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Browsing Articole din publicaţii internaţionale by Title

Browsing Articole din publicaţii internaţionale by Title

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  • Fabrication and characterization of an individual ZnO microwire-based UV photodetector 
    CHAI, G. Y.; CHOW, L.; LUPAN, O.; RUSU, E.; STRATAN, G. I.; HEINRICH, H.; URSAKI, V. V.; TIGINYANU, I. M. (ELSEVIER, 2011)
    In this paper, a single ZnO microwire-based photodetector for the monitoring of ultraviolet (UV) radiation is described. Single crystal ZnO microwires were synthesized using a chemical vapor deposition (CVD) on the Si or ...
  • Fabrication and characterization of Zn–ZnO core–shell microspheres from nanorods 
    LUPAN, O.; CHOW, L.; CHAI, G.; HEINRICH, H. (ELSEVIER, 2008)
    We present a new method to synthesize ZnO nanorods on zinc spheres to form a core–shell structure. Selective self-assembly growth of a shell with ZnO nanorods on a metallic Zn microsphere core has been accomplished via ...
  • 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 ...
  • Fabrication of diameter modulated gallium arsenide nanowires via anodization 
    MONAICO, E. I. (Белорусский Государственный Университет, 2022)
    In this paper, the technological approach for diameter modulated GaAs nanowires fabrication via electrochemical etching representing simple and cost-effective technology is demonstrated. At optimized applied potential, in ...
  • Fabrication of GaN nanowalls and nanowires using surface charge lithography 
    POPA, Veaceslav; TIGINYANU, Ion; VOLCIUC, Olesea; SARUA, Andrei; KUBALL, Martin; HEARD, Peter (ELSEVIER, 2008)
    We demonstrate the possibility for controlled nanostructuring of GaN by focused-ion-beam treatment with subsequent photoelectrochemical (PEC) etching. The proposed maskless approach based on direct writing of surface ...
  • Fabrication of photonic crystal circuits based on GaN ultrathin membranes by maskless lithography 
    VOLCIUC, Olesea; BRANISTE, Tudor; SERGENTU, Vladimir; URSAKI, Veaceslav; TIGINYANU, Ion M.; GUTOWSKI, Jürgen (Society of Photo-Optical Instrumentation Engineers, SPIE, 2015)
    We report on maskless fabrication of photonic crystal (PhC) circuits based on ultrathin (d~15 nm) nanoperforated GaN membranes exhibiting a triangular lattice arrangement of holes with diameters of 150 nm. Ultrathin GaN ...
  • Fabrication of ZnO Nanobrushes by H2–C2H2 Plasma Etching for H2 Sensing Applications 
    KOHLMANN, Niklas; HANSEN, Luka; LUPAN, Cristian; SCHÜRMANN, Ulrich; REIMERS, Armin; SCHÜTT, Fabian; ADELUNG, Rainer; KERSTEN, Holger; KIENLE, Lorenz (American Chemical Society, 2021)
    In this work the formation of novel ZnO nanobrushes by plasma etching treatment as a new approach is presented. The morphology and structure of the ZnO nanobrushes are studied in detail by transmission and scanning electron ...
  • Fabrication of ZnO nanorod-based hydrogen gas nanosensor 
    LUPAN, Oleg; CHAI, Guangyu; CHOW, Lee (ELSEVIER, 2007)
    We report a first work on nanofabrication of hydrogen nanosensor from single ZnO branched nanorods (tripod) using in-situ lift-out technique and performed in the chamber of focused ion beam (FIB) system. Self-assembled ZnO ...
  • Fabrication, characterization, and applications of high-performance AlGaAs-based buried-heterostructure diode lasers 
    SYRBU, Alexei V.; MEREUTZA, Alexandru Z.; SURUCEANU, Grigore I.; IACOVLEV, Vladimir P.; CALIMAN, Andrei N.; LUPU, Anatol T.; VIERU, Stanislav T.; PREDESCU, Marius; POPESCU, Ion M.; ISPASOIU, Radu G. (SPIE, 1996)
    Data are presented on buried-heterostructure (BH) AlGaAs/ GaAs and InGaAs/AlGaAs quantum-well diode lasers (DLs) fabricated by low-temperature liquid phase mesa melt etching and regrowth. The basic laser structures were ...
  • Facile fabrication of semiconducting oxide nanostructures by direct ink writing of readily available metal microparticles and their application as low power acetone gas sensors 
