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Browsing Articole din publicaţii internaţionale by Author "MONAICO, E."

Browsing Articole din publicaţii internaţionale by Author "MONAICO, E."

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  • 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 ...
  • Cathodoluminescence microanalysis of porous GaP and InP structures 
    TIGINYANU, I. M.; LANGA, S.; SIRBU, L.; MONAICO, E.; STEVENS-KALCEFF, M. A.; FÖLL, H. (EDP Sciences, 2004)
    Electron microscopy and cathodoluminescence (CL) microanalysis were used for a comparative study of porous layers fabricated by electrochemical etching of n-GaP and n-InP substrates in aqueous solutions of sulfuric and ...
  • Comparative study of the ZnO and Zn1−xCdxO nanorod emitters hydrothermally synthesized and electrodeposited on p-GaN 
    LUPAN, O.; PAUPORTÉ, T.; CHOW, L.; CHAI, G.; VIANA, B.; URSAKI, V. V.; MONAICO, E.; TIGINYANU, I. M. (ELSEVIER, 2012)
    Hydrothermal synthesis and electrodeposition are low-temperature and cost-effective growth techniques of high quality nanostructured active materials for opto-electronic devices. Here we report a hydrothermal seed layer-free ...
  • Effect of Sn Dopant on the Properties of ZnO Nanorod Arrays 
    LUPAN, O.; CHOW, L.; URSAKI, V.; MONAICO, E.; TIGINYANU, I.; SHISHIYANU, S.; SHISHIYANU, T.; PARK, S.; SCHULTE, A. (Institute of Electrical and Electronics Engineerings, IEEE, 2007)
    Sn-doped ZnO nanorod arrays were synthesized by a novel method combining the aqueous solution process with post-growth rapid photothermal processing (RPP). The post-growth RPP of Sn-doped ZnO nanostrnctures at 700 degC in ...
  • Environmentally friendly approach for nonlithographic nanostructuring of materials 
    TIGINYANU, I. M.; MONAICO, E.; ALBU, S.; URSAKI, V. V. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2007)
    Self-organized quasi-ordered two-dimensional hexagonal arrays of pores with diameters as low as 70 nm in n-InP substrates subjected to anodic etching in aqueous solution of NaCl are reported. We show that proper periodic ...
  • Exceptional integration of metal or semimetal nanowires in human-hair-like glass fiber 
    BADINTER, E.; IOISHER, A.; MONAICO, E.; POSTOLACHE, V.; TIGINYANU, I. M. (ELSEVIER, 2010)
    We report on a technological route allowing one to integrate huge amounts of electrically isolated metal or semimetal (Pb/Sn alloys and Bi) nanowires in glass fibers with the diameter of up to a few hundreds of micrometers ...
  • Fabrication and photoluminescence properties of porous CdSe 
    TIGINYANU, I. M.; MONAICO, E.; URSAKI, V. V.; TEZLEVAN, V. E.; BOYD, Robert W. (Springer Nature Switzerland, 2005)
    We report the results of a study of the growth of pores in n-CdSen-CdSe single crystals using anodic etching techniques. Upon anodization in dark, a nonuniform distribution of pores was produced. However, anodic dissolution ...
  • Flexible thin films based on Te-SnO2 nanocomposites and their gas sensing properties 
    TSIULYANU, D.; MOCREAC, O.; AFANASIEV, A.; MONAICO, E. (International Conference on Physics of Advanced Materials (ICPAM), 2021)
    Printed electronics becomes very attractive due to the ability of using sustainable, compostable and recyclable materials including biobased plastics and paper in the elaboration of different flexible thin-film sensors, ...
  • Fröhlich vibrational modes in porous ZnSe studied by Raman scattering and Fourier transform infrared reflectance 
    IRMER, G.; MONAICO, E.; TIGINYANU, I. M.; GÄRTNER, G.; URSAKI, V. V.; KOLIBABA, G. V.; NEDEOGLO, D. D. (IOP Publishing, 2009)
    Arrays of parallel pores with a diameter of around 60 nm have been introduced by anodic etching in ZnSe single crystals with a free electron concentration of 4 × 1017 cm−3. Porosity-induced Fröhlich vibrational modes were ...
  • Integration of Ge Nanowire Arrays in Glass Micro-Fibers 
    IOISHER, A.; BADINTER, E.; MONAICO, E.; POSTOLACHE, V.; HARTNAGEL, H. L.; LEPORDA, N.; TIGINYANU, I. (Institute of Applied Physics, Academy of Sciences of Moldova, Chisinau, Republic of Moldova, 2011)
