Browsing by Author "ARAMA, E."

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  • Cathodoluminescence and X-Ray Luminescence of ZnIn2S4 and CdGa2S4 Single Crystals 
    ARAMA, E.; PÎNTEA, V.; SHEMYAKOVA, T. (Universitatea Tehnică a Moldovei, 2021)
    Zinc thioindate and gallium thiogallate single crystals were grown by a chemical vapor transport method. The cathodoluminescence and X-ray luminescence spectra of ZnIn2S4 and CdGa2S4 single crystals were studied. From ...
  • Cathodoluminescence and X-Ray Luminescence of ZnIn2S4 and CdGa2S4 Single Crystals 
    ARAMA, E.; PÎNTEA, V.; SHEMYAKOVA, T. (Springer, Cham, 2022)
    Zinc thioindate and gallium thiogallate single crystals were grown by a chemical vapor transport method. The cathodoluminescence and X-ray luminescence spectra of ZnIn2S4 and CdGa2S4 single crystals were studied. From ...
  • Conductibility and irradiation stability of single crystals ZnIn2S4 
    PINTEA, V.; ARAMA, E.; GHEORGHITSA, E.; MACIUGA, A.; ZHITAR, V. (Academy of Sciences of Moldova, 2014)
    This study presents the results of investigations on the conductivity and irradiation stability of single crystals ZnIn2S4 in a wide range of incident electron energies (3075 keV) and respective doses (10141020 cm2). The ...
  • Multiple-phonon resonant Raman scattering in CuGaxIn1−xS2 single crystals 
    SYRBU, N. N.; NEMERENCO, L. L.; DOROGAN, A. V.; TEZLEVAN, V. E.; ARAMA, E. (Elservier, 2009)
    In this work it is researched the Raman scattering spectra of CuGaхIn1−xS2 solid compounds for x=1.0,0.9 and 0.8 at 10–60K. LO-phonons, 2LO-phonons etc can be observed while going far from the excitation energy (6 phonons ...
  • Optical Properties and the Stability at Radiation for Monocrystals ZnIn2S4 
    ARAMA, E.; GHEORGHIŢA, E.; PÎNTEA, V.; MACIUGA, A.; GUBCEAC, N. (Tehnica UTM, 2015)
    This study presents the results of investigations on the conductivity and irradiation stability of single crystals ZnIn2S4 in a wide range of incident electron energies ( 30 75 keV ) and the respective doses (1014 1020 ...
  • Particularităţile de structură a spectrelor de iradiere ale tioindatului de zinc dopat cu mangan (ZnIn2S4 :Mn) 
    ARAMA, E.; GHEORGHITA, E.; PINTEA, V. (Technical University of Moldova, 2011)
    The present paper analyzes the structure of radiation spectra recorded for ZnIn2S4 doped (ZnIn2S4 :Mn), using different ways of excitement. It showed some features identified as transitions optical impurity type intercentru.
  • Phenomena of Radiative Recombination in Single Crystals of Cadmium Thiogallate with Cadmium (CdGa2S4:Cd) or Sulfur (CdGa2S4:S) Excess 
    ARAMA, E.; PANTEA, V.; SHEMYAKOVA, T.; VOVC, V. (Tehnica UTM, 2019)
    The experimental results related to the influence of non-stoichiometry on the emission spectra of CdGa2S4 single crystals exited by accelerated electrons are presented. Cadmium thiogallate single crystals with the excess ...
  • Sensors of Ultraviolet Radiation for Medical Equipment 
    ABABII, I.; ARAMA, E. (Technical University of Moldova, 2011)
    The results of elaboration, construction and implementation of ultraviolet radiation detector with high sensibility are presented, which is used as portable device for measuring the intensity and dose. Photodetectors possess ...
  • Specific features of radiative recombination spectra of ZnIn2S4 single crystals 
    ARAMA, E.; GHEORGHITA, E.; PINTEA, V.; ZHITAR, V. (Academy of Sciences of Moldova, 2013)
    Radiative recombination spectra of Mn-doped zinc tioindat single crystals have been analyzed in the work. The emission spectra interval close to its maximum (1.91 ± 0.2 eV) contains a number of special features which were ...
  • Telemedicine - Advanced Technology at the Service of Society 
    ARAMA, E.; MAXIMILIAN, S.; ROTARU, L.; VOVC, V. (Tehnica UTM, 2019)
    In the conditions of the information society advanced technologies penetrate into different spheres of human activity, including medicine. In the medical field, three branches of telemedicine have already been formed: ...
  • X-ray induced luminescence in ZnIn2S4 and Zn3In2S6 
    MACHUGA, A.; RADU, R.; PINTEA, V.; ARAMA, E.; ZHITAR, V.; SHEMYAKOVA, T. (Institutul de Fizică Aplicată, AŞM, 2006)
    Compounds belonging to the system ZnxIn2S3 + x are of special interest due to their peculiar properties. Intensive luminescence and high photosensitivity in visible and ultraviolet range determine their potential applicability ...
  • X-Ray Luminescence in ZnIn2S4, CdGa2S4 and Zn3In2S6 
    MACHUGA, A.; RADU, R.; PINTEA, V.; ARAMA, E.; ZHITAR, V.; SHEMYAKOVA, T. (IEEE, 2007)
    Results related to investigation of X-ray induced luminescence spectra in ZnIn 2 S 4 , CdGa 2 S 4 and Zn 3 In 2 S 6 single crystals measured at 300 and 80 K are presented. The spectra mainly consist of one band with maximum ...

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