Articole din publicaţii internaţionale: Recent submissions

  • Dispozitiv de înregistrare a radiației ultraviolete pentru testarea substanţelor farmceutice 
    ARAMĂ, Efim; ŞONTEA, Victor; BOLOCAN, Vladimir; COTELEA, Tamara (Societatea de Stiințe Farmaceutice din România, 2018)
    Radiația ultravioletă (UV) este utilizată în medicină, biologie, iar în științele farmace- utice este folosită la testarea substanțelor medicamentoase cu detectoare de radiație UV. Autorii își propun elaborarea și construirea ...
  • Voltage oscillations – an emergent property at high density pore growth 
    LANGA, S.; CARSTENSEN, J.; CHRISTOPHERSEN, M.; TIGINYANU, I. M.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2003)
    The paper addresses macroscopic voltage oscillations observed during anodic etching of pores in n-InP and GaP. These oscillations always occur concurrently with the modulation of pore diameters which are synchronized on ...
  • GaN Schottky multiplier diodes prepared by electroplating: a study of passivation technology 
    COJOCARI, O.; POPA, V.; URSAKI, V. V.; TIGINYANU, I. M.; HARTNAGEL, H. L.; DAUMILLER, I. (IOP Publishing, 2004)
    This paper presents the results of a Pt/n-GaN Schottky contact technology development based on electrochemical metal deposition. Three different technological approaches are used to fabricate GaN varactor diodes. The effects ...
  • Morphology, luminescence, and electrical resistance response to H2 and CO gas exposure of porous InP membranes prepared by electrochemistry in a neutral electrolyte 
    VOLCIUC, O.; MONAICO, E.; ENACHI, M.; URSAKI, V. V.; PAVLIDIS, D.; POPA, V.; TIGINYANU, I. M. (ELSEVIER, 2010)
    Porous InP membranes have been prepared by anodization of InP wafers with electron concentration of 1×1017cm−3 and 1×1018cm−3 in a neutral NaCl electrolyte. The internal surfaces of pores in some membranes were modified ...
  • Impact of dairy ingredients on wheat flour dough rheology and bread properties 
    IUGA, Mădălina; BOEŞTEAN, Olga; GHENDOV-MOŞANU, Aliona; MIRONEASA, Silvia (MDPI, 2020)
    The incorporation of dairy ingredients, such as milk or acid whey in bread, is advantageous considering their functional properties and the positive effects on consumers health. The introduction of an ingredient in bread ...
  • Anomalous retroreflection from strongly absorbing nanoporous semiconductors 
    PRISLOPSKI, S. Ya.; NAUMENKO, E. K.; TIGINYANU, I. M.; GHIMPU, L.; MONAICO, E.; SIRBU, L.; GAPONENKO, S. V. (Optical Society of America, 2011)
    Pronounced retroreflection behavior is reported for a fishnet nanoporous strongly absorbing semiconductor material. Retroreflection features a half-cone about 0.35 rad along with diffusive specular reflection for all angles ...
  • Crystal structure of HgGa2Se4 under compression 
    GOMIS, Oscar; VILAPLANA, Rosario; MANJÓN, Francisco Javier; SANTAMARÍA-PÉREZ, David; ERRANDONEA, Daniel; PÉREZ-GONZÁLEZ, Eduardo; LÓPEZ-SOLANO, Javier; RODRÍGUEZ-HERNÁNDEZ, Plácida; MUÑOZ, Alfonso; TIGINYANU, Ion Mihail; URSAKI, Veaceslav Vladimir (ELSEVIER, 2013)
    We report on high-pressure x-ray diffraction measurements up to 17.2GPa in mercury digallium selenide (HgGa2Se4). The equation of state and the axial compressibilities for the low-pressure tetragonal phase have been ...
  • Photocatalytic properties of TiO2 nanotubes doped with Ag, Au and Pt or covered by Ag, Au and Pt nanodots 
    ENACHI, Mihail; GUIX, Maria; BRANISTE, Tudor; POSTOLACHE, Vitalie; CIOBANU, Vladimir; URSAKI, Veaceslav; SCHMIDT, Oliver G.; TIGINYANU, Ion (Springer Nature Switzerland, 2015)
    Titania nanotube arrays have been prepared by anodic oxidation of titanium foils in an electrolyte solution containing a mixture of hydrofluoric acid, ethylene glycol, and phosphoric acid. The initially amorphous nanotubes ...
  • Use of porous GaAs electrodes in photoelectrochemical cells 
    COJOCARU, A.; SIMASHKEVICH, A.; SHERBAN, D.; TIGINYANU, I.; URSAKI, V.; TSIULYANU, I.; USATYI, I. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2005)
    The photoelectrochemical properties of semiconductor-electrolyte solar cells with carbon auxiliary electrode and colloidal aqueous solution of Na2SiO3 have been investigated. Bulk n-type single crystalline and nanoporous ...
