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  • Quantum transport and magnetic phenomena in nano-width crystallite interfaces of topological insulators Bi1-x - Sbx (0,07≤x ≤ 0.2) 
    MUNTYANU, F. M.; CHISTOL, V.; BEJAN, V.; MUNTEANU, V. (Institutul de Fizică Aplicată, 2012)
    In this report, we present the investigation of the magnetic and transport phenomena at low temperatures and in high magnetic fields, having as objective the elucidation of the role played by nano-width CI in the interaction ...
  • Quantum Transport, Superconductivity, and Weak Ferromagnetism at Bicrystal Interfaces of Bi and 3D Topological Insulator BiSb 
    MUNTYANU, Fiodor M.; GILEWSKI, Andrzej; CHISTOL, Vitalie; MUNTEANU, Viorel; ROGACKI, Krzysztof; SIDORENKO, Anatolie (Springer Nature Switzerland, 2018)
    This chapter reviews the results of study of electronic quantum transport, superconductivity, and magnetic phenomena of bicrystals of Bi and BiSb alloy system at temperatures 1.8–100 K and magnetic fields up to 400 kOe. A ...
  • Quantum wells parameters of In0,3Ga0,7As/GaAs VCSEL lasers 
    DOROGAN, A.; DOROGAN, V.; MEREUTA, A.; SYRBU, A.; SYRBU, N.; VIERU, T.; URSAKI, V.; ZALAMAI, V. (Institutul de Fizică Aplicată al AŞM, 2012)
    Injection lasers based on quantum well (QW) and quantum dots (QD) heterostructures with a low value of threshold current density Jth with continuous emission regime and output power value of 3W have been manufactured. VCSEL ...
  • Quartic differential systems with a non-degenerate monodromic critical point and multiple line at infinity 
    ŞUBĂ, Alexandru; VACARAŞ, Olga (Universitatea de Stat din Tiraspol, 2023)
    The quartic differential systems with a non-degenerate monodromic critical point and non-degenerate infinity are considered. We showthat in this family the maximal multiplicity of the line at infinity is seven. Modulo the ...
  • Quasi optical Schottky diode detectors for fast ultra-wideband detection 
    SOBORNYTSKYY, N.; LISAUSKAS, A.; WEICKHMANN, C.; JAKOBI, R.; SEMENOV, A.; HÜBERS, H.; MÜLLER, R.; HOEHL, A.; COJOCARI, O. (IEEE, 2013)
    We present ultra-wideband zero-bias Schottky diode detector modules with monolithically integrated log-spiral antenna. Detectors exhibit a broad-band response with a stronger roll-off above 800 GHz and the minimum ...
  • Quasi optical Schottky diode detectors for fast ultra-wideband detection 
    COJOCARI, O.; SOBORNYTSKYY, N.; WEICKHMANN, C.; JAKOBY, R.; SEMENOV, A.; HÜBERS, H.; MÜLLER, R.; HOEHL, A. (IEEE, 2016)
    We present ultra-wideband zero-bias Schottky diode detector modules with monolithically integrated log-spiral antenna. Detectors exhibit a broad-band response with a stronger roll-off above 800 GHz and the minimum ...
  • Quasi-Newton Methods for Solving Nonlinear Programming Problems 
    MORARU, V. (Institute of Mathematics and Computer Science, 1995)
    In the present paper the problem of constrained equality optimization is reduced to sequential solving a series of problems of quadratic programming. The Hessian of the Lagrangian is approximated by a sequence of symmetric ...
  • Quasi-one-dimensional FFLO state in the Nb/Ni layered system 
    SIDORENKO, A. S.; ZDRAVKOV, V. I.; PREPELITSA, A. A.; HELBIG, C.; LUO, Y.; GSELL, S.; SCHRECK, M.; KLIMM, S.; HORN, S.; TAGIROV, L. R.; TIDECKS, R. (Elservier, 2003)
    We investigated Nb/Ni bilayers prepared by DC magnetron sputtering on glass substrates. The quality of the films was characterized by small-angle X-ray diffraction analysis. The thickness of the layers was determined by ...
  • Quasi-one-dimensional Fulde-Ferrell-Larkin-Ovchinnikov-like state in Nb/Cu0.41Ni0.59 bilayers 
    SIDORENKO, A. S.; ZDRAVKOV, V. I.; KEHRLE, J.; MORARI, R.; OBERMEIER, G.; GSELL, S.; SCHRECK, M.; MÜLLER, C.; KUPRIYANOV, M. Yu.; RYAZANOV, V. V.; HORN, S.; TAGIROV, L. R.; TIDECKS, R. (Springer Nature Switzerland, 2009)
    In a ferromagnet (F) being in contact with a superconductor (S) an unconventional finite-momentum pairing of electrons forming Cooper pairs occurs. As a consequence, interference effects of the pairing wave function, leading ...
