Taian Beica
Scientific
Researcher 3-st degree

phone:+40-21369 0170 / 199, 148, 178 
Fax    : +40-21369 0177

e-mail: tbeica@infim.ro
http://www.infim.ro/~beica/


Recent positions held and present:
1996-1997: Researcher 3rd degree, Institute of Materials Physics and Technology;

  1997- prezent: Researcher 3rd degree, National Institute of Materials Physics

 

 Research experience

 

Electro-optic effects in nematic and cholesteric liquid crystals

Liquid crystal display manufacturing

Liquid crystal alignment, molecular anchoring, angle measurement.

Dielectric behavior of liquid crystals.

Surface phenomena in liquid crystals
Temperature induced phenomena in lyotropic liquid crystal system

Recently published paper (2008 - 2011)

On the Optical Thickness Dependence of the Electro-Optical Properties of an in-Plane Switching LC Cell ,T. Beica, S. Frunza, I. Zgura, R. Moldovan, A. Dinescu,  J. Optoelectr. Adv. Mater. 8, 558-563 (2008)


Studies on multifunctional textile materials. I. Plasma deposition onto textile materials and onto reference plates,T. Beica, L. C. Nistor, C. Morosanu, L. Frunza, G. E. Stan, I. Zgura, D. Marcov, A. Dorogan, E. Carpus,
J. Optoelectr. Advanced Mater. 10, 2811-2817 (2008)


Dynamics of Cyanophenyl Alkylbenzoate Molecules in a Surface Layer Adsorbed onto Aerosil. I. Cyanophenyl Hexylbenzoate, S. Frunza, A. Schönhals, H. Goering, D. Manaila-Maximean, T. Beica, L. Frunza, R. Moldovan, Mol. Cryst. liq. Cryst. 495, 60-79 (2008)


Specific interactions of nematic liquid crystals for the alignment on substrates, R. Moldovan, T. Beica, I. Zgura, S. Frunza, M. Poterasu, J. Optoelectr. Advanced Mater. Symposia (2009)

 
Composites containing confined n-octyl-cyanobiphenyl: Monomer and dimer species in the surface layer by in situ FTIR spectroscopy, Frunza L, Frunza S, Poterasu M, Beica T, Kosslick, Stoenescu D, Spectrochim.
Acta Part A-Mol. Biomolec. Spectrosc., 72, 248-253, (2009)


Studies on Multifunctional Textile Materials. II. Image Based Analysis and Classic Spectroscopy , T. Beica, L. Frunza, L.C.Nistor, I. Zgura, A.Dorogan, E. Carpus,
Rom. J. Phys., 54, 391-400 (2009)

 

Method, measurement cell and experimental setup for the determination of temperature dependence of optical birefringence of liquid crystals, T. Beica, S. Frunza, I. Zgura, R. Moldovan, A. Dinescu, BREVET RO 122061B1/28.11.2008

 
Temperature dependence of the density of some liquid crystals in the alkyl cyanobiphenyl series, I. Zgura, R. Moldovan, T. Beica, S. Frunza
Cryst. Res. Technol. 44, 883–888 (2009)

 

Involvement of cyan and ester groups in surface interactions of aerosil - cyanophenyl alkylbenzoate systems with high silica density. FTIR and TGDTA investigations, L. Frunza, S. Frunza, I. Zgura, T. Beica, N. Gheorghe, P. Ganea, D. Stoenescu, A. Dinescu, A.Schonhals, Spectrochim. Acta A: Molecular and Biomolecular Spectroscopy, 75, 1228-1235 (2010)

 

Low power laser induced optical nonlinearities in organic molecules, I. Dancus, V.I. Vlad, A. Petris, S. Frunza, T. Beica, I. Zgura, F.A. Nicolescu, V.V. Jerca, D.M. Vuluga, Rom. Rep. Phys.  62,  567-580 (2010)

 

Dynamics of cyanophenyl alkylbenzoate molecules in the bulk and in a surface layer adsorbed onto aerosil. Variation of the lengths of the alkyl chain, S. Frunza, A. Schönhals, L. Frunza, T. Beica, I. Zgura, P. Ganea, D. Stoenescu, Chemical Physics 372, 51-60 (2010)

 

Nanostructured gold layers. I. Deposition by Vacuum evaporation at small angles of incidence, Beica, T., Frunza, S., Zgura, I., Frunza, L., Cotarlan, C., Negrila, C., Vlaicu, A. M., Zaharia, C. N. J. Optoel. Adv. Mater. 12 (2), 347-353 (2010)

 

Nanostructured gold layers. II. Gold deposition onto polystyrene substrate, Zgura, I., Beica, T., Frunza, S., Rasoga, O., Galca, A., Frunza, L., Moldovan, A., Dinescu, M., Zaharia, C.J. Optoel. Adv. Mater. 12 (2), 354-359 (2010)

 

Nanostructured gold layers. III. Functionalization of gold layers obliquely deposited onto polystyrene substrate, Zgura, I., Beica, T., Frunza, S., Frunza, L., Cotirlan-Simioniuc, C., Ungureanu, F., Gheorghe, N., Rasoga, O., Velula, T., Zaharia, C.J. Optoel. Adv. Mater. 12 (8), 1729-1738 (2010)

 
Nanostructured SiOx layers as substrates for liquid crystal local ordering. I. Functionalization to bind Bovine Serum Albumin,
I. Zgura, T. Beica, S. Frunza, L. Frunza, P. Ganea, C. Negrila, F. Ungureanu, A. Nuta, A.-A. Sorescu, I. Bunea, C. N. Zaharia, Optoelectron. Adv. Mater-Rapid Comm. 5, 318-323 (2011).

 

Optically induced birefringence of a p-aminoazobenzene-epoxy resin derivative, T. Beica, I. Zgura, L. Frunza, P. Ganea, S. Frunza, L. Dumitrache, V. Raditoiu, L. Wagner  Roum.Rep. Phys, 63, 2011

 
Radical change of the wetting behavior of ZnO thin films and nanoparticles with the variation of the gas pressure during pulsed laser deposition process , A.C. Popescu, G. Dorcioman, L. Duta, I.N. Mihailescu, G.E. Stan, I. Pasuk, I. Zgura, T. Beica, I. Enculescu, A. Ianculescu, I. Dumitrescu, J. App. Phys accepted 2011

 Awards

1988 Romanian Academy Prize D.Hurmuzescu