2021: Recent submissions

  • Minimally Invasive, Fully Implantable Left Ventricular Assist Device: Concept, Design, and Early Prototyping 
    PLEȘOIANU, F. A.; PLEȘOIANU, C.E.; ȚĂRUȘ, A.; TINICĂ, G. (Universitatea Tehnică a Moldovei, 2021)
    Advanced heart failure is an increasing prevalent pathology with important socio-economic impact, justifying the tremendous worldwide effort to develop and improve valuable alternatives to heart transplantation. Mechanically ...
  • A Less Traditional Approach to Biomedical Signal Processing for Sepsis Prediction 
    IAPĂSCURTĂ, V. (Universitatea Tehnică a Moldovei, 2021)
    Most of the data generated by monitors in a clinical setting represent time series data which can be visualized and subsequently used for decision making. This usually is the simplest part. A more challenging aspect is ...
  • A Brain-Computer Interface for Controlling a Mobile Assistive Device by Using the NeuroSky EEG Headset and Raspberry Pi 
    RUȘANU, O.A. (Universitatea Tehnică a Moldovei, 2021)
    The brain-computer interface (BCI) constitutes an excellent solution for people with neuromotor disabilities that need an alternative communication and control channel with the outside environment. This paper proposes a ...
  • Magnetothermopower Features in Bismuth Nanowires at 80 K 
    CONDREA, E.; MUNTYANU, F. M.; CHISTOL, V. (Universitatea Tehnică a Moldovei, 2021)
    Measurements of the magnetothermopower in single bismuth wires are performed at 80 K. Manifestation of the asymmetry in the magnetothermopower designated as Umkher effect is observed with the opposite direction of the ...
  • Direct Surface Patterning Using Carbazole-based Azopolymer 
    PAIUK, O.; MESHALKIN, A.; STRONSKI, A.; ACHIMOVA, E.; LOSMANSCHII, C.; KORCHOVYI, A.; DENISOVA, Z.; GORONESKUL, V.; OLEKSENKO, P. (Universitatea Tehnică a Moldovei, 2021)
    This paper is devoted to the investigations of the recording of 1-D and 2-D holographic gratings using thin films of polyepoxypropylcarbazole (PEPC) obtained by deposition from solutions and their use as registering media ...
  • Characteristics of Surface-Barrier Structures on Zinc Diarsenide with Hole Conductivity 
    STAMOV, I.G.; TKACHENKO, D.V.; STREL’CHUK, YU. (Universitatea Tehnică a Moldovei, 2021)
    The surface-barrier photosensitive structures based on zinc diarsenide crystals with metals have been produced. The electrical and photovoltaic properties of these structures were investigated. The photocurrent spectra ...
  • Nanomodification of the activated concrete mixture in magnetofluidized layer 
    GONCIARUC, V.P.; BOLOTIN, O.A.; BOLOGA, M.K.; VRABIE, E.G.; POLICARPOV, A.A. (Universitatea Tehnică a Moldovei, 2021)
    The results of concrete hardening due to nanomodification using graphene of a mixture of sand and Portland cement, activated in a magnetofluidized layer, are presented. The magnetofluidized layer is a suspension of ...
  • Comparative Analysis of Iron Oxide Nanoparticle's (Fe3O4) Cytotoxicity Synthesized by Chemical and Biogenic Methods 
    FARSIYAN, L.M.; KAZARYAN, Sh.A.; HOVHANNISYAN, A.A. (Universitatea Tehnică a Moldovei, 2021)
    For the use of iron oxide nanoparticles (NPs) for medical purposes, they must have the following properties: low cytotoxicity, bioavailability, the possibility of large-scale production, etc. Nowadays, there are many ...
  • Photoluminescence Properties of Eu(TTA)3(Ph3PO)2 
    BORDIAN, O.; VERLAN, V.; IOVU, M. S.; CULEAC, I.; ZUBAREVA, V.; ENACHESCU, M.; BOJIN, D.; SIMINEL, A. (Universitatea Tehnică a Moldovei, 2021)
    Europium(III) coordination compound Eu(TTA)3(Ph3PO)2 (1) {TTA = thenoyltrifluoroacetonate, Ph3PO = triphenylphosphine oxide} has been prepared and characterized. Powder samples of the complex have been characterized ...
  • Structural Characterization of Some As-S-Sb-Te Nanostructured Materials 
    IASENIUC, O.V.; IOVU, M.S. (Universitatea Tehnică a Moldovei, 2021)
    Nanostructured As-S-Sb-Te semiconductors were synthesized and characterized by Xray fluorescence analyzer (XRF), X-ray diffraction, and optical absorption methods. The X-ray diffraction patterns of ivestigated powders ...
