (2005) [PDF]

O. Yaroschuk, R. Kravchuk, A. Dobrovolskyy, C.D. Lee, P.C. Liu, and O.D. Lavrentovich, The multimode LC alignment on the substrates obliquely treated with a plasma flux, Mol. Cryst. Liq. Cryst. 433, 1-12 (2005)

O. Pishnyak, L. Kreminska, O.D. Lavrentovich, J.J. Pouch, F.A. Miranda, B.K. Winker, Liquid crystal digital beam steering device based on decoupled birefringent deflector and polarization rotator, Mol. Cryst. Liq. Cryst. 433, 279-295 (2005)

S.V. Shiyanovskii, O.D. Lavrentovich, T. Schneider, T. Ishikawa, I.I. Smalyukh, C.J. Woolverton, G.D. Niehaus, K.J. Doane, Lyotropic chromonic liquid crystals for biological sensing applications, Mol. Cryst. Liq. Cryst. 434, 587-598 (2005)

L. Tortora, G. Chidichimo, L. Kreminska, A. Golovin, O.D. Lavrentovich, Electro-optical properties of UV stabilized sub-micron dispersion with low liquid crystal content, Mol. Cryst. Liq. Cryst. 435, 833-893 (2005) [PDF]

I.I. Smalyukh, S. Chernyshuk, B.I. Lev, A.B. Nych, U. Ognysta, V.G. Nazarenko, and O.D. Lavrentovich, Ordered Droplet Structures at the Liquid Crystal Surface and Elastic-Capillary Colloidal Interactions, Phys. Rev. Lett. 93, 117801 (2004). [PDF]

Y.Yin, M. Gu, A.B. Golovin, S.V. Shiyanovskii, and O.D. Lavrentovich, Fast switching optical modulator based on dual frequency nematic cell, Mol. Cryst. Liq. Cryst. 421, 133-144 (2004). [PDF]

Yu. A. Nastishin, H. Liu, S.V. Shiyanovskii, O.D. Lavrentovich, A.F. Kostko, and M.A. Anisimov, Pretransitional fluctuations in the isotropic phase of a lyotropic chromonic liquid crystal, Phys. Rev. E 70, 051706, 9 pages (2004). [PDF]

O. Yaroshchuk, R. Kravchuk, A. Dobrovolskyy, L. Qiu, and O.D. Lavrentovich, Planar and tilted uniform alignment of liquid crystals by plasma treated substrates, Liquid Crystals 31, 859-869 (2004). [PDF]

A.B. Golovin, Y. Yin, S.V. Shiyanovskii, and O.D. Lavrentovich, Fast switching dual frequency liquid crystal optical retarder for beam steering applications, Liquid Crystal Materials, Devices and Applications X and Projections Displays X, Eds. By L.-C. Chien and M.H. Wu, SPIE 5289, pp. 53-62 (2004). [PDF]

O.P. Pishnyak, Yu.A. Nastishin, and O.D. Lavrentovich, Comment on “Self-organized periodic photonic structure in a nonchiral liquid crystal,” Phys. Rev. Lett. 93, 109401 (2004). [PDF]

T. Schneider, A. Golovin, Jong Chan Lee and Oleg D. Lavrentovich, Lyotropic chromonic liquid crystals in aligned films for applications as polarizing coatings, Journal of Information display, The Korean Information Display Society 5, No.2, 27-38 (2004).

I.I. Smalyukh, O.D. Lavrentovich, “Anchoring-Mediated Interaction of Edge Dislocations and a Boundary in a Confined Cholesteric Liquid Crystal,” Phys. Rev. Lett. 90, 085503 (2003) and Virtual Journal of Biological Physics Research 5, No.5, Section Membrane Biophysics, March 1 (2003). [PDF]

S.V. Shiyanovskii, O.D. Lavrentovich, “3D Simulations of Nematic and Cholesteric Liquid Crystals in Complex Geometries,” SID Intnl. Digest Tech. Papers XXXIV, 34, p.664-667 (2003).

O. Yaroshchuk, R. Kravchuk, A. Dobrovolskyy, L. Qiu, O.D. Lavrentovich, “Two Modes of LC Parallel Alignmnet on the Plasma Treated Substrates,” SID Intnl. Digest Tech. Papers XXXIV, 34, p.062-1065 (2003).

A.B. Golovin, S.V. Shiyanovskii, O.D. Lavrentovich, “Fast-Switching Dual-Frequency Liquid Crystal Optical Retarder, Driven by an Amplitude and Frequency Modulated Voltage,” SID Intnl. Digest Tech. Papers XXXIV, 34, Book II, p.1472-1475 (2003). [PDF]

I.I. Smalyukh, R. Pratibha, O.D. Lavrentovich, N.V. Madhusudana, “Free-Standing Films of Twist Grain Boundary TGB(A) and UTGB(C*) Liquid Crystals Studied by Fluorescence Confocal Polarizing Microscopy,” Liquid Crystals, 30, No.8, pp. 877-888 (2003).

