2013: Recent submissions

  • Application of optical methods for diagnostics and therapy of dentine caries 
    DICK, S. K.; CHISTYAKOVA, G. G.; TEREKH, A. S.; SMIRNOV, A. V.; ROSENIK, N. I.; SALIMI ZADEKH, M. M. (Tehnica UTM, 2013)
    Experimental data on hemodynamics of dental pulp at different stages of caries treatment are given. The speckle observation of backward scattered light is used as a measurement method. Various statistical characteristics ...
  • Fourier-stokes polarimetry of fields scattered by birefringence biological tissues 
    USHENKO, YU.; ANGELSKY, P.; DUBOLAZOV, A.; KUSHNERICK, L.; BODNAR, L. (Tehnica UTM, 2013)
    The optical model of polycrystalline networks of histological sections of rectum wall is suggested. The results of investigating the interrelation between the values of statistical (statistical moments of the 1st-4th order) ...
  • Self-propelled nanotools drilling into cells and tissues 
    SANCHEZ, Samuel; XI, Wang; SOLOVEV, Alexander; SCHMIDT, Oliver (Tehnica UTM, 2013)
    We designed nanoscale tools in the form of autonomous and remotely guided catalytically and magnetically self-propelled micro- and nanotools. Asymmetrically rolled-up nanotools move in a corkscrewlike trajectory, allowing ...
  • Synthesis of CdSe colloidal quantum dots and quantum transinions under action of low power optical excitation 
    GERU, I. I.; MIRZAC, A. V.; TARABUKIN, A. B. (Tehnica UTM, 2013)
    CdSe colloidal quantum dots were synthesized at low temperature (80-85 0C) on the basis of chemical reactions in colloiodal solutions using tryoctilphosphine (TOP), pure Se, oleic acid and cadmium acetate Cd(CH3COO)2. The ...
  • Nano-Electronics with Particular Reference to Medical Applications 
    HARTNAGEL, Hans (Tehnica UTM, 2013)
    Physical properties of nanometric particles are surprisingly different from volume effects, particularly regarding the semiconducting materials. Organic materials form a very impressive range of nanometric applications, ...
  • Investigations of optical properties of As2S3-Se nanomultilayers 
    ABASHKIN, Vladimir; ACHIMOVA, Elena; KRYSKOV, Tezarii; MESHALKIN, Alexei; PRISACAR, Alexander; TRIDUH, Ghenadii; VLCEK, Miroslav (Tehnica UTM, 2013)
    The chalcogenide glasses are interesting materials for investigation of nanostructural properties possessing unique characteristics which are different from those in oxide and halide glasses, i.e. molecular (low-dimensional) ...
  • Surface Modification of Ti by Chemical Etching and HA Sputtering for Dental Applications 
    BAYTEKIN, M.; GERNGROSS, M.-D.; LI, Q.; VIEBIG, S.; SELHUBER-UNKEL, C.; CARSTENSEN, J.; FÖLL, H.; ADELUNG, R. (Tehnica UTM, 2013)
    This work presents the surface modifications obtained in a two-step chemical etching process consisting of chemical etching and subsequent post etching. The additional post-etching results in an increased cell proliferation ...
  • Synthesis, thin film deposition and optical characterization of epithiopropylcarbazole polymer 
    MESHALKIN, A.; ROBU, S.; PRISACAR, A.; BETS, L.; TRIDUH, G.; ACHIMOVA, E. (Tehnica UTM, 2013)
    Carbazolic copolymer namely epithiopropylcarbazole with glycidyl butyrate have been developed to be used in holographic recording. This paper describes an analysis, from synthesis of the material to its applications, ...
  • Radiation of a point dipole in “spherical semiconductor quantum dot + spherical metal nanoparticle” structure (theory) 
    GERU, Ion; KORBUTYAK, Dmytro; KRYUCHENKO, Yurii (Tehnica UTM, 2013)
    A model is proposed allowing considering radiation of semiconductor quantum dot (QD) in a vicinity of metal nanoparticle (NP) as radiation of an ensemble of unit cells, from which the QD consists. It is shown that each ...
  • Comparative study of porosification in InAs, InP, ZnSe and ZnCdS 
    MONAICO, Eduard; TIGINYANU, Ion; NIELSCH, Kornelius (Tehnica UTM, 2013)
    We report on a comparative study of the pore growth during anodization of a narrow-bandgap III-V compound (InAs), a medium-bandgap III-V one (InP) and wide-bandgap II-VI semiconductors (ZnSe and Zn0,4Cd0,6S). According to ...