  • Controlling the Degree of Hydrophilicity/Hydrophobicity of Semiconductor Surfaces Via Porosification and Metal Deposition 
    MONAICO, E.V.; BUSUIOC, S.; TIGINYANU, I.M. (Universitatea Tehnică a Moldovei, 2021)
    In this paper we present a systematic study of bulk GaAs wafers and gold-decorated GaAs surfaces exhibiting hydrophilic and hydrophobic behaviors. The wetting properties can be switched to superhydrophilicity and ...
  • Relaxation Parameters of Cu/substrate Type Coated Systems under Nanoindentation 
    GRABCO, D.; PYRTSAC, C.; SHIKIMAKA, O. (Universitatea Tehnică a Moldovei, 2021)
    In this work, we studied the relaxation parameters, he-p and hres, of three composite structures Cu/LiF, Cu/MgO, and Cu/Si, which have different types of a chemical bond between the substrates (ionic (LiF), ionic-covalent ...
  • Highly Conductive ZnO Thin Films Deposited Using CVT Ceramics as Magnetron Targets 
    COLIBABA, G.V.; RUSNAC, D.; FEDOROV, V.; COSTRIUCOVA, N.; MONAICO, E.V.; POTLOG, T. (Universitatea Tehnică a Moldovei, 2021)
    Sintering of ZnO+Me2O3 (Me = Al, Ga, In) powder via chemical vapor transport based on HCl has been developed. The electrical properties of ZnO thin films obtained by DC magnetron sputtering of ZnO ceramic targets have been ...
  • Variation of Acoustic Properties with Material Parameters in Layered Nanocomposites 
    COJOCARU, S. (Universitatea Tehnică a Moldovei, 2021)
    We discuss some general features of the elastic vibration spectrum in layered nanocomposites based on the newly developed approach. The focus is on the compounds without any layering symmetry and on the dependence of their ...
  • Phase Transition in Laser Irradiated TiO2 Thin Films 
    LUNGU, I.; GHIMPU, L.; POTLOG, T.; MEDVIDS, A.; MOISE, C. (Universitatea Tehnică a Moldovei, 2021)
    In this study, the laser processing of thermally annealed TiO2 thin films at 420 ℃ in hydrogen atmosphere, utilizing an pulsed fourth-harmonic generation Nd: YAG laser employing different laser intensities in the atmosphere ...
  • Aerosol Spray Deposited Wurtzite ZnMgO Alloy Films with MgO Nanocrystalline Inclusions 
    MORARI, V.; RUSU, E. V.; URSAKI, V. V.; NIELSCH, K.; TIGINYANU, I. M. (Universitatea Tehnică a Moldovei, 2021)
    In this paper Zn1-xMgxO thin films with composition range x = 0.00 – 0.80 have been obtained by aerosol spray deposition method on p-Si substrates by using zinc acetate and magnesium acetate as precursors. The produced ...
  • Electrical Characterization of Individual Boron Nitride Nanowall Structures 
    POSTICA, V.; SCHÜTT, F.; LUPAN, C.; KRÜGER, H.; ADELUNG, R.; LUPAN, O. (Universitatea Tehnică a Moldovei, 2021)
    In this work, the individual hexagonal boron nitride (h-BN) microtubular structures with different diameter (ranging from ≈ 0.2 to ≈ 2.5 μm) and a wall thickness below 25 nm were investigated for the first time by integration ...
  • Quantum photon conversion via coherently driven permanent dipole systems 
    CARLIG, S.; MIRZAC, A.; BARDETSKI, P.; MACOVEI, M. A. (Universitatea Tehnică a Moldovei, 2021)
    The photon quantum dynamics in a damped single-mode quantized cavity field coupled with a resonantly driven two-level system possessing nonzero permanent dipoles is investigated here. The interacting subsystems are very ...
  • Influence of Double Feedback on Stationary States of Quantum Dots Lasers 
    GRIGORIEV, E.; RUSU, S.; TRONCIU, V. (Universitatea Tehnică a Moldovei, 2021)
    We report in this paper the results of theoretical investigations of the influence of double feedback on the stationary states of quantum dots lasers. The Bloch equations model was used to simulate and analyze these states. ...
  • Tunable Ferromagnetic Nanomaterials for 6G Technology: Fundamentals and Prospects 
    ALYABYEVA, L.; GORBACHEV, E. (Universitatea Tehnică a Moldovei, 2021)
    Modern subterahertz-terahertz technologies, including 5G and 6G wireless telecommunication and THz optoelectronics, apply for working frequency range of tens of gigahertz to several terahertz (millimeter-submillimeter ...

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