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Browsing Articole din publicaţii internaţionale by Title

Browsing Articole din publicaţii internaţionale by Title

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  • Birefringence in quantum wells of heterostructures In0.68Al0.1Ga0.13As/In0.42Al0.22Ga0.24As/InP 
    SYRBU, N.; DOROGAN, A.; DOROGAN, V.; ZALAMAI, V. (Elservier, 2015)
    The polarization dependences of reflection and wavelength modulated reflection spectra of quantum wells In0.68Al0.1Ga0.13As/In0.42Al0.22Ga0.24As were investigated. Spectral dependences of refractive indices, extinction ...
  • Birefringence of Cu2ZnSiSe4 single crystals 
    SYRBU, N. N.; ZALAMAI, V.; GUC, M.; LEVCENKO, S.; DOROGAN, A.; ARUSHANOV, E. (Elservier, 2015)
    In Cu2ZnSiSe4 single crystals an interference spectra of the Fabry–Perot type due to observed birefringence were studied and spectral dependence of the refractive index n|| (E||c) and n⊥ (E⊥c), which intersect at isotropic ...
  • Birefringence of CuGa2S4 crystals 
    SYRBU, N.; DOROGAN, A.; URSAKI, V.; STAMOV, I.; TIGINYANU, I. M. (The Electrochemical Society, 2011)
    Investigation of the spectral characteristics as a function of the crystal thickness demonstrates that one can create filters using thin crystals for selecting several spectral lines. The wavelength of these lines is ...
  • Birefringence of CuGaxAl1-xSe2 crystals 
    SYRBU, N. N.; DOROGAN, A. V.; MASNIK, A.; URSAKI, V. V. (IOP Publishing, 2011)
    Excitonic reflection spectra of CuAlSe2 crystals were studied at 10 K. The spectral dependences of refractive indices no and ne were calculated. The isotropic wavelength (the point of intersection of no and ne) in the ...
  • Birefringence of SnSe single crystals in excitonic and electronic transitions region 
    ZALAMAI, V. V.; TIRON, A. V.; RUSU, E. V.; SYRBU, N. N. (IOP Publishing, 2019)
    Absorption spectra in temperature range 300–10 K were studied. The minimal band gap A1 (1.091 eV at 300 K) is formed by direct allowed in E∣∣c polarization and forbidden in E∣∣a polarizations transitions. The next interval ...
  • Birefringence of ZnP2-D48 and Characteristics of Ме-ZnP2 Diodes 
    STAMOV, I. G.; SYRBU, N. N.; NEMERENCO, L.; ZALAMAI, V. (Open Science Publishers, 2015)
    Spatial dispersion in ZnP2-D4 8 has been studied. The spectral dependences of the refractive index nс (Е||с, k||a), nа (Е||а, k||с) and nb (E||b, k||c) had been determined. ZnP2-D4 8 crystals are isotropic at λо=612nm ...
  • Birocrația de urgență: pregătirea autorităților pentru noile provocări 
    PRODAN-ŞESTACOVA, Liubovi (Academia de Administrare Publică, Republica Moldova, 2021)
    The activity of public authorities in the western space during the last two centuries had the characteristics of a classic bureaucracy. A number of principles of this model of organization of administrative structures gave ...
  • Bistability effects in mechanics and its experimental demonstration 
    CHISTOL, Vitalie; CIOCHINA, Dumitru; TRONCIU, Vasile (Publishing House of the Romanian Academy, 2023)
    We report examples of obtaining the bistability effect in mechanics and the experimental demonstration of this effect. We propose to use the graphical method of solving physics problems. The method explains qualitatively ...
  • Blended teaching and learning approach applied to electrical and computer engineering education 
    ADĂSCĂLIŢEI, Adrian; ARĂDOAIEI, Sebastian Teodor; TODOS, Petru Ion; DULGHERU, Valeriu (Technical Sciences Academy of Romania, 2020)
    The article presents a review of the current e-pedagogical methods to develop Electrical and Computer Engineering Education (ECEE) Study Programs using Blended an Learning (BTL). Engineering crucial experimental competences ...
  • Blue-red electroluminescence from hybrid Eu:phosphors/ZnO-nanowires/p-GaN LED 
    VIANA, B.; PAUPORTE, T.; LUPAN, O.; DEVIS, L.; GACOIN, T. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2014)
    Nanowire (NW) based light emitting diodes (LEDs) have drawn great research interest due to many advantages compared to thin film based devices. Marked improved performances are expected from nanostructured active layers ...
  • Blue-red electroluminescence from hybrid Eu:phosphors/ZnO-nanowires/p-GaN LED 
