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Browsing Conferinţa "Amorphous and Nanostructured Chalcogenides" by Title

Browsing Conferinţa "Amorphous and Nanostructured Chalcogenides" by Title

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  • Laser induced shanges of structure and optical properties of As-Sb-S amorphous films 
    DURKOT, M. O.; KRYUCHYN, A. A.; MAKAR, L. I.; MYKAYLO, O. A.; PETROV, V. V.; POP, M. M.; RUBISH, V. M.; YASINKO, T. I.; HOLOMB, R. M.; KOSTIUKEVICH, S. O. (Tehnica UTM, 2019)
    The report is devoted to the studies of laser irradiation and annealing influence on the optical characteristics and Raman spectra of As40-xSbxS60 (0 x 12) amorphous films prepared by the thermal evaporation of glasses ...
  • Laser-induced periodic surface structures (LIPSS) of amorphous GST225 thin films upon femtosecond laser irradiation 
    KOZYUKHIN, S.; LAZARENKO, P.; SMAYEV, M.; VOROBYOV, Yu.; GLUKHENKAYA, V.; SYBINA, Yu.; SIGAEV, V. (Tehnica UTM, 2019)
    Ultrashort laser irradiation is proven as an alternative to lithography for nanostructuring surfaces of various materials via formation of laser-induced periodic surface structures (LIPSS) or ripples. In this work, our ...
  • Light- and voltage-controlled capacity of Cu-As2S3-Cu thin film cells for photodetection 
    GANEA, P.; LORINCZI, A.; SOCOL, G.; ZAMFIRA, S.; MATEI, E.; CREȚU, N.; POPESCU, M.; SAVA, F. (Tehnica UTM, 2019)
    Amorphous As2S3 thin films have remarkable electrical and optical properties, which make them solid candidates for a variety of applications and keep up the scientific interest to study them, even after decades from the ...
  • Mass transport effect and surface relief formation in AsxS100-x nanolayers 
    KONDRAT, O.; HOLOMB, R.; CSIK, A.; VERES, M.; MITSA, V. (Tehnica UTM, 2019)
    Unique structural, electronic and optical properties have determined many various applications of chalcogenide glassy (ChG) materials. The large refractive indices and third-order optical nonlinearities of the chalcogenide ...
  • Micro and nanostructuring of chalcogenide glasses 
    VLCEK, M.; PALKA, K.; SLANG, S.; LOGHINA, L.; IAKOVLEVA, A. (Tehnica UTM, 2019)
    Chalcogenide glasses, non-oxide glasses based on one or more chalcogen element (S, Se, Te), usually alloyed with more electropositive network-forming elements such as As, Ge or others posses many unique properties which ...
  • Multiple switching effects in GeSbTe thin-films 
    FEFELOV, S.; KAZAKOVA, L.; BOGOSLOVSKIY, N.; LAZARENKO, P. (Tehnica UTM, 2019)
    The switching and memory effects in chalcogenide glassy semiconductors are actively studied both experimentally and theoretically during the last years. Possible mechanisms of these effects are widely discussed. In this ...
  • Nano crystallized chalcogenide for photovoltaic applications 
    ZHANG, X.; CATHELINAUD, M.; LIANG, G.; CHEN, S.; DONGLOU, R.; MA, H.; CALVEZ, L. (Tehnica UTM, 2019)
    Sb2Se3 is a non-toxic and earth abundant compound and has been extensively studied for a wide range of applications including solar energy conversion. This compound with an orthorhombic structure has an inherent anisotropic ...
  • Nano-structure formation in ternary chalcogenide thin films 
    IASENIUC, O.V.; IOVU, M.S. (Tehnica UTM, 2019)
    Thin films of As-S-Se-Sn and As-Se-Ge chalcogenide semiconductors of different composition have been used for direct e-beam recording of diffraction grating structures by SEM, EBL, and holography techniques. As a result ...
  • Nanocrystalline and amorphous tellurium films for gas sensing applications 
    TSIULYANU, D.; MOCREAC, O.; AFANASIEV, A. (Tehnica UTM, 2019)
    Microstructural peculiarities and gas (NO2) sensing properties of tellurium thin films dependent on the technological procedures of their physical grow are presented. The fabrication of the films was provided using thermal ...
  • Nonvolatile resistance switching in monolayer transition metal dichalcogenides: an explanation 
    SAVA, F.; VELEA, A.; MIHAI, C. O.; BURUIANA, A. T. (Tehnica UTM, 2019)
