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Browsing Articole din publicaţii internaţionale by Author "RUSU, E. V."

Browsing Articole din publicaţii internaţionale by Author "RUSU, E. V."

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  • Band structure and optical constants of SnS2 single crystals 
    RUSU, E. V.; SYRBU, N. N.; TIRON, A. V.; ZALAMAI, V. V. (IOP Publishing, 2019)
    Absorption (K), reflection (R) and wavelength modulated transmission (ΔT/Δλ) spectra in SnS2 crystals of hexagonal phase (space group P63/mmc) were investigated in temperature interval from 300 to 10 K. It was established ...
  • 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 ...
  • A comparative study of guided modes and random lasing in ZnO nanorod structures 
    URSAKI, V. V.; ZALAMAI, V. V.; BURLACU, A.; FALLERT, J.; KLINGSHIRN, C.; KALT, H.; EMELCHENKO, G. A.; REDKIN, A. N.; GRUZINTSEV, A. N.; RUSU, E. V.; TIGINYANU, I. M. (IOP Publishing, 2009)
    Hexagonal and arrow-headed ZnO nanorod structures have been grown by low pressure chemical vapour deposition (CVD) and atmospheric pressure metal-organic CVD. The technology ensures a high optical quality of the produced ...
  • Exciton polariton spectra and carrier effective masses in ZnO single crystals 
    SYRBU, N. N.; TIGINYANU, I. M.; ZALAMAI, V. V.; URSAKI, V. V.; RUSU, E. V. (ELSEVIER, 2004)
    Photoreflectivity and photoluminescence spectra in the region of exciton resonance were measured in ZnO single crystals. A, B, and C exciton binding energies were determined from the energy position of the ground and excited ...
  • Functionalized individual ZnO microwire for natural gas detection 
    CHAI, G. Y.; LUPAN, O.; RUSU, E. V.; STRATAN, G. I.; URSAKI, V. V.; SONTEA, V.; KHALLAF, H.; CHOW, L. (ELSEVIER, 2012)
    A single ZnO microwire detector for the monitoring of natural gas species is described. Single-crystal ZnO microwires were synthesized using a carbothermal reduction vapor phase transport method. It was characterized by ...
  • Guided mode lasing in ZnO nanorod structures 
    URSAKI, V. V.; ZALAMAI, V. V.; BURLACU, A.; FALLERT, J.; KLINGSHIRN, C.; KALT, H.; EMELCHENKO, G. A.; REDKIN, A. N.; GRUZINTSEV, A. N.; RUSU, E. V.; TIGINYANU, I. M. (ELSEVIER, 2009)
    Quasi-two-dimensional arrays of nearly parallel hexagonal ZnO nanorods and a three-dimensional cylindrical microstructure consisting of ZnO nanorods have been grown by low pressure chemical vapor deposition (CVD) and ...
  • The impact of morphology upon the radiation hardness of ZnO layers 
    BURLACU, A.; URSAKI, V. V.; SKURATOV, V. A.; LINCOT, D.; PAUPORTE, T.; ELBELGHITI, H.; RUSU, E. V.; TIGINYANU, I. M. (IOP Publishing, 2008)
    It is shown that ZnO nanorods and nanodots grown by MOCVD exhibit enhanced radiation hardness against high energy heavy ion irradiation as compared to bulk layers. The decrease of the luminescence intensity induced by 130 ...
  • Impact of size upon lasing in ZnO microtetrapods 
    ZALAMAI, V. V.; URSAKI, V. V.; TIGINYANU, I. M.; BURLACU, A.; RUSU, E. V.; KLINGSHIRN, C.; FALLERT, J.; SARTOR, J.; KALT, H. (Springer Nature Switzerland, 2010)
    High optical quality, well end leg faceted ZnO microtetrapods with leg length between 1 and 12 μm have been grown by carbothermal chemical vapor deposition. Lasing with mode quality factors of 2500–3000 is demonstrated. ...
  • Injection photodiode based on an Al–p-Si–n-Zn85Mg15O–n-Zn65Mg35O–Ag structure 
    MORARI, V.; RUSU, E. V.; POSTOLACHE, V.; URSAKI, V. V.; TIGINYANU, I. M.; ROGACHEV, A. V.; SEMCHENKO, A. V. (Publishing House of the Romanian Academy, 2021)
    A series of Zn1−xMgxO thin films with the composition range x = 0.00–0.60 has been prepared by aerosol spray pyrolysis deposition on Si or quartz substrates. The morphology, composition, crystals structure, and optical ...
  • Multiphonon resonant Raman scattering in ZnO crystals and nanostructured layers 
    URSAKI, V. V.; TIGINYANU, I. M.; ZALAMAI, V. V.; RUSU, E. V.; EMELCHENKO, G. A.; MASALOV, V. M.; SAMAROV, E. N. (American Physical Society, 2004)
    Multiphonon resonant Raman scattering (RRS) was studied in unintentionally doped bulk ZnO crystals and layers, including nanostructured and highly conductive films, excited by 351.1 and 363.8 nm laser lines in the temperature ...
  • Nanoindentation of ZnSnO/Si thin films prepared by aerosol spray pyrolysis 
