Antal Jakli
Liquid Crystal Institute
Kent State University
Kent, Ohio 44242
Tel: (330) 672-4886
Fax: (330) 672-2796
jakli@lci.kent.edu

 

Present Position

Senior Research Fellow, Liquid Crystal Institute, Kent State University
Principal Investigator, Center for Advanced Liquid Crystalline Optical Materials (ALCOM)
Adjunct Professor, Chemical Physics Interdisciplinary Program, Kent State University

Education

Doctor of Hungarian Academic of Sciences (DSc): 2001, Budapest. Thesis: Ferroelectricity in Liquid Crystals
Habilitation: 1992, Hungarian Academy of Sciences, Budapest; Thesis: "Electric and mechanical behaviour of ferroelectric liquid crystals" (1991)
Ph.D. 1986, Statistical Physics (summa cum laude), Eötvös University, Budapest, Hungary; Thesis: "Behaviour of ferroelectric liquid crystals in external electric fields" (1985),
Master's degree:1983, Physics (summa cum laude), Eötvös University, Budapest; Thesis: " Rotational Brownian motion and dielectric relaxation of nematic liquid crystals" (1983)

Previous Positions

1995-1999: Senior Research Fellow, Research Institute for Solid State Physic of the Hungarian Academy of Sciences, H-1525 Budapest, P. O. Box 49, Hungary
1993-1995: senior research fellow, Max Planck Research Group, Liquid Crystal Systems, Halle/S, Germany
1992-1993: research fellow; Research Institute for Solid State Physics of the Hungarian Academy of Sciences, H-1525 Budapest, P. O. Box 49, Hungary
1989-1992: Research Associate (postdoctoral fellow), Kent State University, Kent, OH, USA
1985-1989: Research Associate; Central Research Institute for Physics, Budapest
1988: Visiting Scientist; Calabria University, Italy

Service to the Physics Community

Refereeing for 'Molecular Crystals and Liquid Crystals', "Phys. Rev. E" and "J. Apl. Phys."
Editing Science Encyclopedia ("Természettudományi Kislexikon", Akadémia, 1989, in Hungarian)
Member of local organizing comettees of Optics of Liquid Crystals' 93 (Siófok, Hungary 1993) and of 15th International Liquid Crystal Conference (Budapest, 1994)
Participation in editing an interactive CD ROM about Liquid Crystals

Scientific Awards

Youth Award of the Central Research Institute for Physics of the Hungarian Academy of Sciencies (1986, 1989)
Provost's Award for International Scholars (Kent State University, 1991)

Earned grants

Hungarian National Research Grants: OTKA T 07443 and T 23102
European INCO Copernicus Grant No. ERBIC15CT960744
Volkswagen Stiftung with Iwan Stransky Institute, Berlin
Research Challange Grant of Ohio Board of Regents (OBR 444233)

CoAdna Photonics, Sponsored Research
 

Professional societies

Hungarian Physical Society
International Liquid Crystal Society
American Association for the Achievement of Science

Research Interest

Physical Properties of Anisotropic Materials
- Electro-mechanical effects, piezoelectricity
- Liquid Crystal-Polymer composite systems
- Ferroelectic and antiferroelectric liquid crystals
- Columnar liquid crystals

Video of a light shutter from a "banana" liquid crystal

Teaching experience

Teaching : at Eötvös University, Budapest: undergraduate coarse on Physics of Liquid Crystals. at the Technical University, Budapest: graduate coarse about Condensed Matter Physics, and Basic physics lab
Kent State University, Dep. Chemical Physics: graduate course on "Physical Properties of Liquid crystals"; Department of Physics: graduate coarse on "Liquid crystal Physics"
Supervising diploma students from Eötvös University, Budapest and PhD students in Max Planck Research Group of Liquid Crystal Systems, Halle
Supervising a Post doctoral fellow and a PhD student in Liquid Crystal Institute, Kent State University

PUBLICATIONS in last 5 years (110 since 1984)


L. Almásy, A. Jákli, L. Rosta and G. Pépy: "Structural Memory Effect in Liquid Crystal Phases Stabilised by Silica Particle Aggregates", Physica B, 241-243, 996-998 (1998)

A. Jákli, M. Müller, D. Krüerke and G. Heppke, "First observation of electromechanical effects in a chiral ferroelectric columnar liquid crystal", Liq. Cryst., 24, 467 (1998)

 K.Fodor-Csorba, A. Jákli, A.Vajda, E. Szabó, L.Bata, G.Galli, S.Holly, E.Gács-Baitz, L.C.Chien "Synthesis And SmC* Properties Of Chiral Liquid Crystalline Terephthalates", Liq. Cryst., 24, 861 (1998)

 A. Jákli, S. Rauch, D. Lötzsch and G. Heppke "Uniform textures of a smectic liquid crystal phase formed by bent-core-molecules", Phys. Rev. E, 57, 6737-6740 (1998)