  • Porosity-induced blueshift of photoluminescence in CdSe 
    MONAICO, E.; URSAKI, V. V.; TIGINYANU, I. M. (American Institute of Physics, 2006)
    Porous CdSe layers have been fabricated by anodic etching of n-type single crystalline substrates with different values of conductivity. The morphology and porosity of the layers thus produced were found to be controlled ...
  • Self-Organized Three-Dimensional Nanostructured Architectures in Bulk GaN Generated by Spatial Modulation of Doping 
    TIGINYANU, Ion; STEVENS-KALCEFF, Marion A.; SARUA, Andrei; BRANISTE, Tudor; MONAICO, Eduard; POPA, Veaceslav; ANDRADE, Hugo D.; THOMAS, James O.; RAEVSCHI, Simion; SCHULTE, Karl; ADELUNG, Rainer (The Electrochemical Society, 2016)
    Self-organized 3D nanostructured architectures including quasi-ordered concentric hexagonal structures generated during the growth of single crystalline n-GaN substrates by hydride vapor phase epitaxy (HVPE) are reported. ...
  • Methodology for food fraud risk assessment 
    GHEORGHIŢĂ, Maria; OBERŞT, Ala (Institutul de Cercetari Economice şi Sociale “Gheorghe Zane”, Iaşi, 2019)
    Food frauds, perceived as economic offenses, havedeepcauses in the economic context in which companies operate. The food fraud risks are generated by economic operators in the food chain, and their effects have a negative ...
  • Thermal analysis of the composition of gallium and sulfur oxides obtained by thermal oxidation of gallium (III) sulfide 
    SPRINCEAN, Veaceslav; CARAMAN, Iuliana; UNTILA, Dumitru; VATAVU, Elmira; EVTODIEV, Igor; TIGINYANU, Ion (Academica Greifswald, 2017)
    Oxides of both Ga and In elements (Ga2O3, In2O3) are wide bandgap materials and have molecular gas adsorption properties, such as CO and CO2. They are materials with semiconductor properties, which doping with chemical ...
  • Environmental stress screening (ESS) 
    BĂJENESCU, Titu-Marius (Editura ELECTRA, 2019)
    Reliability tests are often indispensable. The material properties, needed in design, can only sometimes be found in data sheets. If they are not available, they must be obtained by testing. Also, the manufacturers of ...
  • Failures analysis of microcircuits 
    BĂJENESCU, Titu-Marius (Editura ELECTRA, 2019)
    For failure analysis of integrated circuits it is necessary to open and delayer a chip layer by layer in order to find a hidden defect or defects. It is necessary to determine the cause of failure to prevent future occurrence, ...
  • GaN versus ZnO: Growth, properties and applications 
    TIGINYANU, Ion (Academica Greifswald, 2017)
    GaN and ZnO are wide band gap semiconductor compounds with unique properties favourable for the development of short-wavelength light emitting devices and high-power electronics. From the point of view of applications, ...
  • Research data in the context of open science: Case study of the Republic of Moldova 
    RUSU, Andrei; ŢURCAN, Nelly; CUJBA, Rodica; GRECU, Mihai (Facultas Verlags- und Buchhandels, 2019)
    At present, there are important changes in scientific research, changes that concern both the organization, realization and evaluation of research, as well as the use and dissemination of scientific results. These changes ...
  • Raman and IR-Reflectance Spectra of Porous III–V Semiconductor Structures 
    SARUA, A.; GÄRTNER, G.; IRMER, G.; MONECKE, J.; TIGINYANU, I. M.; HARTNAGEL, H. L. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2000)
    Porous layers on the basis of LEC-grown n-type crystals of (111)-GaP and (100)-InP were fabricated by electrochemical etching in aqueous acidic solutions. The prepared samples were studied by micro-Raman analysis and by ...
  • Parametrii de calitate a şroturilor din seminţe oleaginoase utilizaţi în produsele de carne 
    GRUMEZA, Irina; MACARI, Artur; GUDIMA, Angela; COEV, Ghenadii (Centrul editorial UASM, 2018)
    This paper presents the results on possibility of using the flour of oilseeds groats in meat products. As a research object were used flour of groats of walnuts, pumpkin seeds, grape seeds, sesame seeds and flax seed. ...
  • Photoluminescence of Eu-doped ZnO structures 
    URSAKI, Veaceslav V.; RUSU, Emil; ZALAMAI, Victor; SIRBU, Lilian; MONAICO, Eduard; TIGINYANU, Ion M. (Society of Photo-Optical Instrumentation Engineers, SPIE, 2004)
    ZnO-based red phosphors were prepared by different methods. One phosphor was grown from a Na2B4O7 melt, and another one was prepared from a ZnO:Eu2O3 powder via electron beam treatment. The e-beam processing is found to ...

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