    We report on a technological route for the integration of large arrays of Ge nanowires (NWs) in a human-hair-like glass micro-fiber, the length of the micro-fiber reaching one meter. The route comprises (a) the formation ...
  • Investigation of zinc oxide nanostructures prepared by chemical deposition and rapid photo-thermal processing technology 
    LUPAN, O.; SHISHIYANU, S.; CHOW, L.; SHISHIYANU, T.; SONTEA, V.; MONAICO, E.; SCHULTE, A.; PARK, S. (IEEE, 2007)
    A novel and efficient low-temperature aqueous chemical method has been used to synthesize a new generation of smart and functional zinc oxide nanomaterials. The ZnO nanostructures are obtained and the physical and structural ...
  • Manufacturing highly conductive ceramic targets and thin films of ZnO 
    COLIBABA, G.; FEDOROV, V.; RUSNAC, D.; GRABCO, D.; MONAICO, E.; PETRENCO, P.; ROTARU, C. (Academia de Ştiinţe a Moldovei, 2019)
    The present investigation addresses a novel approach for sintering ZnO ceramics by means of chemical vapor transport (CVT) using compound transport agents. The typical size of obtained ZnO ceramics was 25 mm in diameter ...
  • Morphology and chemical composition microanalysis of 2D and 3D ordered structures on porous InP 
    LANGA, S.; SIRBU, L.; MONAICO, E.; CARSTENSEN, J.; FÖLL, H.; TIGINYANU, I. M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2005)
    Porous InP proves to be promising for use in nanotechnologies due to the possibility to fabricate ordered structures like two-dimensional (2D) single crystals of nanopores. The main goal of this paper is to demonstrate ...
  • 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 ...
  • Morphology, XRD and EDX study of screen-printed thick films based on SnO2 / Te nanocomposites 
    TSIULYANU, D.; AFANASIEV, A.; MOCREAC, O.; MONAICO, E.; VOLODINA, G. (Institute of Physics NAS Ukraine, 2021)
    Nanocomposites of tellurium and tin dioxide have been synthesized via solvothermal recrystallization of polycrystalline tellurium powder, followed by Te reduction in the presence of a tin chloride solution. Thick (~15 μm) ...
  • Nanostructured zinc oxide films synthesized by successive chemical solution deposition for gas sensor applications 
    LUPAN, O.; CHOW, L.; SHISHIYANU, S.; MONAICO, E.; SHISHIYANU, T.; SONTEA, V.; ROLDAN CUENYA, B.; NAITABDI, A.; PARK, S.; SCHULTE, A. (ELSEVIER, 2009)
    Nanostructured ZnO thin films have been deposited using a successive chemical solution deposition method. The structural, morphological, electrical and sensing properties of the films were studied for different concentrations ...
  • Novel phosphors based on porous materials 
    TIGINYANU, I. M.; URSAKI, V. V.; SIRBU, L.; ENAKI, M.; MONAICO, E. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2009)
    Technological conditions have been developed for the preparation of nanocomposite phosphors based on porous InP, GaP and GaAs semiconductor as well as Al2O3 and TiO2 dielectric templates doped with rare earth and transition ...
  • Obtaining highly conductive oxide single crystals for manufacturing nanotemplates 
    COLIBABA, G.; MONAICO, E.; RUSNAC, D. (Academia de Ştiinţe a Moldovei, 2019)
    The present investigation is devoted to obtaining ZnO, In2O3 and Ga2O3 single crystals by chemical vapor transport (CVT). The thermodynamic analysis of the composition of CVT systems with ZnO, In2O3, Ga2O3 and various ...
  • The oxide layers deposition on III – V semiconductor nanoporous materials 
    DIKUSAR, A.; SIMASHKEVICH, A.; SHERBAN, D.; MONAICO, E.; BRUK, L.; USATII, Yu.; TIGINYANU, I. (Institutul de Fizică Aplicată, AŞM, 2006)
    The peculiarities of the deposition process in dependence of the porous layer thickness were investigated. The porous layers of III-V semiconductor n-InP have been obtained by the anodic dissolution in 5% HCl. The diameter ...
  • Photoluminescence and vibrational properties of nanostructured ZnSe templates 
    MONAICO, E.; TIGINYANU, I. M.; URSAKI, V. V.; SARUA, A.; KUBALL, M.; NEDEOGLO, D. D.; SIRKELI, V. P. (IOP Publishing, 2007)
    Electrochemical etching of pores in as-grown and doped n-type ZnSe substrates is reported. To dope the samples the as-grown semi-insulating substrates were annealed in a Zn melt containing Al impurity at concentrations ...

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