  • Landau quantization of two-dimensional heavy holes and acceptor-bound trions auger-recombination lines 
    PODLESNY, Igor V.; MOSKALENKO, Sveatoslav A.; KISELYOV, Anton A.; GHERCIU, Liudmila; LELYAKOV, Igor A. (Tehnica UTM, 2013)
    The Landau quantization of the two-dimensional (2D) heavy holes, its influence on the energy spectrum of 2D magnetoexcitons, as well as their optical orientation are studied. The Hamiltonian of the heavy holes is written ...
  • Making and Using Macroporous p-Type Silicon with Modulated Pore Diameters 
    FÖLL, H.; QUIROGA-GONZÁLEZ, E.; OSSEI-WUSU, E.; CARSTENSEN, J.; AMIRMALEKI, M. (Tehnica UTM, 2013)
    Macropores in Si have many potential uses. For some applications macropores in p-type Si with a defined diameter profile are needed. Producing these pores is more difficult than in n-type Si, where the backside illumination ...
  • LSMO-STO(110) multilayered structure grown by metalorganic aerosol deposition 
    SAPOVAL, Oleg; BELENCHUK, Alexander; CANTER, Valeriu; ZASAVITSKY, Efim; MOSHNYAGA, Vasily (Tehnica UTM, 2013)
    The crystal structure was examined by X-ray analysis including simulation of diffraction and reflection patterns. The magnetotransport properties of superlattice are presented. The critical thickness of (110)-oriented LSMO ...
  • Novel Microcolumn Using a Multi-gated Field Emitter 
    MIMURA, Hidenori; NEO, Yoichiro; AOKI, Toru; YOSHIDA, Tomoya; NAGAO, Masayoshi (Tehnica UTM, 2013)
    Recently, our group has developed four- and fivegated field emitter arrays (FEAs) with an electrostatic lens (einzel lens).1, 2) The five-gated FEA has successfully realized a crossover of the electron beam without any ...
  • Formation and Characterization of Ni Nanostructures in Porous InP - from Crystallites to Wires 
    GERNGROSS, M.-D.; HRKAC, V.; KIENLE, L.; CARSTENSEN, J.; FÖLL, H. (Tehnica UTM, 2013)
    In this work the galvanic formation of Ni crystallites and Ni nanowires with very high aspect ratios (>1000:1) in porous InP is presented. By depositing a dielectric interlayer on the InP pore walls it is possible to produce ...
  • Deposition of Al-Sn nanostructured coatings on aluminum surface using electrospark alloying and their wear resistance under lubricated friction 
    AGAFII, V. I.; YURCHENKO, E. V.; YURCHENKO, V. I.; PETRENKO, V. I.; DIKUSAR, A. I. (Tehnica UTM, 2013)
    Under certain modes of electrospark alloying (ESA) of aluminum surfaces using the Al-Sn tool-electrode (TE), nanostructuring of the manufactured surfaces occurs owing to the formation of SnO2 fibers. Examining the tribological ...
  • Oxide engineering using metalorganic aerosol deposition 
    BELENCHUK, Alexander; HÜHN, Sebastian; JUNGBAUER, Markus; MICHELMANN, Markus; SHAPOVAL, Oleg; ZASAVITSKY, Efim; MOSHNYAGA, Vasily (Tehnica UTM, 2013)
    Metalorganic aerosol deposition is shown to be one of the most promising techniques for the epitaxial growth of structurally perfect transition metal oxide films, superlattices and atomically layered oxides. The basics and ...
  • Magnetic properties and applications of carbon nanotubes filled with Fe3O4 nanoparticles 
    KOPYL, Svitlana; TIMOPHEEV, Andrey; BYSTROV, Vladimir; MAIOROV, Mikhail; BDIKIN, Igor; VALENTE, Manuel A.; MAEVSKIJ, Evgenij; SOBOLEV, Nikolai A.; SOUSA, Antonio C. M. (Tehnica UTM, 2013)
    Ordered arrays of magnetic carbon nanotubes have been obtained by means of non-catalytic chemical vapor deposition, by growing nanotubes inside porous alumina templates and subsequently filling them with Fe3O4 particles. ...
  • Nanocrystalline silicon multilayer structures for optoelectronics 
    KOVAL, Victoria; BOGDAN, Olexandr; YAKYMENKO, Yuriy (Tehnica UTM, 2013)
    In this paper multilayer structures, based on nanocrystalline silicon, were synthesized in order to make use of the solar spectrum more efficiently. For this purpose, silicon thin films with structure, that varies from ...
  • Investigation of PL spectra of porous silicon with inclusions of organic molecules 
    LYTOVCHENKO, V. G.; GORBANYUK, T. I.; SOLNTSEV, V. S.; DAVTIAN, L. L.; DULTSEVA, O. V. (Tehnica UTM, 2013)
    Development of biosensors based on nanostructured solid matrix is actual and promising task. One of the most suitable materials for this purpose is silicon. First, the technology for producing of porous silicon is well ...

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