    MORARI, V.; PYRTSAC, C.; CURMEI, N.; GRABCO, D.; RUSU, E. V.; URSACHI, V. V.; TIGINYANU, I. M. (Publishing House of the Romanian Academy, 2021)
    Thin ZnSnO films with different thickness deposited on Si substrates by aerosol spray pyrolysis were investigated by scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), ...
  • New manufacturing technology for InP epitaxial layers and properties of Schottky diodes made on their basis 
    ARSENTIEV, I. N.; BOBYI, A. V.; BOLTOVETS, N. S.; IVANOV, V. N.; KONAKOVA, R. V.; KUDRYK, Y. Y.; LYTVYN, O. S.; MILENIN, V. V.; TARASOV, I. S.; BELYAEV, A. E.; RUSU, E. V. (IEEE, 2004)
    A new technological approach to production of structurally perfect epitaxial films LPE-grown on "soft" porous n/sup +/-InP substrates is considered. We studied surface morphology, boundary between phases in TiB/sub x/-n-InP ...
  • Optical characterization of hierarchical ZnO structures grown with a simplified vapour transport method 
    URSAKI, V. V.; RUSU, E. V.; SARUA, A.; KUBALL, M.; STRATAN, G. I.; BURLACU, A.; TIGINYANU, I. M. (IOP Publishing, 2007)
    A new ZnO micro/nanostructure morphology in the form of micro-torches was grown in the family of ZnO hierarchical structures by a simplified thermal chemical vapour transport and condensation method using a vertical furnace. ...
  • Photoelectrical properties of isotype heterostructure with Schottky barrier Pd-p-InP/p-InGaAs/p-InP 
    RUSU, E. V.; SLOBODCHIKOV, S. V.; SALIKHOV, H. M.; TURCU, M. (IEEE, 1998)
    The electrical and photoelectrical characteristics of the isotype p-InP/p-InGaAs heterostructure with the Pd-p-InP Schottky barrier as well as the impact of 500 ppm H/sub 2/ atmosphere on these characteristics have been ...
  • Photoluminescence and resonant Raman scattering in highly conductive ZnO layers 
    ZALAMAI, V. V.; URSAKI, V. V.; RUSU, E. V.; ARABADJI, P.; TIGINYANU, I. M.; SIRBU, L. (American Institute of Physics, 2004)
    Photoluminescence (PL) and resonant Raman scattering (RRS) excited by the 351.1nm line of an Ar+ laser were studied in highly conductive ZnO layers deposited by thermal decomposition of Zn(C5H7O2)2 metalorganic compound ...
  • Post-spinel transformations and equation of state in ZnGa2O4: Determination at high pressure by in situ x-ray diffraction 
    ERRANDONEA, D.; KUMAR, Ravhi S.; MANJÓN, F. J.; URSAKI, V. V.; RUSU, E. V. (American Physical Society, 2009)
    Room temperature angle-dispersive x-ray diffraction measurements on spinel ZnGa2O4 up to 56 GPa show evidence of two structural phase transformations. At 31.2 GPa, ZnGa2O4 undergoes a transition from the cubic spinel ...
  • Refractive index dispersion deduced from lasing modes in ZnO microtetrapods 
    URSAKI, V. V.; ZALAMAI, V. V.; TIGINYANU, I. M.; BURLACU, A.; RUSU, E. V.; KLINGSHIRN, C. (American Institute of Physics, 2009)
    High optical quality, well end leg faceted ZnO microtetrapods sustaining lasing modes with quality factors of 2500–3000 have been grown by carbothermal chemical vapor deposition. It is shown that lasing is due to longitudinal ...
  • Up-conversion luminescence in samarium doped ZnAl2Se4 single crystals 
    ZALAMAI, V. V.; SYRBU, N. N.; RUSU, E. V.; TIRON, A.; BEJAN, N. P. (IOP Publishing, 2018)
    Photoluminescence spectra of ZnAl2Se4:Sm2+ due to the processes of charge carriers recombination from levels 5Dj, 5Lj, 5Gj and 5Hj (4f55d1) on levels 7Fj of samarium ions were investigated. The broad photoluminescence band ...
  • Whispering gallery modes and random lasing in ZnO microstructures 
    URSAKI, V. V.; BURLACU, A.; RUSU, E. V.; POSTOLAKE, V.; TIGINYANU, I. M. (IOP Publishing, 2009)
    Hexagonal ZnO microdiscs and hemispherical ZnO microstructure built from hierarchical nanostructures have been grown by metal–organic chemical vapour deposition and carbothermal evaporation technologies, respectively. The ...
  • ZnO lasing in complex systems with tetrapods 
    MARKUSHEV, V. M.; URSAKI, V. V.; RYZHKOV, M. V.; BRISKINA, C. M.; TIGINYANU, I. M.; RUSU, E. V.; ZAKHIDOV, A. A. (Springer Nature Switzerland, 2008)
    ZnO structure in the form of a core–shell wire was grown with a modified vapour transport and condensation method. The wire consists of a dense core which may play the role of a waveguide and a shell formed mainly from ...

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