O.D. Lavrentovich, “Fluorescence Confocal Polarizing Microscopy: Three-Dimensional Imaging of the Director,” Pramana – Journal of Physics, 61, No.2, 373-384 August (2003). [PDF]

A.B. Golovin, S.V. Shiyanovskii and O.D. Lavrentovich, Fast-Switching Dual-Frequency Liquid Crystal Optical Retarder, Driven by an Amplitude and Frequency Modulated Voltage, Appl. Phys. Lett. 83, p.3864-3866 (2003) [PDF]

Shila Garg, Kirstin Purdy, Erica Bramley (both undergrad. students at the time of research at Physics Dept., The College of Wooster, OH; Purdy is now a PhD student at Brandeis; Bramley (Montbach) received her PhD at Kent State in 2003 and works at Kodak), I. Smalyukh, O.D. Lavrentovich, “Electric-Field Induced Nucleation and Growth of Focal Conic and Stripe Domains in a Smectic a Liquid Crystals,” Liquid Crystals 30, No.12, pp 1377-1390 (2003).

S. Nazzal, I.I. Smalyukh, O.D. Lavrentovich, M.A. Khan “Preparation and in Vitro Characterization of a Eutectic Based Semisolid Self-Nanoemulsified Drug Delivery System (SNEDDS) of Ubiquinone: Mechanism and Progress of Emulsion Formation,” International Journal of Pharmaceutics 235, 247-265 (2002).

D. Voloschenko, O. Pishnyak, S.V. Shiyanovskii O.D. Lavrentovich, “Effect of Director Distortions on Morphologies of Phase Separation in Liquid Crystals,” Phys. Rev. E, 65, 060701 (R) (2002). [PDF]

C. Chiccoli, I. Feruli, O.D. Lavrentovich, P. Pasini, S.V. Shiyanovskii, C. Zannoni, “Topological Defects in Schlieren Textures of Uniaxial and Biaxial Nematics,” Phys. Rev. E 66, 030701 (R) September (2002). [PDF]

I.I. Smalyukh, O.D. Lavrentovich, “Three-Dimensional Director Structures of Defects in Grandjean-Cano Wedges of Cholesteric Liquid Crystals Studied by Fluorescence Confocal Polarizing Microscopy,” Phys. Rev. E 66, 051703 (2002); selected and published in Virtual Journal of Biological Physics Research, 4, No.10, section Membrane Biophysics (2002). [PDF]

T. Schneider, A. Smith, O.D. Lavrentovich, “Imaging Oriented Aggregates of Lyotropic Chromonic Mesogenic Dyes by Atomic Force Microscopy,” Mat. Res. Soc. Symp., 636, D11.8.1-D.11.8.5 (2001).

I.I. Smalyukh, S.V. Shiyanovskii, O.D. Lavrentovich, “Three-Dimensional Imaging of Orientational Order by Fluorescence Confocal Polarizing Microscopy,” Chem. Phys. Lett., 336, No.1-2, pp. 88-96 (2001). [PDF]

T. Ishikawa, O.D. Lavrentovich “Undulations in a Confined Lamellar System with Surface Anchoring,” Phys. Rev. E 63, 030501(R), 4 pages (2001). [PDF]

S.V. Shiyanovskii, D. Voloschenko, T. Ishikawa, O.D. Lavrentovich, “Director Structures of Cholesteric Diffraction Gratings,” Mol. Cryst. Liq. Cryst. 358, 225-246 (2001).

S.V. Shiyanovskii, A. Glushchenko, Yu. Renikov, O.D. Lavrentovich, J.L. West, “Tensor and Complex Representations of Anchoring in Liquid Crystals,” Mol. Cryst. Liq. Cryst., 367, 239-250 (2001).

Y. Reznikov, O. Ostroverkhova, K.D. Singer, J.H. Kim, S. Kumar, O. Lavrentovich, B. Wang, J.L. West, “Comment on "Photoalignment of Liquid Crystals by Liquid Crystals" - Reply - Art. No. 249602,” Phys. Rev. Lett. 87 (24) 249602 (2001).

Y. Reznikov, O. Ostroverkhova, K.D. Singer, J-H. Kim, S. Kumar, O. Lavrentovich, B. Wang, J.L. West, “Photoalignment of Liquid Crystals by Liquid Crystals,” Phys. Rev. Lett. 84, No. 9, 1930-1933 (2000).

T. Sergan, T. Schneider, J. Kelly, O.D. Lavrentovich, “Polarizing-Alignment Layers for Twisted Nematic Cells,” Liquid Crystals 27, No.5, pp. 567—572 (2000). [PDF]

M. Kleman, O.D. Lavrentovich “Curvature Energy of a Focal Conic Domain with Arbitrary Eccentricity,” Phys. Rev. E 61, No.2, 1574-1578 (2000). [PDF]

M. Kleman, O.D. Lavrentovich “Grain Boundaries and the Law of Corresponding Cones in Smectics,” Europhys. Journal E2, 47-57 (2000).

