Articole ştiinţifice: Recent submissions

  • From photonic crystals to metamaterials: new challenges 
    TIGINYANU, I. M. (Institutul de Fizică Aplicată, AŞM, 2006)
    Photonic crystals represent periodic dielectric structures designed to control the flow of electromagnetic radiation. Photonic crystals can be viewed as a subclass of a larger family of material systems called metamaterials ...
  • Superconductivity and ferromagnetism in twisting Bi-Sb interfaces 
    MUNTYANU, F. M.; GILEWSKI, A.; ZALESKI, A. J.; CHISTOL, V.; ROGACKI, K. (Institutul de Fizică Aplicată, 2016)
    The hysteresis loops and temperature dependences of magnetic moment m(T) are studded in large disorientation angle (LDA) twisting interfaces of Bi1-xSbx (0 < x < 0. 2) alloys. They were found one superconducting transition ...
  • Chaos based communications with quantum dots lasers under the influence of multiple feedbacks 
    OLOINIC, T.; RUSU, S.S; TRONCIU, V.Z (Institutul de Fizică Aplicată, 2016)
    It is well known that semiconductor lasers have a great importance in our daily life. We can’t imagine a day without our computer or without sending and receiving messages. Semiconductor lasers have wide applications in ...
  • A method for measuring microwire parameters 
    DOROGAN, Valerian; ZAPOROJAN, Sergiu; MUNTEANU, Eugeniu; LARIN, Vladimir (Institutul de Fizică Aplicată, 2016)
    The most common techniques for measuring microwire geometrical parameters are provided by post manufactory measurements. These techniques are incompatible within automated production of microwire. A specialized meter is ...
  • Interference of birefractive waves in ZnAl2Se4:Co2+ crystal 
    ZALAMAI, V. V.; SYRBU, N. N.; CHESOV, R.; TIRON, A. (Institutul de Fizică Aplicată, 2016)
    The anisotropy of reflection, transmission and wavelength modulated reflection and transmission optical spectra of ZnAl2Se4 crystals doped by cobalt were investigated at 10 and 300 K. Intersections of refractive indices ...
  • Formation of Tetrahedron-Like Pores during Anodic Etching of (100) Oriented n-GaAs 
    LANGA, S.; CARSTENSEN, J.; TIGINYANU, I. M.; CHRISTOPHERSEN, M.; FÖLL, H. (The Electrochemical Society, 2002)
    The morphology of porous layers obtained by electrochemical etching of (100) oriented n-GaAs substrates in an aqueous solution of HCl was studied. At low anodic current densities, up to 5 mA/cm2, pores in the form of ...
  • Template Assisted Formation of Metal Nanotubes 
    TIGINYANU, Ion; URSAKI, Veaceslav; MONAICO, Eduard (Springer International Publishing Switzerland, 2016)
    This chapter provides a review of methods for the production of metal nanotubes and their applications. The importance of nanotemplated growth of nanowires and nanotubes for nanofabrication, and the advantages of nanotubes ...
  • Bi-Sb layers and wires for magneto- thermoelectric applications 
    NIKOLAEVA, A. A.; KONOPKO, L. A.; BODIUL, P. P.; POPOV, I. A.; MOLOSNIK, E. F.; RASTEGAEV, G. M. (Institutul de Fizică Aplicată, AŞM, 2018)
    This study is aimed at increasing the thermoelectric figure of merit ZT to maximize the power factor and minimize the thermal conductivity. In this paper, we present the results of measurements of transport effects in ...
  • Far-field and near-field methods for optic fiber characterization 
    BORSCIOV, V. I. (Institutul de Fizică Aplicată, AŞM, 2018)
    Optical fibers play an important role in modern technologies. They are largely used both in industrial and civil applications: telecommunications, defense and aerospace, test and measurement, automotive, chemical, and ...
  • Optical monitoring of solid electrolites formation in quaternary alloys Ag: AsS3-GeS4 and their analysis 
    TSIULYANU, D.; CIOBANU, M.; STRATAN, I. (Institutul de Fizică Aplicată, AŞM, 2018)
    Quaternary solid electrolytes based on Ag photodoped glasses have been fabricated and studied. The process of fabrication consists of: the synthesize of glassy materials followed by their structural and electrical ...
