Browsing Colecția instituțională by Title

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  • Luminescence at the axial centers of CdP2-D48 crystals 
    BERIL, S. I.; PANASENCO, V. V.; TKACHENKO, D. V.; STAMOV, I. G.; SYRBU, N. N. (Elservier, 2018)
    Emission lines of free excitons and excitons bound to axial centers have been observed in the luminescence spectra of CdP2-D48 crystals doped with Mn, Sn, and Sb at 10 K. Bands models of excitons bound to axial centers ...
  • Luminescence of GaN nanocolumns obtained by photon-assisted anodic etching 
    TIGINYANU, I. M.; URSAKI, V. V.; ZALAMAI, V. V.; LANGA, S.; HUBBARD, S.; PAVLIDIS, D.; FÖLL, H. (American Institute of Physics, 2003)
    GaN nanocolumns with transverse dimensions of about 50 nm were obtained by illumination-assisted anodic etching of epilayers grown by metalorganic chemical vapor deposition on sapphire substrates. The photoluminescence ...
  • Luminescence of porous semiconductor media covered with metallic films 
    POSTOLACHE, Vitalie (Academy of Sciences of Moldova, 2016)
    Porous GaP and InP layers with a pore diameter and a skeleton wall thickness of about 50 nm are prepared on bulk substrates by anodization; microgranular ZnO structures are produced by thermal treatment of ZnTe single ...
  • Luminescence of ZnGa2Î4 AND ZnAl2Î4 spinels doped with Eu3+AND Tb3+ ions 
    RUSU, E.; URSAKI, V.; NOVITSCHI, G.; BURLACU, A.; PETRENKO, P.; KULIUK, L. (I. I. Mechnikov National University, Odessa, 2008)
    Spinel type mono-phase the ZnGa2O4 and ZnAl2O4 compounds doped with Eu3+ and Tb3+ ions were obtained using two methods: solid phase reactions and deposition from chemical solutions. The luminescent analysis of the materials ...
  • Luminescence properties of a ZnO–In2O3 composite 
    URSAKI, V. V.; TIGINYANU, I. M.; BURLACU, A.; ZALAMAI, V.; JITARI, V. F. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2006)
    ZnO–In2O3 composite was prepared by thermal annealing of ZnIn2S4 crystals. Energy dispersive X-ray analysis demonstrated that annealing results in the formation of a composite consisting of ZnO and In2O3 phases with the ...
  • Luminescence properties of poly- (phenylene vinylene) derivatives 
    CUONG, Ton-That; GEOFF, Stockton; PHILLIPS, Matthew R.; NGUYEN, Thien-Phap; HUANG, Chun Hao; COJOCARU, Ala (John Wiley & Sons, Inc., 2008)
    Three PPV derivatives, BEHPPV, MEHPPV and MEHSPPV, were synthesised and characterised by photoluminescence (PL) and cathodoluminescence (CL) spectroscopies in the temperature range 10–300 K. PL and CL spectra of the polymers ...
  • Luminescence properties of ZnGa2O4 and ZnAl2O4 spinels doped with Eu3+ and Tb3+ ions 
    RUSU, E.; URSAKI, V.; NOVITSCHI, G.; VASILE, M.; PETRENCO, P.; KULYUK, L. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2009)
    Spinel-type ZnGa2O4 and ZnAl2O4 powders doped with Eu3+ and Tb3+ ions, including dual doping, have been prepared by solid phase reactions and by deposition from chemical solutions. XRD analysis demonstrates the high quality ...
  • Luminescent and Photoconductive Properties of AgGa2.5In2.5S8 and CuGa2.5In2.5S8 New Semiconductors 
    ANEDDA, A.; SERPI, A.; MOLDOVYAN, N. A.; TIGINYANU, I. M.; URSAKI, V. V. (IOP Publishing, 1993)
    Results of a complex study of photoluminescence (PL), photoconductivity (PC) and photo-voltaic (PV) spectra in AgGa2.5In2.5S8 and CuGa2.5In2.5S8 single crystals are presented. The values of indirect (Egi=2.25 eV) and direct ...
  • Luminescent materials based on semiconductor compound templates for random laser applications 
    URSAKI, V. V.; TIGINYANU, I. M.; SIRBU, L.; ENACHI, M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2009)
    A survey of methods for the preparation of luminescent nanocomposite materials with the focus on random laser media on the basis of porous semiconductor and dielectric templates is presented. Media with controlled light ...