D. Voloschenko, O.D. Lavrentovich “Optical Vortices Generated by Dislocations in a Cholesteric Liquid Crystal,” Optics Letters, 25, No.5, pp. 317-319 (2000).

T. Schneider, O.D. Lavrentovich “Self Assembled Monolayers and Multilayered Stacks of Lyotropic Chromonic Liquid Crystalline Dyes with In-Plane Orientational Order,” Langmuir 16, No.12, pp. 5227-5230 (2000). [PDF]

S.V. Shiyanovskii, A. Glushchenko, Y. Reznikov, O.D. Lavrentovich, J.L. West, “Tensor and Complex Anchoring in Liquid Crystals,” Phys. Rev. E 62, No.2, R1477-R1480 (2000). [PDF]

B. Zalar, O.D. Lavrentovich, H. Zeng, D. Finotello, “Deuteron NMR Investigation of a Photomechanical Effect in a Smectic a Liquid Crystal,” Phys. Rev. E 62, No.2, 2252-2262 (2000). [PDF]

D. Subacius, D. Voloschenko, P. Bos, O.D. Lavrentovich, “Modulated Structures with Electric Field Controlled Direction and Periodicity in SmC* Liquid Crystals,” Liq. Cryst. 26, 295-298 (1999).

Y. Lansac, M.A. Glaser, N.A. Clark, O.D. Lavrentovich, “Photocontrolled Nanophase Segregation in a Liquid-Crystal Solvent,” Nature, 398, No.6722, p.54-57 (1999).

S. Blumenstengel, I. Sokolik, R. Dorsinville, D. Voloschenko, M. He, O. Lavrentovich, L.-C. Chien, “Photo-, and Electroluminescence Studies of 2,5-bis[2’(“-(6-hexoxybenzyl))-1’ethenyl]-3,4-dibutyl triophenes,” Synthetic Metals, 99, pp. 85-90 (1999).

Yu. A. Nastishin, R.D. Polak, S.V. Shiyanovskii, O.D. Lavrentovich, “Determination of Nematic Polar Anchoring from Retardation Versus Voltage Measurements,” Appl. Phys. Lett. 75, No.2, 202-204 (1999). [PDF]

Yu. A. Nastishin, R.D. Polak, S.V. Shiyanovskii, V.H. Bodnar, O.D. Lavrentovich, “Nematic Polar Anchoring Strength Measured by Electric Field Techniques,” J. Appl. Phys. 86, 4199-4213 (1999). [PDF]

D. Voloschenko, O.D. Lavrentovich, “Light-Induced Director-Controlled Microassembly of Dye Molecules from a Liquid Crystal Matrix,” J. Appl. Phys. 86, 4843-4846, (1999). [PDF]

T. Ishikawa, O.D. Lavrentovich, “Dislocation Profile in Cholesteric Finger Texture,” Phys. Rev. E 60, R5037-R5039 (1999). [PDF]

D. Andrienko, D. Fedorenko, E. Ouskova, V. Reshetnyak, Y. Reznikov, S. Slussarenko, D. Voloshchenko, O. Lavrentovich, “Light-Induced Phenomena in Liquid Crystals,” Ukr. Phys. J. 44, 149 (1999).

W.R. Folks, Y.A. Reznikov, S. N. Yarmolenko, O.D. Lavrentovich, “Light-Induced Periodic Lattice of Defects in Smectic A and C Liquid Crystals: Structural and Dynamical Aspects,”, Mol. Cryst. Liq. Cryst, 292, 183-197 (1997) [PDF] and in Dynamics and Defects in Liquid Crystals, A Festschrift in Honor of Alfred Saupe, P. Cladis, P. Palffy-Muhoray, Eds., pp.211-225, Gordon and Breach Science Publ.: Amsterdam, (1998).

V.M. Pergamenshchik, D. Subacius, O.D.Lavrentovich, “K13 - Induced Deformations in a Nematic Liquid Crystal: Experimental Test of the First Order Theory Elasticity,” Mol. Cryst. Liq. Cryst, 292, 25-37 (1997) [PDF] and in Dynamics and Defects in Liquid Crystals, A Festschrift in Honor of Alfred Saupe, P. Cladis, P. Palffy-Muhoray, Eds. pp.25-37, Gordon and Breach Science Publ.: Amsterdam, (1998).

D. Andrienko, Y. Kurioz, Y. Reznikov, C. Rosenblatt, R. Petschek, O. Lavrentovich, D. Subacius “Tilted Photoalignment of a Nematic Liquid Crystal Induced by a Magnetic Field,” J. Appl. Physics 83, No.1, p.50-55 (1998).

T. Ishikawa, O.D. Lavrentovich, “Crossing of Disclinations in Nematic Slabs,” Europhys. Lett., 41, No.2, p. 171-176 (1998). [PDF]

V.G. Nazarenko, R. Klouda, O.D. Lavrentovich, “Unipolar Electro-optic Effect in a Nematic Cell,” Phys. Rev. E 57, No.1, p. R36-R38 (1998). [PDF]

P. Ziherl, D. Subacius, A. Strigazzi, V.M. Pergamenshchik, A.L. Alexe-Ionescu, O.D. Lavrentovich, S. Zumer “Magnetic Field Controlled Optical Phase Retardation in a Hybrid Nematic Cell,” Liq. Cryst. 24, No.4, 607-612 (1998).