    Recently, Ge et. al. [1] showed that in atomic sheets of transition metal (from the group VI B) dichalcogenides (TMD) (Fig. 1) (MoS2, MoSe2, WS2 and WSe2) nonvolatile resistance switching occurs. In order to understand ...
  • The optical and energy parameters of As40Se60, As40Se30Te30, As40Se30S30 chalcogenide glasses 
    ISAYEV, A. I.; MEKHTIYEVA, S. I.; ALEKBEROV, R. I. (Tehnica UTM, 2019)
    The chalcogenide vitreous semiconductors (CVS) are characterized by unique physical properties, has received special attention in connection with the broad forecast for using these materials in photolithography, holography, ...
  • Optical properties of binary and ternary chalcogenides 
    GALCA, A.-C.; SAVA, F.; SIMANDAN, I.-D.; SOCOL, G.; VELEA, A. (Tehnica UTM, 2019)
    Development of memories based on novel chalcogenide materials are among the research directions of many research units aiming discovery of new or improved optical or electric storage media.
  • Optical properties of CuInSe2 nanocrystals prepared by electrical discharge induced chemistry in solution 
    TARASENKO, N.; NEVAR, A.; TARASENKA, N.; SVITSIANKOU, I.; PAULOUSKI, V. (Tehnica UTM, 2019)
    The paper discusses the results of characterization of CuInSe2 (CIS) nanocrystals (NCs) synthesized by plasma treatment of a stoichiometric mixture of copper, indium, and selenium micropowders in an electric discharge ...
  • The parameters local structure of As – Ge – Se chalcogenide glasses 
    ISAYEV, A. I.; MEKHTIYEVA, S. I.; MAMEDOVA, H. I. (Tehnica UTM, 2019)
    The chalcogenide glass-like semiconductors (ChGS) out perform other functional materials in their unique electronic properties used for applications [1 -2]. They are transparent in wide spectral region, have high ...
  • Photoconductivity of chalcogenide thin film heterostructures 
    IASENIUC, O.; IOVU, M. (Tehnica UTM, 2019)
    Arsenic selenide and sulfide glasses are well known as high photosensitive materials with a wide application in photonics, optoelectronics and information storage systems. In the present paper the experimental results ...
  • The photoinduced displacement of amorphous chalcogenide and photochromic organic compounds 
    TETERIS, J. (Tehnica UTM, 2019)
    The direct surface patterning of chalcogenide and photochromic organic compound amorphous films via photoinduced displacement of matter was studied. The influence of the amorphous film thickness, grating period, intensity ...
  • Polarization holographic recording of diffractive elements on amorphous chalcogenide nanomultilayers 
    ACHIMOVA, E. (Tehnica UTM, 2019)
    In contrast to the conventional holographic process, in which intensity variations in an interference pattern between an object beam and a reference beam are recorded, polarization holography employs beams with two different ...
  • Preparation and caracterization of luminescent nanocomposite As2S3/Eu(TTA)2(Ph3PO)2NO3 
    BORDIAN, O.; VERLAN, V.; CULEAC, I.; ZUBAREV, V.; MALAHOV, L. (Tehnica UTM, 2019)
    In this report we present preparation and characterisation of the luminescent nanocomposite (NC) As2S3/Eu(TTA)2(Ph3PO)2NO3. The initial powder materials As2S2 and Eu(TTA)2(Ph3PO)2NO3 were separately dissolved in the ...
  • Preparation of As2S3 thin layers for applications in optoelectronics 
    BORDIAN, O.T.; VERLAN, V. I.; CULEAC, I. P.; ZUBAREV, V. E.; MALAHOV, L. A. (Tehnica UTM, 2019)
    The experimental results on the technology of As2S3 thin films and their characteristization using optical methods as a study of surface plasmon resonance (SPR), a light modulators that contains an amorphous As2S3 films ...
  • Raman microscopy of ferroelectric Sb-S-I glasses doped with Fe 
    CELIC, N.; GUT, I.; CAJKO, K.; BOSAK, O.; BARTOSOVA, A.; LUKIC–PETROVIC, S. (Tehnica UTM, 2019)
    Chalcogenide glass-ceramics are very promising materials for different applications in the modern society. They are well known for their optical and electronic properties opening wide range of possible applications. Doping ...

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