Browsing by Subject "nanowires"

Sort by: Order: Results:

  • Highly sensitive and selective hydrogen single-nanowire nanosensor 
    LUPAN, O.; CHOW, L.; PAUPORTE, Th.; ONO, L. K.; ROLDAN CUENYA, B.; CHAI, G. (ELSEVIER, 2012)
    Metal oxides such as ZnO have been used as hydrogen sensors for a number of years. Through doping, the gas response of zinc oxide to hydrogen has been improved. Cadmium-doped ZnO nanowires (NWs) with high aspect ratio have ...
  • The impact of dimensions, magnetic field, elastic deformation on the thermoelectric figure of merit of the topological insulator wires based on semiconductor Bi1-xSbx wires 
    NIKOLAEVA, А.; KONOPKO, L.; HUBER, Т.; BODIUL, P.; POPOV, I.; MOLOSHNIK, Е.; GERGISHAN, I. (Институт термоэлектричества Национальной академии наук и Министерства образования и науки Украины, 2016)
    This paper presents the experimental results of a study of thermoelectric properties of the topological insulator (TI) wires based on semiconductor Bi1-xSbx wires. Glass-coated semiconductor Bi-17 at % Sb wires prepared ...
  • Influence of CuO nanostructures morphology on hydrogen gas sensing performances 
    LUPAN, O.; POSTICA, V.; ABABII, N.; HOPPE, M.; CRETU, V.; TIGINYANU, I.; SONTEA, V.; PAUPORTÉ, Th.; VIANA, B.; ADELUNG, R. (ELSEVIER, 2016)
    In this study, the impact of different morphologies of p-type copper oxide nanostructures on hydrogen gas response is investigated. Sensor structures based on CuO nanowire (NW) networks demonstrated much higher gas response ...
  • Influence of electric field effect on quantum oscillations in single crystal Bi nanowires 
    KONOPKO, L.; NIKOLAEVA, A.; HUBER, T. (Tehnica UTM, 2013)
    We report the results of studies of the magnetoresistance (MR) and electric field effect (EFE) of single-crystal Bi nanowires with diameter 40 nm<d<800 nm at low temperatures. Single-crystal nanowire samples were prepared ...
  • 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 ...
  • Integration of Ge Nanowire Arrays in Glass Micro-Fibers 
    IOIŞER, Anatolii; BADINTER, Efim; MONAICO, Elena; POSTOLACHE, Vitalie; HARTNAGEL, Hans Ludwig; LEPORDA, Nicolae; TIGINYANU, Ion (Academia de Ştiinţe a Moldovei, 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 ...
  • Integration of metal and metal oxide nanowires directly on chip by top-down technology and their electrical characteristics 
    GEDAMU, Dawit; LUPAN, Oleg; MISHRA, Yogendra Kumar; ADELUNG, Rainer (American Scientific Publishers, 2014)
    In this work we present the fabrication of metal and metal oxide nanowires directly on chip by a new top-down technique based on thin film fracture (TFF) approach. Developed procedure works in a simple principle of ...
  • 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 ...
  • IR photodetector based on the GaAs nanowire 
    MONAICO, Eduard; URSAKI, Veaceslav; MONAICO, Elena; TIGINYANU, Ion (Romanian Inventors Forum, 2021)
    Herein, we propose the manufacture of IR photodetector based on GaAs nanowire with good sensitivity and dynamic characteristics prepared by a cost-effective electrochemical etching of GaAs wafer, which does not require ...
  • Lasing with guided modes in ZnO nanorods and nanowires 
    ZALAMAI, V. V.; URSAKI, V. V.; KLINGSHIRN, C.; KALT, H.; EMELCHENKO, G. A.; REDKIN, A. N. (Springer Nature Switzerland, 2009)
    A vertically arranged nearly parallel array of ZnO nanorods and randomly oriented nanowires has been grown by low pressure chemical vapor deposition (CVD) on silica substrates and on stainless steel gauze woven from a wire ...
  • Low temperature preparation of Ag-doped ZnO nanowire arrays for sensor and light-emitting diode applications 
    LUPAN, O.; VIANA, B.; CRETU, V.; POSTICA, V.; ADELUNG, R.; PAUPORTÉ, T. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2016)