O.D. Lavrentovich, D.-K. Yang, “Cholesteric Cellular Patterns with Electric-Field-Controlled Line Tension,” Phys. Rev. E 57, R6269 (1998). [PDF]

W.R. Folks, S. Keast, T.A. Krentzel, B. Zalar, H. Zeng,Yu.A. Reznikov, M. Neubert, S. Kumar, D. Finotello, O.D. Lavrentovich, “Photocontrol of Smectic Spacing,” Mol. Cryst. Liq. Cryst. 320, pp. 77-88 (1998). [PDF]

O.D. Lavrentovich, C. Quilliet, M. Kléman, “Orientational Dependence of the Surface Free Energy of the L(alpha) - L3 Interface,” J. Phys. Chem., B, 101, No.3, pp.420-428 (1997).

O.D. Lavrentovich, T. Ishikawa, E.M. Terentjev, “Disclination Loop in Mori-Nakanishi Ansatz: Role of the Divergence Elasticity,” Mol. Cryst. Liq. Cryst, 299, 301-306 (1997). [PDF]

D. Subacius, P. Bos, O.D. Lavrentovich, “Switchable Diffractive Cholesteric Gratings,” Appl. Phys. Lett. 71, p.1350-1352 (1997). [PDF]

R. Klouda, V.G. Nazarenko, T. Kosa, K.-M. Hsia, O.Lavrentovich, P. Palffy-Muhoray, “Effects in Nematic Cells with Broken Centrosymmetry,” Mol. Cryst. Liq. Cryst., 304, 133-138 (1997). [PDF]

T.A. Krentsel (Lobko), O.D. Lavrentovich, S. Kumar, “In-situ X-ray Measurements of Light-Controlled Layer Spacing in a Smectic-A Liquid Crystal,” Mol. Cryst. Liq. Cryst., 304, 463-470 (1997). [PDF]

C. Chiccoli, O.D. Lavrentovich, P. Pasini, C. Zannoni “Monte Carlo Simulations of Stable Point Defects in Hybrid Nematic Films,” Phys. Rev. Lett., 79, No.22, p. 4401-4404 (1997). [PDF]

D. Subacius, S.V. Shiyanovskii, P. Bos, O.D. Lavrentovich, “Cholesteric Gratings with Field-Controlled Period,” Appl. Phys. Lett,. 71, No. 23, p. 3323-3325 (1997).

D. Subacius, V.M. Pergamenshchik, O.D.Lavrentovich, “Magnetic Field Effects in a Nematic Cell with a High Tilt Angle ("First-Order Theory"),” Mol. Cryst. Liq. Cryst. 288, 129-141 (1996). [PDF]

O.D. Lavrentovich, "Topological defects in dispersed liquid crystals, or words and worlds around liquid crystal drops," presented at the Capri Symposium (1996). [PDF]

A. Sparavigna, O.D. Lavrentovich, A. Strigazzi, “Magnetic Field Effect on Periodic Stripe Domains in Nematic Liquid Crystals,” Phys. Rev. E, 51, 792-795 (1995).

W.R. Folks, Yu.A. Reznikov, L. Chen, A.I. Khizhnyak, O.D. Lavrentovich, “Low-Power Laser Induced Instabilities in Smectic a Liquid Crystals,” Mol. Cryst. Liq. Cryst., 261, 259-270 (1995).

D. Subacius, V.M. Pergamenshchik, O.D. Lavrentovich, “Measurement of Polar Anchoring Coefficient for Nematic Cell with High Pretilt Angle,” Appl. Phys. Lett. 67, p. 214-216 (1995). [PDF]

O.D. Lavrentovich, M. Kléman, V.M. Pergamenshchik, “Nucleation of Focal Conic Domains in Smectic a Liquid Crystals, J. de Phys. II (France), 4, p.377-404 (1994).

V.G. Nazarenko, O.D. Lavrentovich, “Anchoring Transition in a Nematic Liquid Crystal Composed of Centrosymmetric Molecules,” Phys. Rev. E, 49, p. R990-993 (1994). [PDF]

A. Sparavigna, O.D. Lavrentovich, A. Strigazzi, “Periodic Stripe Domains and Hybrid Alignment Regime in Nematic Liquid Crystals. Threshold analysis,” Phys. Rev. E, 49, p.1344-1352 (1994). [PDF]

Z. Li, O.D. Lavrentovich, “Surface Anchoring and Growth Patterns of the Field-Driven First-Order Transition in a Smectic a Liquid Crystal,” Phys. Rev. Lett., 73, 280-283 (1994). [PDF]

Jian-Feng Li, V. Percec, Ch. Rosenblatt, O.D. Lavrentovich, “Biaxiality in a Cyclic Thermotropic Nematic Liquid Crystal,” Europhys. Lett., 25, 199-204 (1994). [PDF]

O.D. Lavrentovich, V.M. Pergamenshchik, “Stripe Domain Phase of a Thin Nematic Film and the K13 Elasticity,”Phys. Rev. Lett., 73, 979-982 (1994). [PDF]

Ph. Boltenhagen, M. Kléman, O.D. Lavrentovich, “Freeze-Fracture Observations in the La Phase of a Swollen Surfactant in the Vicinities of the L3 and L1 Phase Transitions,” J. de Phys. II (France), 4, 1439-1448 (1994).