    VIANA, B.; PAUPORTE, T.; LUPAN, O.; DEVIS, L.; GACOIN, T. (SPIE, 2021)
    Nanowire (NW) based light emitting diodes (LEDs) have drawn great research interest due to many advantages compared to thin film based devices. Marked improved performances are expected from nanostructured active layers ...
  • Body zero frequency modes in photonic crystals of nanopores and nanocylinders 
    SERGENTU, Vladimir; URSAKI, Veaceslav; SIRBU, Lilian (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2013)
    In this paper, we demonstrate that body zero frequency modes can exist at extremely low frequencies in a system of nanocylinders made of non-dissipative material. Such kind of modes is not specific to single nanocylinders, ...
  • Boris Șirocorad – promotor al multiplelor figuri de stil în grafica satirică 
    ADASCALIȚA, Lucia (Institutul Patrimoniului Cultural al AŞM, 2021)
    Creația artistului Boris Șirocorad este bogată și diversă din punct al tematicii, diversității de gen, particularităților stilistice, tehnicilor de realizare, modalităților de structurare compozițională și a mesajelor ...
  • Bose-Einstein condensation in the two-component non-linear exciton gas 
    MOSKALENKO, S. A.; BOBRYSHEVA, A. I.; RUSSU, S. S.; BALTAGA, V. V.; LELYAKOV, A. V. (IOP Publishing, 1985)
    The statistical properties of non-linear two-component ortho-para exciton gas are considered, employing the Bogoliubov variational principle and the mean-field approximation. The exciton concentrations are determined from ...
  • Bound exciton in CuGaS2 
    SYRBU, N. N.; BEJAN, V. N.; TEZLEVAN, V. E.; NEMERENCO, L. L. (Institutul de Fizică Aplicată, AŞM, 2006)
    In CuGaS2 crystals absorption and luminescence spectra at the temperature 9 К at excitation by different wavelengths of Ar+ laser are investigated. In the luminescence and absorption spectra in crystals CuGaS2 at the ...
  • Bound exciton in CuGaS2 
    SYRBU, N. N.; NEMERENCO, L. L.; BEJAN, V. N.; TEZLEVAN, V. E. (Elservier, 2007)
    In CuGaS2 crystals absorption and luminescence spectra at the temperature 9K at excitation by different wavelengths of Ar laser are investigated. A series of lines available in luminescence and absorption spectra is found. ...
  • Breadmaking Quality Parameters of Different Varieties of Triticale Cultivars 
    GHENDOV-MOSANU, Aliona; POPA, Nicolae; PAIU, Sergiu; BOESTEAN, Olga; BULGARU, Viorica; LEATAMBORG, Svetlana; LUPASCU, Galina; CODINĂ, Georgiana Gabriela (MDPI (Basel, Switzerland), 2024)
    The aim of this research is to investigate the quality of different triticale cultivars (Ingen 35, Ingen 33, Ingen 93, Ingen 54, Ingen 40, Fanica and Costel) cultivated in the Republic of Moldova from the point of view of ...
  • Broadband power detector using a circularly-toothed planar logarithmic-periodic antenna 
    SYDLO, C.; KÖGEL, B.; COJOCARI, O.; FEIGINOV, M.; HARTNAGEL, H. L.; MEISSNER, P. (IEEE, 2005)
    A broadband antenna has been coupled to a planar Schottky diode for the realisation of a sensitive power detector for mm-wave frequencies. The measured response curve is in agreement with calculations and shows values of ...
  • Broadband zero-bias Schottky detector for E-field measurements up to 100 GHz and beyond 
    HOEFLE, M.; PENIRSCHKE, A.; COJOCARI, O.; JAKOBY, R. (IEEE, 2013)
    A broadband detector for electrical field measurements is presented in this paper, deploying an attenuated dipole resonance. High sensitive zero-bias Schottky diodes with anode diameters of 1.5μm allow electrical field ...
  • Buckminsterfullerene hybridized zinc oxide tetrapods: defects and charge transfer induced optical and electrical response 
    SMAZNA, Daria; RODRIGUES, Joana; SHREE, Sindu; POSTICA, Vasile; NEUBÜSER, Gero; MARTINS, A. F.; BEN SEDRINE, N.; JENA, Naresh K.; SIEBERT, Leonard; SCHÜTT, Fabian; LUPAN, Oleg; AHUJA, Rajeev; CORREIA, M. R.; MONTEIRO, Teresa; KIENLE, Lorenz; YANG, Ya; ADELUNG, Rainer; MISHRA, Yogendra Kumar (The Royal Society of Chemistry, 2018)
    Buckminster fullerene (C60) based hybrid metal oxide materials are receiving considerable attention because of their excellent fundamental and applied aspects, like semiconducting, electron transfer, luminescent behaviors, ...

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