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Browsing Articole din publicaţii internaţionale by Author "NIELSCH, K."

Browsing Articole din publicaţii internaţionale by Author "NIELSCH, K."

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  • Control of HVPE grown GaN nanostruturing by anodization 
    MONAICO, Ed.; MOISE, C.; MIHAI, G.; ENACHESCU, M.; NIELSCH, K.; URSAKI, V. V.; TIGINYANU, I. M. (Institutul de Fizică Aplicată, AŞM, 2018)
    In this paper, results of a systematic study of morphologies obtained with anodization in HNO3, HCl, and NaCl solutions are presented. It is shown that complex pyramidal structures composed by regions with modulated porosity ...
  • Control of persistent photoconductivity in nanostructured InP through morphology design 
    MONAICO, Ed.; POSTOLACHE, V.; BORODIN, E.; URSAKI, V. V.; LUPAN, O.; ADELUNG, R.; NIELSCH, K.; TIGINYANU, I. M. (IOP Publishing Ltd, 2015)
    In this paper, we show that long-duration-photoconductivity decay (LDPCD) and persistent photoconductivity (PPC) in porous InP structures fabricated by anodic etching of bulk substrates can be controlled through the ...
  • Electrochemical Deposition by Design of Metal Nanostructures 
    MONAICO, Ed.; MONAICO, E. I.; URSAKI, V. V.; TIGINYANU, I. M.; NIELSCH, K. (Springer Nature Switzerland, 2019)
    We report on the application of specially-designed masks for the purpose of electrochemical etching of InP single crystals which enables one to change in a controlled fashion the direction of propagation of pores, including ...
  • GaAs nanowires obtained via electrochemical etching of bulk substrates 
    MONAICO, Ed.; MORARI, V.; URSAKI, V. V.; MONAICO, E. I.; TIGINYANU, I. M.; NIELSCH, K. (Institutul de Fizică Aplicată, AŞM, 2018)
    Technological conditions for obtaining InP nanomembranes and nanowires by means of fast anodic etching of bulk substrates have been recently elaborated. Electrochemical etching is an easy, cost-effective, and very fast ...
  • Gold Electroplating as a Tool for Assessing the Conductivity of InP Nanostructures Fabricated by Anodic Etching of Crystalline Substrates 
    MONAICO, E. V.; TIGINYANU, I. M.; URSAKI, V. V.; NIELSCH, K.; BALAN, D.; PRODANA, M.; ENACHESCU, M. (The Electrochemical Society, 2017)
    Electroplating is shown to represent a simple and effective tool for assessing the conductivity of InP nanostructures fabricated by electrochemical etching of InP wafers. A mixture of nanowalls, nanowires and nanobelts was ...
  • Growth of ZnCdS single crystals and prospects of their application as nanoporous structures 
    COLIBABA, G. V.; MONAICO, E. V.; GONCEARENCO, E. P.; NEDEOGLO, D. D.; TIGINYANU, I. M.; NIELSCH, K. (IOP Publishing, 2014)
    Substrates of wide band-gap II–VI semiconductor compounds are considered feasible for the fabrication of nanoporous matrices (NM) needed for templated growth of nanowires and nanotubes of solid-state materials promising ...
  • Self-Assembled Monolayer of Au Nanodots Deposited on Porous Semiconductor Structures 
    TIGINYANU, I.; MONAICO, E.; NIELSCH, K. (The Electrochemical Society, 2015)
    We demonstrate the possibility to cover the surface of GaP and InP porous structures by a self-assembled monolayer of electrochemically deposited nanoscale Au nanodots. After nucleation, each dot was found to increase in ...
  • Towards Uniform Electrochemical Porosification of Bulk HVPE-Grown GaN 
    MONAICO, Ed.; MOISE, C.; MIHAI, G.; URSAKI, V. V.; LEISTNER, K.; TIGINYANU, I. M.; ENACHESCU, M.; NIELSCH, K. (The Electrochemical Society, 2019)
    In this paper, we report on results of a systematic study of porous morphologies obtained using anodization of HVPE-grown crystalline GaN wafers in HNO3, HCl, and NaCl solutions. The anodization-induced nanostructuring is ...

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