E. Gorecka, Li Chen, O. Lavrentovich, W. Pyzuk, “X-Ray Studies of Bond Orientational Order in Liquid-Crystalline Orthogonal Hexatic-B Phase.” Europhys. Lett., 27, 507-512 (1994).

V.G. Bodnar, O.D. Lavrentovich and V.M. Pergamenshchik, "Threshold of structural hedgehog-ring transition in droplets of a nematic in an alternating electric field." Zh.Eksp.Teor.Fiz., v.101, 111-125 (1992)/ Sov.Phys.JETP, v. 74, 60-67 (1992). [PDF]

O.D. Lavrentovich, Yu. A. Nastishin, "Optical Bragg Diffraction of the Helical Smectic A Liquid Crystal." Mol. Cryst. & Liq. Cryst., 1992, Vol. 221, pp. 57-60. (1992) [PDF]

P. Boltenhagen, O. Lavrentovich and M. Kleman, "Oily streaks and focal conic domains in L lyotropic liquid crystals". J. Phys. II France, 1, 1233-152. (1991). [PDF]

O.D. Lavrentovich, V.G. Nazarenko, V.M. Pergamenshchik, V.V. Sergan, and V.M. Sorokin, "Surface-polarization electrooptic effect in a nematic liquid crystal". Sov. Phys. JETP 72 (3) 431-444 (1991). [PDF]

A.V. Koval`chuk, M.V. Kurik, O.D. Lavrentovich and V.V. Sergan, "Electrooptical effects in the polymer dispersed nematic liquid crystals: response times." Molec.Cryst. & Liquid Cryst., v.193, p.217-221 (1990). [PDF]

O. Lavrentovich, V. Pergamenshchik and V. Sergan, "Surface polarization and domain structures in thin nematic layers." Molec.Cryst. & Liquid Cryst., v.192, p.239-243 (1990). [PDF]

O. Lavrentovich, T. Marusiy, Yu. Resnikov and V. Sergan, "Testing methods of measurements of liquid crystal-to-solid surface anchoring energy." Mol.Cryst. & Liquid Cryst., v.192, p.75-78 (1990). [PDF]

O.D. Lavrentovich, V.V. Sergan, "Parity-breaking phase transition in a tangentially anchored nematic droplets." Nuovo Cimento, Ser.D - Cond.Matt., v.12, p.1219-1222 (1990). [PDF]

N.M. Golovataya, M.V. Kurik and O.D. Lavrentovich, "Self-organization of polymer dispersed nematic droplets." Liq.Cryst., v.7, p.287-292 (1990). [PDF]

O.D. Lavrentovich and L.N. Tarakhan, Temperature dependence of the surface tension coefficient at the liquid crystal-isotropic fluid interface, Poverkhnost (In Russian with English Abstract) vol. 1, 39-44 (1990) [PDF]

O.D. Lavrentovich and Y.A. Nastishin, Defects in Degenerate Hybrid Aligned Nematic Liquid Crystals, Europhys. Lett., 12 (2), pp.135-141 (1990). [PDF]

O.D. Lavrentovich and V.A. Linev, "Dechiralization of cholesteric liquid crystals due to the action of ionizing radiation". Sov. Phys. Crystallogr. 35(2), pp. 268-271 (1990). [PDF]

O.D. Lavrentovich, Yu. A. Nastishin, V.I. Kulishov, Yu. S. Narkevich, A.S. Tolochko and S.V. Shiyanovskii, "Helical Smectic A". Europhys. Lett., 13 (4), 313-318 (1990). [PDF]

O.D.Lavrentovich, T. Ya. Marusii, Yu.A. Reznikov, and V.V. Sergan, Determination of the anchoring energy in nematic liquid crystal by two independent test methods, Zhurn. Tekh. Fiz., v.59, No.10, p.199-201 (1989) / Sov.Phys.-Tech.Phys., v.34, p.1219-1220(1989).

A.V. Kovalchuk, O.D. Lavrentovich, and V.V. Sergan, Dynamics of electrooptic effects in droplets of a nematic liquid crystal, Pis'ma Zh.Tekh.Fiz., v.15, No. 13, p.78-82 (1989)/ Sov. Tech. Phys. Lett., v.15, p.529-530 (1989).