A. Jákli, "Electromechanical responses of antiferroelectric and ferrielectric liquid crystals", J. Appl. Phys., 85, 1101-1104 (1999)

A. Jákli, Ch. Lischka, W. Weissflog, S. Rauch, G. Heppke, "Layer structures of ferroelectric smectic liquid crystals formed by bent-core-molecules", Mol. Cryst. Liq. Cryst, 328, 299-307 (1999)

G. Pelzl, S. Diele, S. Grande, A. Jákli, CH. Lischka, H. Kresse, H. Schalmfuss, I. Wirth, W. Weissflog, "Structural and electrooptical investigations of the smectic phase of chlorine -substituted banana-shaped molecules" Liq. Cryst., 26, No. 3, 401-413 (1999)

G. Pelzl, S. Diele, A. Jákli, CH. Lischka, I. Wirth, W. Weissflog, "Helical superstructures in a novel smectic mesophase formed by achiral banana-shaped molecules", Liq. Cryst., 26, 135-139 (1999)

M. Mertelj, A. Jákli, M. Copic: "Dynamical behaviors of liquid crystals containing dispersed silica particles near SmA-N and N-I phase transitions", Mol. Cryst. Liq. Cryst., 331, 1941-1948 (1999)

A. Jákli, L. Almássy, S. Borbély, L. Rosta, "Memory of silica aggregates dispersed in smectic liquid crystals: Effect of the interface properties", European Physical Journal B, 10, 509-513 (1999)

I. Jánossy, A. Jákli, G.G. Nair, K.K. Kuldeep, T. Kósa, "Optical Control of the alignment of a liquid crystal in the smectic A phase", Mol. Cryst. Liq. Cryst., 329, 507-516 (1999)

A. Jákli, M. Müller, G. Heppke, "Rheology of a pyramidal liquid crystal", Liq. Cryst., 26, 945-952 (1999)

G. Heppke, A. Jákli, S. Rauch, H. Sawade, "Electric field induced chiral separation in liquid crystals", Phys. Rev. E., 60, 5575-5579 (1999)

M. Giocondo, A. Jákli, A. Saupe, "Tilted smectic layers of a SMC* liquid crystal between homeotropically treated plates", European Physical Journal E, 1, 61-65 (2000)

D. Catalano, M. Cifelli, M. Geppi, C.A. Veracini, A. Jákli, K., Fodor-Csorba, E. Gács-Baitz: "Microscopic organization and tilt angle in smectic A and chiral smectic C phases: characterization and orientational order by 2H NMR and electric polarization measurements". Mol. Cryst. Liq. Cryst., 351. 245.-257 (2000)

A. Jákli, CH. Lischka, W. Weissflog, G. Pelzl, "Textural transformations of a smectic phase with asymmetric banana-shaped molecules", Liquid Crystals, 27, 715-719 (2000)

A. Jákli, I. Jánossy, A. Vajda, "Polymorphic crystalline forms of 8OCB", Liquid Crystals, 27, 1035-1038 (2000)  A. Jákli, CH. Lischka, W. Weissflog, G. Pelzl, S. Rauch, G. Heppke, "Structural transitions of smectic phases formed by achiral bent-core molecules", Ferroelectrics, 243, 239-247 (2000)

A. Jákli, CH. Lischka, W. Weissflog, G. Pelzl, A. Saupe, "Helical filamentary growth in liquid crystals of banana-shaped molecules", Liquid Crystals, 27, 1405-1409 (2000)

A. Vajda, E. Szabó, A. Jákli, L. Bata, K. Fodor-Csorba, “New ferroelectric Mixtures of liquid crystalline a-halogen Carboxylates” Mol. Cryst. Liq. Cryst., 339, 95-110 (2000)

A. Jákli, A. Saupe, "Visco-elastic director rotation of a low molecular weight liquid crystal", Liq. Cryst., 28 (6), 827-831(2001)

A. Jákli, G.G. Nair, C.K. Lee, L.C. Chien, “Electro-disclinic effect in tilted smectic phases of banana-shaped materials” Liq. Cryst.28 (4), 489-494 (2001)

A. Jákli, G.G. Nair, C.K. Lee, L.C. Chien, “Macroscopic chirality of non-chiral liquid crystals”, Phys. Rev. E, 63, 061710-1-5 (2001)

L. A. Nassif, A. Jákli and A.J.Seed “Synthesis and physical properties of thioester liquid crystals that exhibit anti-ferro-anti phase sequencing”, Mol. Cryst. Liq. Cryst., 365, 171-179 (2001)

A. Jákli, T. Kósa, A. Vajda*, E. Benkler*, I. Jánossy*, P. Palffy-Muhoray, „Optically induced periodic structures in Smectic C liquid crystals”, Phys.Rev.E, 63, 011705 (2000)

