Browsing Colecția instituțională by Title

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  • 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 ...
  • Self-assembly of densely packed and aligned bilayer ZnO nanorod arrays 
    CHOW, L.; LUPAN, O.; HEINRICH, H.; CHAI, G. (American Institute of Physics, 2009)
    We present a method of self-assembly of densely packed and aligned bilayer ZnO nanorod arrays in a hydrothermal synthesis process. The alkali hydrothermal environment first induced the growth of hydrotalcitelike zincowoodwardite ...
  • Self-assembly ZnO nanostructures for nanoscale devices applications 
    LUPAN, Oleg; SONTEA, Victor; CHOW, Lee; CHERNYAK, Leonid; RAILEAN, Serghei (University of Craiova, 2008)
    We demonstrate a synthetic approach to selfassembly ZnO nanostructures on flat, spherical and curved surfaces. Self-assembly of ZnO nanorods was performed in aqueous solution. The effects of electric field, biopolymer ...
  • Self-Driving car 
    SAMOIL, Ion; SMOCHINA, Ion; RUSU, Mihai; TURCANU, Andrei; NICOLENCO, Eugeniu (Tehnica UTM, 2019)
    În lucrarea de faţă sunt prezentate rezultatele dezvoltării unui sistem pentru ghidarea autonomă a modelelor de auto-car. Deplasarea dispozitivului pe traseu are loc în rezultatul procesării imaginilor achiziţionate de la ...
  • Self-induced oscillation of the macropore diameter in n-type silicon 
    COJOCARU, Ala; CARSTENSEN, Jürgen; LEISNER, Malte; FÖLL, Helmut; TIGINYANU, Ion (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2009)
    Electrochemical etching of n-type silicon in viscous-electrolyte containing HF for macropore formation has been employed to obtain deep pores at high growth rates. Under certain conditions, a new kind of macropore growth ...
  • Self-Induced Voltage Oscillations during Anodic Etching of n-InP and Possible Applications for Three-Dimensional Microstructures 
    LANGA, S.; CARSTENSEN, J.; TIGINYANU, I. M.; CHRISTOPHERSEN, M.; FÖLL, H. (The Electrochemical Society, 2001)
    Voltage oscillations were observed during anodic etching of (100)-oriented n-InP substrates in an aqueous solution of HCl at high constant current density. Under certain conditions, the oscillations lead to a synchronous ...
  • Self-organized and self-propelled aero-GaN with dual hydrophilic-hydrophobic behaviour 
    TIGINYANU, Ion; BRANISTE, Tudor; SMAZNA, Daria; DENG, Mao; SCHÜTT, Fabian; SCHUCHARDT, Arnim; STEVENS-KALCEFF, Marion A.; RAEVSCHI, Simion; SCHÜRMANN, Ulrich; KIENLE, Lorenz; PUGNO, Nicola M.; MISHRA, Yogendra Kumar; ADELUNG, Rainer (ELSEVIER, 2019)
    Nature utilizes hydrophilic-hydrophobic biomolecular entities to perform self-organized structural and functional tasks, including the formation of cellular compartments and motion, separation of chemicals or self-healing ...
  • Self-Organized Formation of Fractal and Regular Pores in Semiconductors 
    CLAUSSEN, Jens Christian; CARSTENSEN, Jürgen; CHRISTOPHERSEN, Marc; LANGA, Sergiu; FÖLL, Helmut (Springer Nature Switzerland, 2003)
    Electrochemical etching of semiconductors, beside technical applications, provides an interesting experimental setup for self-organized structure formation capable of regular, diameter-modulated, and branching pores. The ...
  • Self-organized growth of single crystals of nanopores 
    LANGA, S.; TIGINYANU, I. M.; CARSTENSEN, J.; CHRISTOPHERSEN, M.; FÖLL, H. (American Institute of Physics, 2003)
    Self-organized single crystalline two-dimensional hexagonal arrays of pores in InP semiconductor compound are reported. We show that the self-arrangement of pores can be obtained on n-type substrates with (100) and (111) ...
  • Self-organized nucleation layer for the formation of ordered arrays of double-walled TiO2 nanotubes with temperature controlled inner diameter 
    ENACHI, Mihai; TIGINYANU, Ion; SPRINCEAN, Veaceslav; URSAKI, Veaceslav (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2010)
    Abstract It is proposed to use the variation of the electrolyte temperature to fabricate titania nanotubes with variable inner diameter at a constant outer diameter and an invariable package density. The anodization of Ti ...
