Articole ştiinţifice: Recent submissions

  • Electrostatic bending actuators with a liquid filled nanometer scale gap 
    GAUDET, M.; UHLIG, S.; STOLZ, M.; ARSCOTT, S.; CONRAD, H.; LANGA, S.; KAISER, B.; SCHENK, H. (IEEE, 2017)
    We report a considerable improvement in the electrostatic actuation of silicon-based nano electrostatic drive (NED) structures [1] via the insertion of a liquid into the nanosystem. The dielectric liquid provides an ...
  • Electrochemically-Prepared 2D and 3D Photonic Crystals 
    WEHRSPOHN, Ralf B.; SCHILLING, Jörg; CHOI, Jinsub; LUO, Yun; MATTHIAS, Sven; SCHWEIZER, Stefan L.; MÜLLER, Frank; GÖSELE, Ulrich; LÖLKES, Stefan; LANGA, Sergiu; CARSTENSEN, Jürgen; FÖLL, Helmut (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2004)
    In the last ten years, ordered pore arrays with high aspect ratio have been studied extensively. Ordered porous dielectric materials are intrinsic 2D photonic crystals. Although there is a large variety of materials ...
  • Electrochemical pore etching in Ge – An overview 
    FANG, C.; FÖLL, H.; CARSTENSEN, J.; LANGA, S. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2007)
    While electrochemical pore etching in semiconductors has become a thriving field for research (and applications) in the past 15 years or so, little work has been done in Ge. Besides Si, Ge is the only semiconductor with a ...
  • Concept and proof for an all-silicon MEMS micro speaker utilizing air chambers 
    KAISER, Bert; LANGA, Sergiu; EHRIG, Lutz; STOLZ, Michael; SCHENK, Hermann; CONRAD, Holger; SCHENK, Harald; SCHIMMANZ, Klaus; SCHUFFENHAUER, David (Springer Nature Limited, 2019)
    MEMS-based micro speakers are attractive candidates as sound transducers for smart devices, particularly wearables and hearables. For such devices, high sound pressure levels, low harmonic distortion and low power consumption ...
  • Cathodoluminescence microanalysis of porous GaP and InP structures 
    TIGINYANU, I. M.; LANGA, S.; SIRBU, L.; MONAICO, E.; STEVENS-KALCEFF, M. A.; FÖLL, H. (EDP Sciences, 2004)
    Electron microscopy and cathodoluminescence (CL) microanalysis were used for a comparative study of porous layers fabricated by electrochemical etching of n-GaP and n-InP substrates in aqueous solutions of sulfuric and ...
  • Audio-Transducer for In-Ear-Applications based on CMOS-compatible electrostatic actuators 
    SPITZ, B.; WALL, F.; SCHENK, H.; MELNIKOV, A.; EHRIG, L.; LANGA, S.; STOLZ, M.; KAISER, B.; CONRAD, H.; SCHENK, H. (IEEE, 2019)
    Recently an innovative mSpeaker technology, based on a novel kind of CMOS compatible small gap electrostatic actuators for large deflection, has been introduced. In this paper, we devise methods to model such speakers in ...
  • A small-gap electrostatic micro-actuator for large deflections 
    CONRAD, Holger; SCHENK, Harald; KAISER, Bert; LANGA, Sergiu; GAUDET, Matthieu; SCHIMMANZ, Klaus; STOLZ, Michael; LENZ, Miriam (Springer Nature Limited, 2015)
    Common quasi-static electrostatic micro actuators have significant limitations in deflection due to electrode separation and unstable drive regions. State-of-the-art electrostatic actuators achieve maximum deflections of ...
  • A Novel Electrostatic Actuator Class 
    CONRAD, H.; KAISER, B.; GAUDET, M.; LANGA, S.; STOLZ, M.; UHLIG, S.; SCHIMMANZ, K.; SCHENK, H. (ELSEVIER, 2016)
    Common quasi-static electrostatic micro actuators have significant limitations in deflection due to electrode separation and unstable drive regions. These actuators suffer from an operational instability, the so-called ...
  • A contribution to the expansion of the applicability of electrostatic forces in micro transducers 
    SCHENK, Harald; CONRAD, Holger; GAUDET, Matthieu; UHLIG, Sebastian; KAISER, Bert; LANGA, Sergiu; STOLZ, Michael; SCHIMMANZ, Klaus (Society of Photo-Optical Instrumentation Engineers, SPIE, 2017)
    Electrostatic actuation is highly efficient at micro and nanoscale. However, large deflection in common electrostatically driven MEMS requires large electrode separation and thus high driving voltages. To offer a solution ...