M.R. Herbert, V. Sonpatki, A. Jakli, A. J. Seed, “Troublesom Alkoxythiophenes-Mesomorphic Behavior and Highly Efficient Synthesis”, Mol. Cryst. Liq. Cryst., 365, 181-188 (2001)

A. Jákli, W. Cao, Y. Huang, C.K. Lee, L-C. Chien, “Ferroelectric lyo-mesophase of banana-shaped molecules”, Liq. Cryst., 28 (8), 1279-1283 (2001)

A. Jákli, D. Krüerke, H. Sawade, G. Heppke, “Evidence for triclinic symmetry in smectic liquid crystals of bent-shape molecules”, Phys. Rev. Lett., 86, (25), 5715-5718 (2001)

K. Wang, A. Jákli, H.Li, Y. Yang, J. Wen, “Synthesis and mesomorphic properties of resorcyl di[4-(4-alkyloxy-2,3-difluorophenyl)ethynyl]benzoate: a novel Achiral antiferroelectric banana-shaped mesogens”, Liq. Cryst., 28, No. 11, 1705-1708 (2001)

Lee CK, Primak A, Jákli A, E.J. Choi, W_C. Zin, L-C. Chien, “Ferroelectric smectic mesophase formed by banana-shaped achiral liquid crystals”, Liq. Cryst.,  28: (9) 1293-1299 (2001)

A. Jákli, D. Krüerke, H. Sawade, L-C. Chien, G. Heppke, “Light shutters from antiferroelectric liquid crystals of bent-shape molecules”, Liq. Cryst., 29, 377-381 (2002)

A. Jákli, G G. Nair, S. Abeygunarartna, R.P. Sun, C.K. Lee, L-C. Chien, “Surface

      effects on liquid crystals of bent-shape molecules”, Ferroelectrics, 276, 135-146 (2002)

K. Fodor-Csorba, A. Vajda, G. Galli, A. Jákli, D. Demus, “Ester-type banana-shaped monomers and their electro-optical investigations”, Macromolecular Chemistry and Physics, 203, 1556-1563 (2002)

A. Jákli, T. Tóth-Katona, T. Scharf, M. Schadt, A. Saupe, “Piezoelectricity of a ferroelectric liquid crystal with glass transition”, Phys. Rev. E., 66, 011701 (2002)

C.V. Yelamaggad*, S. Anitha Nagamani, Geetha G. Nair, D.S. Shankar Rao, S. Krishna Prasad And A. Jakli, “Achiral banana-shaped mesogenic bidentate ligands and their Cu (II) and Pd (II) complexes”, Liq. Cryst., 29, 1181-1185 (2002)

S. Rauch, P. Bault, H. Sawade, G. Heppke, A. Jákli, “Ferroelectric chiral - antiferroelectric racemic liquid crystal phase transition of bent-shape molecules”, Phys. Rev. E, 66, 021706-(1-5) (2002)

M. Y. M. Huang, A. M. Pedreira, O. G. Martins, A. M. Figueiredo Neto, and A. Jákli, “Nanophase segregation of nonpolar solvents in smectic liquid crystals of bent-shape molecules”, Phys. Rev. E, 66, 031708 (2002), also selected for the October 7, 2002 issue of the Virtual Journal of Nanoscale Science & Technology

A. Jákli, G.G. Nair, H. Sawade, G. Heppke, "A bent-shape liquid crystal compound with antiferoelectric triclinic-mono-clinic phase transistion", Liq. Cryst., in print

S. Stojadinovic, A. Adorjan, and S. Sprunt, H. Sawade, A. Jakli, “Dynamics of the nematic phase of a bent core liquid crystal”, Phys. Rev. E., in print

A. Jákli and P. Toledano, “Unusual sequences of tilted smectic phases in liquid crystals of bent-shape molecules”, Phys. Rev. Lett., 89 (27), 275504-1-4 (2002)

Patents

1.) A. Jákli, L.Bata, A. Buka, N. Éber: "Method and apparatus for planar alignment of arbitrary smectic liquid crystals" Hungarian patent, 197 105 (1985.03.19)

2.) L. Bata, N. Éber, A. Jákli: "Electromechanical transducers from ferroelectric liquid crystals", Hungarian patent 200 052 (1986.12.17)

3.) A. Jákli and A. Saupe, "Bistable ferroelectric liquid crystals with anchoring transitions" USA patent No. 5,315,419 (May 24, 1994)

4.) A. Jákli and A. Saupe, "Method of preparing thin liquid crystal films", USA patent No. 5,368,770 (29 November, 1994)

    5.) A. Jákli, D. Krüerke, L-C. Chien, H. Sawade, G. Heppke, “Electro-optical devices from banana-shaped liquid crystals”, EL726086025US. International Publication number: WO 02/34861 A

    Presentations at scientific meetings 

On 43 international conferences 66 posters; 30 oral talks; 15 invited talks.

Invited seminars: 21.

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