O.D. Lavrentovich and V.V. Sergan, Phase transition induced by twist in bipolar nematic drops, Ukrainian Fiz.Zhurn., v.34, p.1034-1036 (1989).

A.A. Polishchuk, Yu.G. Antipin, T.V. Timofeeva, O.D. Lavrentovich, A.S. Kotelchuk, L.A. Taraborkin and V.P. Strukov, Structure of crystalline precursors of mesophases. X-ray structural properties of ethoxybenzoates of cholesterol, Kristallografiya, v.33, p.1134-1143 (1988) /Sov.Phys.-Crystallogr., v.33, p.672-677 (1988).

N.S. Pivovarova, I.E. Boldeskul, O.D. Lavrentovich, S.V. Shelyazhenko, and Yu.A. Fialkov, Mesomorphism of fluorinated derivatives of MBBA, Kristallografiya, v.33, p.1460-1463 (1988) /Sov.Phys.-Crystallogr., v.33, p.1460-1463 (1988).

G. Kosinov, O.D. Lavrentovich, V.A. Linjov, G.A. Puchkovskaya, S.Z. Shulga, A.A. Yakubov, On the nature of the irradiated-induced impurities in liquid crystalline cholesterylformiate, Khimiya Vys. Energii, v.22, p.26-30 (1988) / Sov.J.Chemistry of High Energies, v.22, p.26-30 (1988).

A.V. Kovalchuk, O.D. Lavrentovich, and V.V. Sergan, Orientation of axisymmetrical nematic drops by an electric field, Pis'ma Zh.Tekh.Fiz., v.14, p.197-202 (1988) / Sov. Tech. Phys. Lett., v.14, p.87-89 (1988).

O.D. Lavrentovich and S.S. Rozhkov, Strings with boojums at their ends: topological defects of a new type in nematic liquid crystals, Pis'ma Zh. Eksp.Teor.Fiz., v.47, p.210-213 (1988) / JETP Lett., v.47, p.254-258 (1988).

A.V. Kovalchuk, M.V. Kurik, O.D. Lavrentovich and V.V. Sergan, "Structural transformations in nematic droplets in an external electric field." Zhurn.Eksp.Teor.Fiz., v.94, p.350-364 (1988)/ JETP, v.67, p.1065-1073 (1988). [PDF]

O.D. Lavrentovich, "Flexoelectricity of nematic droplets." Pis'ma Zh. Tekh. Fiz., v.14, p.166-171 (1988)/ Sov.Tech.Phys.Lett., v.14, p.73-76 (1988). [PDF]

A.V. Kovalchuk, O.D. Lavrentovich, and V.A. Linev, "Electrical conductivity of irradiated cholesteric liquid crystals." Pis'ma Zh. Tekh. Fiz. 14, 854-858 (1988)/ Sov.Tech.Phys.Lett., v.14(5), p.381-382 (1988). [PDF]

O.D. Lavrentovich and Yu.A. Nastishin, Thermomechanical effect in deformed nematic liquid crystal, Ukrainian Fiz.Zhurn., v.32, p.710-712 (1987).

M.V. Kurik, A.V. Kovalchuk, O.D. Lavrentovich and V.V. Sergan, Electrooptical effect in dispersed nematic droplets, Ukrainian Fiz. Zhurn., v.32, p.1211-1213 (1987).

D.F. Aliev, O.D. Lavrentovich, V.A. Linjov, and N.M. Mamedov, Influence of the irradiation dose on the threshold field for the homeotropic-planar transition in smectic A phase of cholesterylnonanoate, Ukrainian Fiz.Zhurn., v.32, 1220-1222 (1987).

M.V. Kurik, O.D. Lavrentovich, V.A. Linjov, and S.Z. Shulga, Effect of ionizing radiation on the phase diagram of liquid crystals, Zhurn.Fiz.Khim., v.61, p.1634-1639 (1987)/ Russ.J.Phys.Chem.(UK), v.61, No.6, p.851-853 (1987). [PDF]

S.G. Skuridin, N.S. Badayev, O.D. Lavrentovich, and Yu.M. Evdokimov, Directing of the DNA liquid-crystalline structure by using an antracycline and antrakhinone compounds, Dokl. AN SSSR, Ser.Biofiz., v.295, p.,1240-1243 (1987) / Proceed. Ac.Sci.USSR, Ser. Biophys., v.295, p.1240-1243 (1987).