    SIEBERT, Leonard; WOLFF, Niklas; ABABII, Nicolai; TERASA, Maik-Ivo; LUPAN, Oleg; VAHL, Alexander; DUPPEL, Viola; QIU, Haoyi; TIENKEN, Maik; MIRABELLI, Mattia; SONTEA, Victor; FAUPEL, Franz; KIENLE, Lorenz; ADELUNG, Rainer (ELSEVIER, 2020)
    In this work, a facile two-step fabrication and characterization of printed acetone sensors based on mixed semiconducting metal oxides is introduced. The devices are fabricated by Direct Ink Writing metal microparticle ...
  • Factors causing bankruptcy in the corporate sector 
    VALUTA, Gabriela (ASEM, 2021)
    The institution of bankruptcy is necessary and obligatory in any market economy. In most cases, a company's bankruptcy is determined by the simultaneous effect of several causes, both internal and external. This problem ...
  • Factors that influence the value of specialized real estate property 
    ALBU, Svetlana; GHEORGHE, Ciprian (Editura Universitaria Craiova, 2014)
    For specialized real estate properties is hard to elaborate an opinion on the value of the market because it will have very well explained. A property with limited market is one that has few buyers, at some point, sometimes ...
  • 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, ...
  • Far Infrared and Raman Optical Study of CdInGaS4, CdIn2S4, HgInGaS4 and CdIn2S2Se2 Crystals 
    SYRBU, N. N.; RADAUTSAN, S. I.; CRETU, R. V.; TEZLEVAN, V. E.; MOLDOVEANU, N. A. (WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim, 1996)
    Raman and infrared reflectivity spectra of CdInGaS4, CdIn2G4, HgInGaS4, and CdIn2S2Se2 crystals have been investigated. The fiindamental phonon parameters, the limiting dielectric constants ϵ0 and ϵ∞ and the reflectivity ...
  • 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 ...
  • Fast pore etching 
    FREY, S.; KEMELL, M.; CARSTENSEN, J.; LANGA, S.; FÖLL, H. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2005)
    The growth of silicon macropores under high current densities and high HF concentrations is studied. A new growth mode for porous Si has been found where pores resemble the so-called current line oriented pores previously ...
  • Feasibility of construction of cogeneration power plant based on biomass and on integrated gasification combine cycle 
    ARION, Valentin; GHERMAN, Cristina; BOROSAN, Constantin (Institutul de Energetică al Academiei de Științe a Moldovei, 2012)
    The paper assesses 6 MWe CHP plant feasibility, on solid biomass, combined cycle, with integrated gasification (BIGCC) under the conditions of the Republic of Moldova. For the considered power plant the cost of heat and ...
  • Features of correlation of electronic properties with an atomic scale characterization in the Bi bicrystal interfaces 
    MUNTYANU, F. M.; SIDORENKO, A. S.; CHISTOL, V. (Academia de Ştiinţe a Moldovei, 2019)
    We present the results of study of the quantum transport, magnetic and superconducting properties of Bi bicrystals at low temperatures and high magnetic fields up 40T to highlight the electronic properties correlations ...
  • Features of display the quantum dimensional effects in cylindrical semimetal bismuth antimony nanowires 
    NIKOLAEVA, A. A.; KONOPKO, L. A.; GHERGHISHAN, I.; POPOV, I. A.; PARA, Gh. I.; KOBYLIANSKAYA, A. K. (Academia de Ştiinţe a Moldovei, 2019)
    We have developed the method of preparation of the single- crystalline semimetallic bismuth antimony nano- and microwires in glass cover with diameter from 50 nm to 1000 nm, and orientation along the wire axis [1011], using ...
  • Features of rotation diagrams transverse magnetoresistance bulk samples and semiconductor alloys wires Bi1-xSb 
    BODYUL, P. P.; POPOV, I. A.; PARA, Gh. I.; RUSU, A.; ISTRATII, E. (Institutul de Fizică Aplicată, 2014)
    Experimental study of anisotropy of the galvanomagnetic prope1iies of bismuth ant its alloys is perfo1med by removing the rotation diagrams transverse magnetoresistance (RDTM).

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