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  • 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, ...
  • Semi-spectrum correlation methods for fingerprint recognition 
    PERJU, Veacheslav L.; CASASENT, David P.; PERJU, Veacheslav V.; SARANCIUC, Dorian I. (International Society for Optics and Photonics (SPIE), 2003)
    There are presented the results of the investigations of the fingerprints' images correlation recognition in conditions of different distortions — scale, angular orientation change, image's surface reducing, noises' ...
  • Semiconducting Oxide - Based Micro- and Nano-Sensors for Environmental and Biomedical Monitoring 
    MAGARIU, Nicolae; ABABII, Nicolai; ZADOROJNEAC, Tudor; KRÜGER, Helge; BODDULURI, Mani Teja; PAUPORTÉ, Thierry; ADELUNG, Rainer; HANSEN, Sandra; LUPAN, Oleg (IEEE, 2021)
    Nanosensors and microsensors are important for environmental and biomedical monitoring due to their extraordinary properties. In this work sensor devices are fabricated for the detection of H 2 gas and ethanol vapors. These ...
  • Semiconductor laser under resonant feedback from a Fabry-Perot resonator: Stability of continuous-wave operation 
    TRONCIU, V. Z.; WÜNSCHE, H.-J.; WOLFRUM, M.; RADZIUNAS, M. (American Physical Society, 2006)
    We study the continuous-wave (cw) operation of a semiconductor laser subject to optical feedback from a Fabry-Perot resonator in a case where the emission is resonant to a reflection minimum of the resonator. This configuration ...
  • Semiconductor ring laser with filtered optical feedback: traveling wave description and experimental validation 
    RADZIUNAS, Mindaugas; KHODER, Mulham; TRONCIU, Vasile; DANCKAERT, Jan; VERSCHAFFELT, Guy (American Physical Society, 2018)
    We study experimentally and theoretically a semiconductor ring laser with four filtering channels providing filtered delayed optical feedback. To describe and analyze the wavelength selection and tuning in this device, we ...
  • Semiconductor ring lasers tuned by external optical feedback: theory and experiment 
    TRONCIU, V.; RADZIUNAS, M.; KHODER, M.; DANCKAERT, J.; VERSCHAFFELT, G. (Institutul de Fizică Aplicată, AŞM, 2018)
    We study theoretically properties of a semiconductor ring laser with filtered delayed optical feedback. Sections and junctions of the device are indicated by colored frames and thick black segments, respectively. Here, the ...
  • Semiconductor – semimetal transition induced by anisotropic deformation in bi quantum wires 
    PARA, Gh. I. (Institutul de Fizică Aplicată, 2010)
    In this paper the temperature dependences of resistance R(T) in bismuth nanowires in the field of the transition semimetal-semiconductor which predicted in paper [1] at diameters of wires d <100 nm in the range of temperatures ...
  • Semiconductor-electrolyte junction at the n-GaAs (n-InP)/Na/sub 2/SiO/sub 3/ solution interface 
    COJOCARU, A.; SHERBAN, D.; SIMASHKEVICH, A.; TIGINYANU, I.; TSIULYANU, I.; URSAKI, V. (IEEE, 2002)
    The photoelectrochemical properties of the electrolyte-semiconductor interface in the chains formed by carbon auxiliary electrode-electrolyte-n-GaAs or n-InP semiconductors have been investigated. Besides bulk n-GaAs ...
  • Semiconductor-oxide nanocomposites based on porous semiconductors 
    SIRBU, L.; URSAKI, V. V.; TIGINYANU, I. M.; DOLGALEVA, Ks.; BOYD, R. W. (Academy of Sciences of Moldova, 2007)
    Rare-earth containing oxide nanocomposites are prepared of porous GaP and GaAs templates in a controlled fashion. The initial porous GaP and GaAs networks are replaced by GaPO4 and Ga2O3 structures, respectively, during ...
  • Semiconductor-oxide nanocomposites on the basis of porous semiconductors 
    SIRBU, Lilian; URSAKI, V. V.; TIGINYANU, I. M.; BOYD, R. W. (Institutul de Fizică Aplicată, AŞM, 2006)
    Over the last years, there has been considerable interest in optical properties of rare-earth-ion doped nanocrystals dispersed in a transparent medium as potential optoelectronic materials. This issue becomes especially ...
  • Semifabricate din tocătură de carne de ovină cu adaos de şrot din seminţe de nuci, dovleac, in şi struguri 
    GRUMEZA, Irina; GUDIMA, Angela; COEV, Ghenadii; MACARI, Artur (Universitatea Agrară de Stat din Moldova, 2016)
    The purpose of researches conducted in the Laboratory of Food Biotechnology of the Scientific Practical Institute of Horticulture and Food Technology was to prepare and evaluate physico-chemical and organoleptic properties ...

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