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  • HOEFLE, Matthias; PENIRSCHKE, Andreas; COJOCARI, Oleg; AMRHEIN, Andreas; DECOOPMAN, Thibaut; PIIRONEN, Petri; JAKOBY, Rolf (IEEE, 2013)
    A modeling concept for accurate prediction of 1/f-noise in millimeter wave Schottky detectors is presented. The concept is based on DC bias current measurements with precise knowledge of the diode structure. Key aspect is ...
  • TIGINYANU, I.; URSAKI, V.; POPA, V. (Woodhead Publishing, 2011)
    Technological approaches for the fabrication of ultra-thin membranes for sensor applications are reviewed, with the main focus on graphene and two-dimensional (2D) sheets of layered compounds such as BN, MoS2, Bi2Te3, ...
  • ANDRONIC, Silvia (Academy of Sciences of Moldova, 2015)
    The Peierls structural transition in quasi-one-dimensional (Q1D) TTF-TCNQ organic crystals of is studied in the 3D approximation. Two the most important electronphonon interactions are considered. The analytic expression ...
  • SIEBERT, Leonard; LUPAN, Oleg; MIRABELLI, Mattia; ABABII, Nicolai; TERASA, Maik-Ivo; KAPS, Sören; CRETU, Vasilii; VAHL, Alexander; FAUPEL, Franz; ADELUNG, Rainer (American Chemical Society, 2019)
    In this work, the one-step three-dimensional (3D) printing of 20 nm nanowire (NW)-covered CuO/Cu2O/Cu microparticles (MPs) with diameters of 15–25 μm on the surface of the glass substrate forming an ordered net is successfully ...
  • FOGEL, Nina Ya.; CHERKASOVA, V. G.; RYBALCHENKO, V. N.; KORETZKAYA, O. A.; SIDORENKO, A. S. (Springer Nature Switzerland, 1996)
    Two-dimensional and three-dimensional vortex-lattice melting is observed on superconducting Mo/Si multilayers. Quasi-2D melting takes place in the range of high magnetic fields. The position of the melting transition on ...
  • SCHUR, J.; BIBER, S.; COJOCARI, O.; SCHMIDT, L.-P.; HARTNAGEL, H.-L. (IEEE, 2013)
    In this paper we present measurement results of a micro-machined split-block waveguide mixer for 600 GHz. The mixer implements a planar GaAs Schottky diode on a quartz substrate. Two different diode designs used for this ...
  • HOEFLE, Matthias; COJOCARI, Oleg; RICKES, Martin; SOBORNYTSKYY, Mykola; MONTERO-DE-PAZ, Javier; DECOOPMAN, Thibaut; KANTANEN, Mikko; PÉRICHAUD, Marie-Genevieve; PIIRONEN, Petri (IEEE, 2016)
    Presented is an 89 GHz waveguide coupled direct detector based on ACST low-barrier Schottky diodes. Signal-to-noise ratio (SNR) values above 35 dB within 6 dB input power dynamic are achieved with high voltage responsivity ...
  • HOEFLE, M.; PENIRSCHKE, A.; COJOCARI, O.; DECOOPMAN, T.; TRIER, M.; PIIRONEN, P.; PÉRICHAUD, M. G.; JAKOBY, R. (The Institution of Engineering and Technology, 2014)
    An 89 GHz waveguide coupled direct detector based on a low-barrier Schottky diode is presented. The main focus is to reduce white and 1/f noise to achieve high signal-to-noise ratio values above 35 dB. The design also ...
  • URSAKI, V. V.; TIGINYANU, I. M. (Springer-Verlag Berlin Heidelberg, 2014)
    Phase transitions in AIIBIII2XVI4 compounds with initial structures different from cubic spinel or tetragonal chalcopyrites and stannites are analyzed in this chapter on the instance of layered AIIInGaS4 crystals with Cd, ...
  • PLATON, Liliana (Institutul Patrimoniului Cultural al AȘM, 2019)
    Prezentul articol urmărește să evidențieze procesul și tendințele de abordare plastică din pictura figurativă moldovenească din anii ’60 ai secolului al XX-lea. În această perioadă se remarcă un interes sporit pentru ...
  • URSU, Leonid (Institutul de Matematică şi Informatică al AŞM, 2014)
    It is known that an n-IP-quasigroup can have more than one inversion matrix. We prove that one of these matrices for a 3-ary IP-loop and for a 4-ary IP-loop is the matrix of permutations every of which fixes identity of a ...
  • URSU, Leonid (Institutul de Matematică şi Informatică al AŞM, 2017)
    It is known that n-IP-quasigroups have more than one inversion matrix. It is proved that one of these inversion matrices in the class of non-symmetric n-IP-loops is so-called matrix [Iij ] of permutations, any of which has ...
  • GRABKO, Daria; PALISTRANT, Natalia; DYNTU, Maria; MEDINSCHI, Maria; RUSU, E. (Romanian Academy, 1998)
    The regularities of plastic deformation under the action of concentrated load in two crystallographic directions <100> and <110> in InP crystals doped with zinc have been investigated.
  • CEBOTARU, Elena (Universitatea de Stat din Tiraspol, 2019)
    We consider the Newtonian restricted eight bodies problem with incomplete symmetry. We investigate the stability of some configurations of this problem. The values of the parameters that describe the Newtonian problem of ...
  • MUSINSCHI, V.; CARAMAN, M.; MUSINSCHI, C. (Academy of Sciences of Moldova, 2011)
    Spectral characteristics of the fundamental absorption coefficient and photoconductivity of PbMoO4 crystals with two polarizations in a temperature range of 77 to 300 K are investigated. The measurements of light transmitted ...
  • MUSINSCHI, V.; MUSINSCHI, C. (Institutul de Fizică Aplicată al AŞM, 2012)
    The interest to the study of optical properties of PbMoO4 crystals is determined not only by fundamental physical mechanism present in this material, but also by a wide spectrum of possible applications in high speed ...
  • IOVU, M. S.; ANDRIES, A. M.; SYRBU, N. N.; SEDDON, A. B.; FURNISS, D.; ADRIAENSSENS, G. J.; TVER'YANOVICH, Yu. S. (Society of Photo-Optical Instrumentation Engineers, SPIE, 2007)
    The visible luminescence from Pr3+, Dy3+, Nd3+, Sm3+ and co-doped with Ho3+ and Dy3+ ions embedded in Ga0.017Ge0.25As0.083S0.65 glass hosts at room temperature and at T10 K is reported, when pumping with an Ar+-ion laser ...
  • IOVU, M. S.; ANDRIESH, A. M.; LUPAN, E. V.; CIORNEA, V. I.; SYRBU, N. N. (Society of Photo-Optical Instrumentation Engineers, SPIE, 2007)
    The visible luminescence from Pr3+, Dy3+, Nd3+, Sm3+ and codoped with Ho3+ and Dy3+ ions embedded in Ga0.017Ge0.25As0.083S0.65 glass hosts at room temperature and at T=10 K is reported, when pumping with an Ar+-ion laser ...
  • TSIULYANU, D. I.; GUMENYUK, N. A. (Springer Nature Switzerland, 1990)
    The interest in the optical properties of glassy materials of the As-S-Ge system and thin layers based on them has increased recently owing to the development of electro-optics and integrated optics. These materials form ...

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