    Transition metal doped-oxide semiconductor nanostructures are important to achieve enhanced and new properties for advanced applications. We describe the low temperature preparation of ZnO:Ag nanowire/nanorod (NW/NR) arrays ...
  • Low-Temperature Growth of ZnO Nanowire Arrays on p-Silicon (111) for Visible-Light-Emitting Diode Fabrication 
    LUPAN, O.; PAUPORTE, T.; VIANA, B. (American Chemical Society, 2010)
    We report on the successful growth of homogeneous and well-covering ZnO nanowire arrays at a low temperature (90 °C) directly on a p-type Si(111) wafer by an electrochemical method. The wires were self-standing and vertically ...
  • Luminescence of β-Ga2O3 Nanoforms Obtained by Oxidation of GaSe Doped with Eu 
    SPRINCEAN, V.; UNTILA, D.; CHIRITA, A.; EVTODIEV, I.; CARAMAN, I. (Tehnica UTM, 2019)
    The GaSe single crystals were doped with Eu in the process of their synthesis and growth. The oxide of β-Ga2O3 doped with Eu in the form of massive nanowires was obtained by thermal treatment (TT) in the atmosphere of GaSe ...
  • Magnesium and Cadmium-alloyed Zinc Oxide Nanowires for Device Applications 
    LUPAN, O.; CHOW, L.; RAILEAN, S.; SONTEA, V.; POCAZNOI, I. (Technical University of Moldova, 2011)
    We present an experimental approach to study Zn1-xMgxO and Zn1-xCdxO nanowires (NWs) and their integration in LED structures. Zn1-xMgxO and Zn1-xCdxO NWs were deposited on p- GaN substrates.
  • Magneto- seebeck coefficient Bi1-XSbX microwires for thermoelectric applications 
    NIKOLAEVA, Albina; KONOPKO, Leonid; HUBER, Tito; POPOV, Ivan; KOBYLIANSKAY, Anna (Tehnica UTM, 2019)
    Due to development of new concepts such as the low- dimensional structures [1] and influence the quantum confinement of change carrier acoustic phonon –boundary scattering for increase figure of merit ZT=2/(T) opened ...
  • Nanofirele monocristaline de Bi-Sn pentru crearea ramurii convertoarelor de energie de temperatură joasă 
    NIKOLAEVA, A.; KONOPKO, L.; BODIUL, P.; POPOV, I.; PARA, Gh. (Universitatea Tehnica din Cluj-Napoca, 2022)
    Scopul lucrării prezentate a fost obținerea de nanofire de tip-p cu eficiență termoelectrică ridicată pentru convertoare miniaturale de energie termoelectrică în intervalul de temperaturi 70 - 100 K. Firele monocristaline ...
  • Nanosensors on a single semiconducting oxide nanowire 
    LUPAN, Oleg; POSTICA, Vasile; ADELUNG, Rainer (Academia de Ştiinţe a Moldovei, 2019)
    The room-temperature nanosensors are demanded from different fields, such as rapid detection of hazardous, explosive and nocive gases, compounds and various risky nanomaterials. Due to their huge surface-to-volume ratio ...
  • Nanosensors: Current Status and Perspectives 
    LUPAN, O. I.; CHOW, L.; ADELUNG, R. (Tehnica UTM, 2019)
    Nanosensors play a great role in the world of nanotechnology and are demanded nowadays due to miniaturization of electronic devices in many countries for development of faster portable diagnostics techniques or sensing ...
  • Nanostructured ZnO produced from ZnTe for random laser applications 
    ZALAMAI, V.; BURLACU, A.; POSTOLACHE, V.; RUSU, E. V.; URSAKI, V. V.; TIGINYANU, I. M. (Academy of Sciences of Moldova, 2010)
    We propose to produce ZnO nanostructured material by thermal treatment in oxygen ambient of bulk ZnTe crystals and nanowires obtained by electrochemical treatment. Bulk ZnTe crystals are transformed into granular ZnO media ...
  • Nanowires for biomolecule detection 
    LINNROS, Jan (Tehnica UTM, 2013)
    There is an increasing demand for portable sensor systems in health care that enable on-site analyses e.g. at local medicare centers, in ambulances or even at home. Semiconductor nanowires offer a highly sensitive and label ...

Search DSpace

Browse

My Account