Artykuły (WFTIiMS)
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Verification of onedimensional models describing anisotropy of step growth
(Wydawnictwo Politechnika ŁódzkaLodz University of Technology, 2017)Models that allow to obtain directional dependencies of normal velocity of a straight step on the (001) face of Kossel crystal and its edge free energy are reviewed. The dependencies were considered in a wide range of ... 
Subwavelength high contrast gratings as optical sensing elements
(Wydawnictwo Politechnika ŁódzkaLodz University of Technology, 2017)Subwavelength high contrast gratings (HCG) can be used as high reflective mirrors and can be used as mirrors of verticalcavity surfaceemitting lasers. HCG mirrors can be designed in such a way that they are extremely ... 
Sensitivity of tetracene layer as an effect of entanglement
(Wydawnictwo Politechnika ŁódzkaLodz University of Technology, 2017)Application of the method of quantummechanical calculations allowed for studies of variability of interactions between molecules of ethanol and tetracene. Entanglement of quantum states is seen during calculations in ... 
Influence of tilted surface alignment on flexoelectric domains in twisted nematic layers
(Wydawnictwo Politechnika ŁódzkaLodz University of Technology, 2017)The small deformations induced by electric field in twisted flexoelectric nematic layers were simulated numerically. The onedimensional (i.e. homogeneous over the whole area of the layer) and twodimensional (i.e. ... 
The effect of the dipole moment on hole conductivity of polycrystalline films of two anthracene derivatives
(Wydawnictwo Politechnika ŁódzkaLodz University of Technology, 2017)Hole mobility in the polycrystalline layers of anthrone and anthraquinone differs in one order of magnitude in spite of nearly the same crystalline structure. The origin of this difference was determined with use of the ... 
Current dependence of resistances and capacitances in a verticalcavity surfaceemitting laser
(Wydawnictwo Politechnika ŁódzkaLodz University of Technology, 2017)Based on the model of impedance and modulation time constants for verticalcavity surfaceemitting lasers (VCSELs) we study the resistances and capacitances of an equivalent circuit as a function of the current flowing ... 
Comparative study of the influence of the reorganization energy on the hole transport of two fourcyclic arenes
(Wydawnictwo Politechnika ŁódzkaLodz University of Technology, 2017)Application of the method of quantummechanical calculations allowed the determination of the reorganization energy of the molecules of tetracene and pquaterphenyl and the estimation of the transfer rate integral between ... 
Comparison of methods for simulation of the optical properties of vcsels
(Wydawnictwo Politechnika ŁódzkaLodz University of Technology, 2017)This paper presents the differences arising from the use of scalar (Effective Frequency Method) and vector (Fourier’s and Bessel’s Admittance Methods) calculation methods in optical analysis of arsenide VerticalCavity ... 
Elimination of the impact of rc constant on transient photocurrents measured in organic layers.
(Wydawnictwo Politechnika Łódzka, 2016)We present a calculation method for elimination of the effect of the RC constant of the measuring circuit in the timeofflight (TOF) measurements where a pulse generation of the photocurrent in a thin layer of lowmolecular ... 
The effect of symmetry of a molecule electronic density on the dipole moment of unit cell and hole conductivity of thin polycrystalline films of anthrone and anthraquinone.
(Wydawnictwo Politechnika Łódzka, 2016)The electronic structure of anthrone and anthraquinone molecules in the gas state and in the simulated crystal unit cell were calculated with time dependentdensity functional theory (TDDFT) method. The values of dipole ... 
Study of electrically induced orientational ordering in mineral oils on the example of orlen oil trafo en.
(Wydawnictwo Politechnika Łódzka, 2016)A simple model of orientational ordering of molecules in the liquid under the influence of an applied sinusoidal electric field of low frequency is presented. The predicted theoretical dependencies of linear birefringence ... 
Twodimensional deformations in twisted flexoelectric nematic cells.
(Wydawnictwo Politechnika Łódzka, 2016)Electric field induced deformations occurring in twisted nematic cells filled with liquid crystalline material possessing flexoelectric properties were simulated numerically. The aim of computations was to compare the ... 
Photoenhanced conduction in inhomogeneous thin film space charge limited conducting systems.
(Wydawnictwo Politechnika Łódzka, 2016)Photoenhancement of spacecharge limited currents in deliberately modified thinfilm structures is studied using numerical methods. The obtained results suggest that it should be possible to obtain optically induced ... 
History and achievements of the institute of physics of lodz university of technology.
(Wydawnictwo Politechnika Łódzka, 2016)History and achievements of the Institute of Physics of Lodz University of Technology is briefly presented on occasion of 40 anniversary of the Department of Technical Physics, Information Technology and Applied Mathematics. 
Dielectric properties of ferroelectric liquid crystalline material with chiral nematic phase.
(Wydawnictwo Politechnika Łódzka, 2015)The ferroelectric liquid crystal with nematic N* phase has been investigated using broadband low frequency dielectric spectroscopy. The dielectric relaxation modes related to a ferroelectric Goldstone mode were detected ... 
Analytical kinetic block model of crystalmotherphase multilayer interface.
(Wydawnictwo Politechnika Łódzka, 2015)Simple kinetic block model of multilayer crystalmotherphase interface is proposed. The model leads to a system of differential equations which can be solved without the need to run Monte Carlo simulations. The proposed ... 
Temperature dependence of the Kerr constant of fomblin M03.
(Wydawnictwo Politechnika Łódzka, 2016)The Kerr constant B of perfluoropolyether Fomblin M03 has been determined within the temperature range 295370K. At 300K the constant B was found to be equal to 2.8·1015 m/V2. The measurements indicate that B varies ... 
Application of the machzehnder interferometer to measure the quadratic electrooptic effect in nonpolar liquids.
(Wydawnictwo Politechnika Łódzka, 2015)A modification of MachZehnder interferometer is proposed. It is shown that by introducing an additional time dependent phase shift in one of the interferometer arms, its sensitivity may be significantly increased. The ... 
The impact of aromatic additives on kerr effect in rapeseed oil.
(Wydawnictwo Politechnika Łódzka, 2015)The Kerr constant and quadratic electrooptic effect were determined for a few different rapeseed oils. The aim of the study was to investigate if aromatic additives in the oil influence its optical properties. Moreover, ... 
Adsorption induced hole transport in thin layers of nonordered tetracene.
(Wydawnictwo Politechnika Łódzka, 2015)Additional disorder induced by adsorption processes by the molecule of ambient are responsible for deep modulation of conductivity. Observations confirmed the dominated role of the increase of the free carrier concentration ...