  • The luminescent properties of a ZnGa2O4 spinel doped with Eu 3+ and Er3+ ions 
    VASILE, M.; VLAZAN, P.; SFIRLOAGA, P.; GROZESCU, I.; AVRAM, N. M.; RUSU, E. (IOP Publishing, 2009)
    Nanophosphor of ZnGa2O4:Eu3+ and Er3+ were synthesized by the hydrothermal method. ZnGa2O4 is an intrinsic blue light emitter with a wavelength peak of approximately 608 nm depending on the gallium ratio. A luminescent ...
  • Luminescent properties of rare earth activated ZnO binary and ternary materials 
    ROGACHEV, Alexander; SEMCHENKO, A.; SIDSKY, V.; KOVALENKO, D.; GREMENOK, V.; ZARETSKAYA, H.; RUSU, Emil; TIVANOV, M. (Institutul de Fizică Aplicată, 2016)
    Development by sol-gel method of nanostructured luminescent materials based on binary and ternary oxides and containing rare earth ions for use as inorganic photoluminophors, active layers for solar cells and inert ...
  • Luminescenţa şi efecte laser în filme nanostructurate şi microstructuri de ZnO crescute prin depunere chimică din vapori şi electrochimică 
    BURLACU, Alexandru (Institutul de Fizică Aplicată al AŞM, 2017)
    Prezenta lucrare are drept scop elaborarea proceselor tehnologice de creştere a nanostructurilor şi microstructurilor din oxid de zinc cu proprietăţi optice relevante pentru emisia stimulată şi cu morfologii potrivite ...
  • Luminiscența soluției coloidale ale punctelor cuantice de SnS2 
    CRISTEA, Ecaterina (Universitatea Tehnică a Moldovei, 2023)
    Studiile luminiscenței cristalelor de SnS2 au rafinat structura benzilor la decalajul minim între zone. Intervalul minim de bandă este determinat de tranziții directe de la punctul L la punctul Γ al zonei Brillouin (Eg = ...
  • Luminophore organic nanocomposites on the base of polymer and isothiocianatohalconic compounds 
    VERLAN, V.; ANDRIESH, A.; IOVU, M.; BORDIAN, O.; BUZURNIUC, S.; NISTOR, Yu.; CULEAC, I.; POPUŞOI, A.; DRAGALIN, G.; BARBĂ, N. (Institutul de Fizică Aplicată al AŞM, 2012)
    The paper presents the results of technology for obtaining nanocomposite thin layers (NC) of organic luminophore compounds (OLC), particularly, those prepared by the sol-gel method.
  • Luxul şi sustenabilitatea, formează un oximoron sau o compatibilitate avantajoasă? 
    DRAGAN, Marinela (Tehnica UTM, 2020)
    Moda sustenabilă este una din cele mai actuale teme a secolului. Reprezentând a doua cea mai poluantă industrie din lume, industria fashion încearcă să găsească modalități pentru a asigura beneficii de mediu. Sectorul de ...
  • L’affacturage au niveau international et dans la République de Moldavie 
    RUSU, Aurelia; RUSU, Nicolae (Tehnica UTM, 2020)
    L'affacturage est une technique de financement et de recouvrement de créances mise en oeuvre par les entreprises et consistant à obtenir un financement anticipé et à sous-traiter cette gestion à un établissement de crédit ...
  • L’analyse de la situation financière des entreprises de l’industrie manufacturière de la République de Moldavie 
    POCIUMBAN, Nicoleta; MELINTE, Natalia (Universitatea Tehnică a Moldovei, 2023)
    Une analyse complète de la situation financière de chaque entreprise est une condition très importante pour son développement durable et pour assurer une production de qualité, compétitive et profitable. La situation ...
  • L’analyse des 5 points de l’architecture moderne 
    OLTEANU, Sorin (Tehnica UTM, 2020)
    Les constructions du XXème siècle déterminent la formation des tendances générales en architecture. Le Corbusier est le premier qui accepte le défi et conçoit les principes architecturaux surnommés «les 5 points de ...
  • L’expérience de l’utilisateur 
    TOMA, Cezar; OSIPCIUC, Ion; BOTNARU, Alexandru (Universitatea Tehnică a Moldovei, 2021)
    L'article suivant explique les principes de base l’expérience de l’utilisateur, les étapes du design UX, les modèles de conception ainsi que l’expérience de l’utilisateur pour les applications mobiles.
  • L’impact des fruits sec d’eglantier et d’aubepine sur la stabilité et la qualité des saucisses fonctionnelles 
    COVACI, Ecaterina; GALIŞ, Irina; PATRAŞ, Antoanela (Universitatea de Ştiinţe Agricole Şi Medicină Veterinară" Ion Ionescu de la Brad", Iaşi, 2018)
    L’étude bibliographique et expérimental a établi les principes de l’incorporation dans les produits de charcuteriedes ajouts végétaux riches en antioxydants (baies secs de l'églantier et d’aubépine) en élucidant leur impact ...

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