O.D. Lavrentovich, Filling of space by flexible smectic layers, Mol.Cryst. & Liquid Cryst., v.151, p.417-424 (1987). [PDF]

O.D. Lavrentovich, E.M. Terntjev, "Phase transitions altering the symmetry of topological point defects (hedgehogs) in a nematic liquid crystal." Zhurn.Eksp.Teor.Fiz., v.91, p.2084-2096 (1986)/ JETP, v.64, p.1237-1244 (1986). [PDF]

O.D. Lavrentovich, "Hierarchy of defect structures in space filling by flexible smectic A layers." Zhurn.Eksp.Teor.Fiz., v.91, p.1666-1676 (1986)/JETP, v.64, p.984-990 (1986). [PDF]

O.D. Lavrentovich, "Hyperbolic monopole in a smectic C liquid crystal." Pis'ma Zhurn. Eksp.Teor.Fiz., v.43, 297-299 (1986)/ JETP lett., v.43, p.382-385 (1986). [PDF]

O.D. Lavrentovich, Yu.A. Nastishin, "Division of drops of a liquid crystal in the case of a cholesteric-to-smectic A phase transition." JETP Lett., v.40, p.1015-1019 (1984). [PDF]

G.E. Volovik, O.D. Lavrentovich, "Topological dynamics of defects: boojums in nematic drops." Zhurn.Eksp.Teor.Fiz., v85, p.1997-2010 (1983)/JETP, v.58, p.1159-1167 (1983). [PDF]

M.V. Kurik, O.D. Lavrentovich, "Monopole structures and shape of smectic C droplets." Zhurn.Eksp.Teor.Fiz., v.85, p.511-526 (1983)/JETP, v. 58, p.299-307 (1983). [PDF]

M.V. Kurik, O.D. Lavrentovich, "Negative-positive monopole transitions in cholesteric liquid crystals." Pis'ma Zhurn.Eksp.Teor.Fiz., v. 35, 362-365 (1982) / JETP Lett., v.35, p.444-447 (1982). [PDF]


Invited review articles in journals:

How to observe the monopole, M.V. Kurik and O.D. Lavrentovich, Priroda (Nature), No 12, p.55-61 (1986).

Defects in liquid crystals: homotopy theory and experimental studies, M.V. Kurik and O.D. Lavrentovich, Uspekhi Fiz.Nauk, v.154, p. 381-432 (1988)/ Sov.Phys.-Uspekhi, v.31, p.196-224 (1988).

Dispersed nematic liquid crystals: the new type of display, A.V. Kovalchuk, M.V. Kurik and O.D. Lavrentovich, Zarubezhnaya radioelectronika, No 5, p.44-53 (1989).

Defects in liquid crystals: linear and point singularities in nematics, M.V. Kurik and O.D. Lavrentovich, Izv. AN SSSR, Ser.Fiz. 53, 1880-1904 (1989) / Bull.Acad.Sci.USSR, Phys.Ser., v.53, p.22-44 (1989).

Just thin nematic film, O.D.Lavrentovich, Liquid Crystals Today, 2, p.3-4 (1992). [PDF]

Topological Defects in Dispersed Liquid Crystals, or Words and Worlds around Liquid Crystal Drops, O.D. Lavrentovich, presented at the Capri Symposium in Honour of George W. Gray, FRS held at the Hotel Palatium, Capri, 11-14 September 1996, Liq. Cryst. 24, 117-125 (1998). [PDF]

Reviews of books and conferences

The Physics of Liquid Crystals, Second Edition by P.G. de Gennes and J. Prost, Review by O.D. Lavrentovich, Liquid Crystals Today, v.4, No.3, p.7 (1994). [PDF]

Conference on Dynamics and Defects in Liquid Crystals - Honoring Alfred Saupe, O.D. Lavrentovich, Mol. Cryst. Liq. Cryst. v. 292, R7-R11 (1997).

IUPAC Recommendations on Basic Terms Relating to Liquid Crystals
“ Definitions of Basic Terms Relating to Low-Molar-Mass and Polymer Liquid Crystals,” Working Group: C. Noel, V.P. Shibaev, M. Baron, M. Hess, A.D. Jenkins, Jung-Il Jin, A. Sirigu, R.F.T. Stepto, W.J. Work, with contributions from G.R. Luckhurst, S. Chandrasekhar, D. Demus, G.W. Gray, S.T. Lagerwall, O.D. Lavrentovich, M. Schadt, IUPAC Recommendations 2001, Pure and Applied Chemistry 73, No.5, pp.845-895 (2001).

Education
Doctor of Sciences
Physics and Mathematics, Solid State Physics, Institute of Physics, Ukrainian Academy of Sciences, 1984-1990

Ph.D.
Physics and Mathematics, Solid State Physics, Institute of Physics, Ukrainian Academy of Sciences, 1980-1984

Master of Sciences Physics, Kiev State University, Ukraine, 1975-1980

Professional Appointments
Director
Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, July 2004-present

Professor of Chem. Phys.
Chemical Physics Interdisciplinary Program, July 2000-present

Associate Prof., Chem. Phys.
Chemical Physics Interdisciplinary Program, 1994-2000

Visiting Director of Research; Invited Researcher
CNRS (Centre National de la Recherche Scientific, France), Laboratoire de Minéralogie et Cristallographie de Paris, Université Pierre et Marie Curie, France, June 1999, July-Aug. 1996

Invited Professor
Université Denis-Diderot (Paris VII), France, June-Aug.1998, May-June 1997, May-June 1995

Senior Research Fellow; Director of Characterization Facilities
Liquid Crystal Institute, Kent State University, 1992-present