  • Self-organized pore formation and open-loop control in semiconductor etching 
    CLAUSSEN, Jens Christian; CARSTENSEN, Jürgen; CHRISTOPHERSEN, Marc; LANGA, Sergiu; FÖLL, Helmut (American Institute of Physics, 2003)
    Electrochemical etching of semiconductors, apart from many technical applications, provides an interesting experimental setup for self-organized structure formation capable, e.g., of regular, diameter-modulated, and branching ...
  • 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. ...
  • Self-Propelled Aero-GaN Based Liquid Marbles Exhibiting Pulsed Rotation on the Water Surface 
    BRANISTE, Tudor; CIOBANU, Vladimir; SCHÜTT, Fabian; MIMURA, Hidenori; RAEVSCHI, Simion; ADELUNG, Rainer; PUGNO, Nicola M.; TIGINYANU, Ion (MDPI, 2021)
    We report on self-propelled rotating liquid marbles fabricated using droplets of alcoholic solution encapsulated in hollow microtetrapods of GaN with hydrophilic free ends of their arms and hydrophobic lateral walls. Apart ...
  • Selforganized formation of crystallographically oriented octahedral cavities during electrochemical pore etching 
    LÖLKES, S.; CHRISTOPHERSEN, M.; LANGA, S.; CARSTENSEN, J.; FÖLL, H. (ELSEVIER, 2003)
    The parameter dependence of electrochemically etched pores in silicon is studied. Using HF containing organic electrolytes and backside illumination on moderately doped silicon, macropores and octahedrally shaped pores can ...
  • SEM, EDS and XPS studies of AC & DC PEO coatings obtained on titanium substrate 
    ROKOSZ, K.; HRYNIEWICZ, T.; DUDEK, Ł.; PIETRZAK, K.; RAAEN, S.; MALORNY, W.; CIUPERCA, R. (IOP Publishing, 2019)
    The porous coatings may be fabricated on titanium substrate by Plasma Electrolytic Oxidation (PEO), known also as Micro Arc Oxidation (MAO), under AC or DC regimes. The obtained surfaces were characterized by Scanning ...
  • Semantica gravurii în acvaforte din perioada postbelică a RSSM 
    MUSTEAŢĂ, Elena (Institutul Patrimoniului Cultural al AȘM, 2014)
    Lucrarea de faţă urmăreşte ca scop elucidarea unor aspecte de semnificaţie şi iconicitate caracteristice acvaforte-lui din Moldova din perioada postbelică. Operele grafice supuse studiului au fost selectate în mod subiectiv, ...
  • Semănătoare 
    NASTAS, Andrei; BOTEZ, Ilie; BOTEZ, Alexei; GULCO, Veaceslav (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova (AGEPI), 2015)
    Invenţia se referă la domeniul agriculturii, și anume la tehnica agricolă pentru semănatul culturilor. Semănătoarea conţine un corp cilindric cu două capace laterale, în care este amplasat un arbore cotit, montat mobil în ...
  • Semănătoare 
    NASTAS, Andrei; BOTEZ, Ilie; BOTEZ, Alexei; GULCO, Veaceslav (Agenția de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2015-01-31)
    Invenţia se referă la domeniul agriculturii, şi anume la tehnica agricolă pentru semănatul culturilor. Semănătoarea conţine un corp cilindric cu două capace laterale, în care este amplasat un arbore cotit, montat mobil ...
  • Semănătoare manuala 
    NASTAS, Andrei; BOTEZ, Ilie; STOICEV, Petru; BEZEID, Jemali (Universitatea Tehnică din Cluj-Napoca, 2014)
    Semănătoarea manuală conţine o roată cu două capace laterale, în care este amplasată o camă cu profil pe un sector, fixată rigid pe un ax, montat în capace prin rulmenţi şi unit cu un mâner de tragere. Pe suprafaţa frontală ...
  • Semănătoare manuală 
    NASTAS, Andrei; BOTEZ, Ilie; STOICEV, Petru; BEZEID, Jemali (Agenția de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2014-02-28)
    Invenţia se referă la domeniul agriculturii, şi anume la tehnica agricolă manuală pentru semănatul culturilor pe suprafeţe mici. Semănătoarea manuală conţine o roată cu două capace laterale, în care este amplasată o camă ...

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