  • Quasi-Optic Transmitter and Receiver Modules Enabling Next-Generation Ultra-Broadband Wireless Links at Carrier-Wave Frequencies Ranging from 60 to 180 GHz 
    MUHSIN, Ali; GUZMÁN, Robinson Cruzoe; COJOCARI, Oleg; NELLEN, Simon; SANTAMARÍA, Gabriel; GARCÍA-MUÑOZ, Luis Enrique; SEGOVIA-VARGAS, Daniel; GLOBISCH, Björn; CARPINTERO, Guillermo (Springer Nature Switzerland, 2019)
    A wireless link using quasi-optic transmitter and receiver modules is demonstrated, enabling carrier wave frequency selection within various millimeter-wave bands from E-band to D-band without changing the modules. The ...
  • Quasi-Optical Schottky Barrier Diode Detector for mmWave/sub-THz Wireless Communication 
    MUHSIN, Ali; GUZMAN, Robinson Cruzoe; RIVERA-LAVADO, Alejandro; COJOCARI, Oleg; GARCIA-MUFIOZ, Luis Enrique; CARPINTERO, Guillermo (IEEE, 2018)
    We report on the development of a compact quasioptical zero-bias Schottky barrier diode (QO-SBD) envelope detector for mmWave/sub-THz frequencies. The detector consists of a Schottky diode mounted on a self-complementary ...
  • Quasi-Ordered Networks of Metal Nanotubes Embedded in Semiconductor Matrices for Photonic Applications 
    TIGINYANU, I. M.; URSAKI, V. V.; MONAICO, E.; ENACHI, M.; SERGENTU, V. V.; COLIBABA, G.; NEDEOGLO, D. D.; COJOCARU, A.; FÖLL, H. (American Scientific Publishers, 2011)
    We report on templated fabrication of metal nanotubes by electrochemical pulsed deposition of Pt in InP and ZnSe porous layers with pore diameters from 40 to 400 nm. Ordered two-dimensional hexagonal arrays of pores are ...
  • Quince (Cydonia oblonga) paste: functional ingredient for pastries 
    SUHODOL, Natalia; COVALIOV, Eugenia; CHIRSANOVA, Aurica; RESITCA, Vladislav; DESEATNICOVA, Olga (Galati University Press, 2021)
    The aim of this research is to obtain functional pastry products with quince paste as texture agent. The paper presents functional pastry preparations with the addition of quince paste, which come to diversify the range ...
  • Quo vadis, Academie? 
    DULGHERU, Valeriu (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2017)
    Academia de Știinţe a Moldovei trebuie să rămână o entitate de cercetare reformată, optimizată, restructurată, dar integră. Până la urmă, eșecul acestei așa numite reformări ar putea să ne coste enorm, iar banii sunt ai ...
  • Radiative recombination processes in β-ZnP2 single crystals 
    MITIOGLU, A.; MOROZOV, V.; KULYUK, L.; SYRBU, N. (Institutul de Fizică Aplicată al AŞM, 2010)
    The exciton states in monoclinic β-ZnP2 crystals was the subject of many research papers over a long period of time and have been extensively examined. In this work is reported that besides the excitonic luminescence in ...
  • Radical Scavenging Capacity of Walnut Oil: Effect of some Antioxidants on Storage Period 
    POPOVICI, Cristina; BAERLE, Alexei; RADU, Oxana; TATAROV, Pavel (National University of Food Technologies, Kiev, 2016)
    Among the nuts, walnut is characterized by its important amount of oil (60-65% of flesh weight). The oil extracted from walnut exhibits high contents of polyunsaturated fatty acids ω-6 (linoleic acid) and ω-3 (linolenic ...
  • Radicals and generalizations of derivations 
    COJUHARI, Elena; GARDNER, Barry (Institutul de Matematică şi Informatică al AŞM, 2017)
    By results of Slin’ko and of Anderson, the locally nilpotent and nil radicals of algebras over a field of characteristic 0 are preserved by derivations. This note deals with radical preservation by various generalizations ...
  • Radicals and idempotents I 
    COJUHARI, E. P.; GARDNER, B. J. (Taylor & Francis, 2021)
    A corner of a ring A is a subring eAe, where e is an idempotent. Radical and semi-simple classes which are hereditary for corners and cases where the radical of a ring contains all radical corners are studied.
  • Rain cover for table grapes and its benefits 
    BOTEZATU, Andrei (Universitatea de Studii Europene din Moldova, 2024)
    Agriculture represents a vital component of the global economy, and table grape production is one of the most significant agricultural activities worldwide. However, farmers often face weather-related challenges, such as ...
  • Raman and electrical characterization of n-InP implanted by 630-keV nitrogen 
    TIGINYANU, I. M.; MIAO, J.; HARTNAGEL, H. L.; RUCK, D.; TINSCHERT, K.; URSAKI, V. V.; ICHIZLI, V. M. (IEEE, 1996)
    The goal of this work was to study the peculiarities of lattice disorder and conductivity compensation caused by N-implantation in liquid encapsulated Czochralski grown n-InP single crystals. The ion-induced damage of the ...

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