Visiting Researcher
CNRS, Université Paris-Sud, Orsay, France, 1991-1992

Researcher, PhD Advisor
Institute of Physics,
Ukrainian Academy of Sciences, 1980-1990

Professional Record, Awards
2005, Chair of the Gordon Research Conference on Liquid Crystals

2004, International Society of Optical Engineering (SPIE) Fellow (August 2004)

2004-present, Advisor of the Kent State University Materials Research Society Student Chapter

2003-present, e-LC (Electronic Liquid Crystals), Editorial Board Member

2003-present, Physical Review E, Editorial Board Member

2003, Advisor Excellence Award for advising the Kent State University’s SPIE Student Chapter-International Society for Optical Engineering, KSU 25th students honors and leadership awards ceremony, April 21, 2003

2002, NorTech Innovation Award for liquid crystal-based biodetection technology

2002-present, Advisor of the Kent State University SPIE Student Chapter http://dept.kent.edu/spie/

2001, Co-Chair (with S. Kumar-Chair, D. Finotello, E. Mann-co-Chairs) of the Ohio Chapter of the American Physical Society meeting “Physics and Biology,” Kent, Ohio, April 2001.

2001. Contributor to IUPAC Recommendations on Basic Terms in Low-Molar-Mass and Polymer Liquid Crystals, Pure and Applied Chemistry 73, 845-895 (2001).

2001, Co-Organizer (with Ch. Rosenblatt, CWRU) of the ALCOM Symposium “Nanostructured Liquid Crystals,” June 19-20, 2001, Kent.

2000, Co-organizer (with P.Pasini, C. Zannoni, S. Zumer) of Advanced Research Workshop, NATO Science Program, Computer Simulations of Defects in Liquid Crystals, Sept. 19-23, 2000, Erice, Italy.

2000-2003, Associate Editor, Liquid Crystals Today, Taylor and Francis, Newsletters of ILCS

1996-2000, Board of Directors, Membership Secretary of International Liquid Crystal Society

1996, Member of the Organizing Committee of the 16th International Liquid Crystal Conference, Kent, Ohio, June 1996.

1995, Organizer of the Symposium on "Topological Defects in Liquid Crystals" of the Division of Fluid Dynamics, APS March Meeting, March 20, 1995

1994,Oct.-Dec. Participant in the "Display technologies in Belorussia, Ukraine and Russia" World Technology Evaluation Center's (WTEC's) Team

1987, Gold medal of the Ukrainian Academy of Sciences with an Award for a young researcher for the work "Defects of Dirac monopole type in liquid crystals"

Professional Societies
Fellow of SPIE (International Society of Optical Imaging and Engineering), Member of Americal Physical Society, International Liquid Crystal Society, Materials Research Society; Americal Association for the Advancement of Science.

PhD Thesis Advisor
• Vasyl V. Sergan (Electrooptics of dispersed liquid crystals, PhD in Physics and Mathematics, Academy of Sciences, Ukraine, 1989; now Assist. Professor, California State University, Sacramento, CA);

• Yurii A. Nastishin (Equilibrium topological defects in liquid crystals, PhD in Physics and Mathematics, Academy of Sciences, 1990; now Leading Scientist, Ukrainian Institute of Optics, Lviv, Ukraine);

• W. R. Folks (Light induced instabilities and defects in smectic liquid crystals, Physics, KSU, 1995; now Researcher at Univ. of Central Florida; School of Optics/CREOL);

• Vasyl G. Nazarenko (Surface polarization effects in liquid crystals, PhD in Physics and Mathematics, Academy of Sciences, 1998; now Leading Scientist at Institute of Physics, Kiev, Ukraine);

• Tomohiro Ishikawa (Elasticity of defects and structures in uniaxial liquid crystals, Chemical Physics Interdisciplinary Program, KSU, 2000; now Researcher at Motorola);

• Dmitry Voloschenko (Photoinduced aggregation in cholesteric liquid crystals, Chemical Physics Interdisciplinary Program, KSU, 2001; now Researcher at Motorola);

• Ivan Smalukh (Three-dimensional director fields studied by fluorescence confocal polarizing microscopy, Chemical Physics Interdisciplinary Program, KSU, April 1, 2003, now Postdoctoral Fellow at Univ. of Illinois at Urbana Champaign, Illinois);

• Nadina Georgiou (Pattern formation in electrohydrodynamic convection of a nematic liquid crystal Physics, co-advisor with J. T. Gleeson, Physics, KSU, May 2003);

• Tod Schneider, Nanostructuring Chromonic Lyotropic Liquid Crystals, Chemical Physics, May 2005, now Researcher at Kent Displays, Inc.;

• Hui Liu, Optical Characterization of Lyotropic Chromonic Liquid Crystals, defended June 2, 2006

• Ye Yin, Oleg Pishnyak, Bohdan Senyuk, and Mingxia Gu, Heung-Shik Park (all CPIP, in progress)

Background image: Smectic A Batonnets
Copyright photo courtesy of Dr. Mary E. Neubert

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