  • Electrochemical nanostructuring 
    TIGINYANU, I. M. (Institutul de Fizică Aplicată al AŞM, 2012)
    The work represents a review of technological approaches for 2D and 3D nanostructuring of semiconductor compounds by using radiation treatment and electrochemistry. Novel spatial nanoarchitectures based on III-V and II-VI ...
  • Superimposed diffraction gratings formed by e-beam recording in chalcogenide films 
    ANDRIESH, A. M.; AKIMOVA, E. A.; ENAKI, M. A.; SERGEEV, S. A.; TRIDUH, G. M. (Institutul de Fizică Aplicată al AŞM, 2012)
    It was established, that at low values of recording current the independent superimposition (without reciprocal effect) of crossed index gratings can be occurred. Contrary to this, in the case of the relief structures the ...
  • VCSEL study for gas sensing usage 
    VIERU, T.; DOROGAN, A.; VIERU, S.; DOROGAN, V. (Institutul de Fizică Aplicată al AŞM, 2012)
    The studied VCSEL device structure had been manufactored at Ecole Polytechnique Fédérale de Lausanne, Laboratory of Physics of Nanostructures in the framework of the SCOPES project. The LIV characteristics of VCSEL chips ...
  • Photoluminescent thin films with nanostructured surface 
    ANDRIESH, A. M.; IOVU, M. S.; CULEAC, I. P.; NISTOR, Iu. H.; ROBU, Şt.; DRAGALINA, G.; POPUŞOI, A.; MITCOV, D.; ENACHE, M.; PETRENKO, P. (Institutul de Fizică Aplicată al AŞM, 2012)
    We present here experimental results on polymer-inorganic nanocomposite material made of styrene with butyl methacrylate (SBMA) with isothiocyanato-chalcone (ITCC) and inorganic semiconductor CdS. Styrene with butyl ...
  • Excitonic resonance spectra in QW and QD In0.3Ga0.7As/GaAs hetrostructures 
    DOROGAN, A.; DOROGAN, V.; MEREUTA, A.; SYRBU, A.; SYRBU, N.; VIERU, T.; URSAKI, V.; ZALAMAI, V. (Institutul de Fizică Aplicată al AŞM, 2012)
    The measurement of optical reflection and transmittance spectra had been carried out using MДР-2, JASCO-670 and СДЛ-1 spectrometers at 10K and 300K for S- and P-polarizations and different light angles incident on the ...
  • Light emission in ZnO nanostructures 
    ZALAMAI, V. V. (Institutul de Fizică Aplicată, AŞM, 2018)
    Zinc oxide is a wide gap semiconductor material on his base are produced white and blue LED and lasers. Also zinc oxide is perspective and promising material for application in optoelectronics, nanoelectronics, photonics, ...
  • Quantum wells parameters of In0,3Ga0,7As/GaAs VCSEL lasers 
    DOROGAN, A.; DOROGAN, V.; MEREUTA, A.; SYRBU, A.; SYRBU, N.; VIERU, T.; URSAKI, V.; ZALAMAI, V. (Institutul de Fizică Aplicată al AŞM, 2012)
    Injection lasers based on quantum well (QW) and quantum dots (QD) heterostructures with a low value of threshold current density Jth with continuous emission regime and output power value of 3W have been manufactured. VCSEL ...
  • Homogenization of the nanomodified concrete mixture in the magneto fluidized layer 
    GONCIARUC, V. P.; BOLOGA, M. K.; RUSU, I. V.; POLICARPOV, A. A.; VRABIE, E. Gh.; SPINU, V. V. (Institutul de Fizică Aplicată, AŞM, 2018)
    Recently, nanotechnologies are beginning to be widely used in construction, which are aimed primarily at improving the quality of mineral binders and, above all, Portland cement. Two directions are observed: the first ...
  • Thermoelectric figure of merit of (111) oriented PbTe/Pb 1-xEu xTe double quantum well structure 
    SUR, V. (Institutul de Fizică Aplicată al AŞM, 2012)
    In present report, the thermoelectric opportunities of n - PbTe/Pb1-x Eux Te DQW were estimated theoretically. The model of DQW with rectangular confinement potential oriented parallel to (111) plane, was considered. ...
  • Absorption and photoluminescence in wulfenit (PbMoO4) crystals 
    MUSINSCHI, V.; MUSINSCHI, C. (Institutul de Fizică Aplicată al AŞM, 2012)
    The interest to the study of optical properties of PbMoO4 crystals is determined not only by fundamental physical mechanism present in this material, but also by a wide spectrum of possible applications in high speed ...

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