  • Aspecte teoretice privind regimul juridic al sancţiunilor civile 
    BOSTAN, Ina; NICOLAEV, Elena (Ministerul Justiţiei al Republicii Moldova, 2016)
    The concept of civil sanction, which means basically an indispensable reference pillar for the functioning of any social construction, creates an image of a common natural characteristic that is a matter of course for any ...
  • Aspecte generale ale dezvoltării istorice a conceptului de vinovăţie în Rusia 
    URSU, Viorica (Ministerul Justiţiei al Republicii Moldova, 2016)
    The concept of guilt in Russia was developed under the influence of Western European medieval law, roman law, rules the Christian religion, which, in turn, were influenced by Jewish law. Initially the guilt was understood ...
  • Aspecte teoretice și practice privind utilizarea indicilor urbanistici la nivelul municipiului Chișinău 
    CLIMOVA, Alla; DOGOTARU, Svetlana (Ministerul Justiţiei al Republicii Moldova, 2019)
    Prezentul articol este consacrat problemelor ce țin de executarea documentației urbanistice prin prisma respectării indicilor urbanistici în procesul de realizare a investițiilor pe teritoriul municipiului Chișinău. Astfel, ...
  • Normalized representation of spin valve resistance value by the hyperbolic metric 
    PENIN, Alexandru; SIDORENCO, Anatoly (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2020)
    Magnetoresistive sensors for measuring the magnetic field strength in a wide range up to saturation are considered. Normalized or relative expressions are introduced to change the resistance of the sensor to evaluate the ...
  • Artizani din localitățile din nordul Republicii Moldova – promotori ai covorului tradițional moldovenesc 
    TOCARCIUC, Alina (CEP USM, 2020)
    Alesul covoarelor a fost un meșteșug tradițional atestat în mai multe localități din raioanele Orhei, Strășeni, Călărași, precum și în cadrul mănăstirilor de călugărițe Tabăra, Hâncu, Hirova, Hagimus. În comunicare, în ...
  • Activitatea atelierelor de confecționare a costumului național moldovenesc în primele decenii postbelice 
    BUJOREAN, Tatiana (CEP USM, 2020)
    O trecere în revistă a principalelor aspecte care circumscriu activitatea atelierelor de producție artistică din RSSM (denumite arteluri până în anul 1960) reprezintă un subiect important pentru domeniul etnologiei și ...
  • Educația între prezent și viitor 
    LUNGU, Viorelia (Universitatea de Stat din Tiraspol, 2019)
    Educația are un rol important în o societate în continuă schimbare. În acest context este necesar de a stabili atât realizările cât și competențele necesare pentru a determina performanța, o viziune prospectivă, promovând ...
  • Calcularea limitelor 
    BOTNARU, Dumitru; ŢURCANU, Alina (Universitatea de Stat din Tiraspol, 2018)
    În lucrare sunt studiate o serie de exemple de calculare a limitelor, fiind folosite anumite procedee. A series of examples of limit calculation are studied in the paper, using some methods.
  • Pd-Functionalized ZnO:Eu Columnar Films for Room-Temperature Hydrogen Gas Sensing: A Combined Experimental and Computational Approach 
    LUPAN, Cristian; KHALEDIALIDUSTI, Rasoul; MISHRA, Abhishek Kumar; POSTICA, Vasile; TERASA, Maik-Ivo; MAGARIU, Nicolae; PAUPORTÉ, Thierry; VIANA, Bruno; DREWES, Jonas; VAHL, Alexander; FAUPEL, Franz; ADELUNG, Rainer (American Chemical Society, 2020)
    Reducing the operating temperature to room temperature is a serious obstacle on long-life sensitivity with long-term stability performances of gas sensors based on semiconducting oxides, and this should be overcome by new ...
  • ZnO Micro/Nano Structures by MOCVD and Vapour Transport Technique: Growth and Characterization 
    RUSU, E.; BURLACU, A.; URSAKI, V.; STRATAN, G.; PURICA, M.; BUDIANU, E.; MONAICO, E. (IEEE, 2007)
    ZnO micro/nano structures were grown by metalo-organic chemical vapour deposition (MOCVD) and chemical vapour transport and condensation deposition process on Si and glass substrates. Using MOCVD method were grown uniform ...
  • Observation of surface phonon mode in porous GaP 
    KARAVANSKII, V. A.; ANASTASSAKIS, Evangelos; RAPTIS, Y. S.; SOKOLOV, V. N.; TIGINYANU, I. M.; URSAKI, V. V. (Society of Photo-Optical Instrumentation Engineers, SPIE, 1996)
    Simple preparation technique of nanoporous semiconductors by anodization has opened new ways to form and investigate quantum and surface effects in nanosized objects. It has also allowed technologists to extend the range ...

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