Articole din publicaţii internaţionale: Recent submissions

  • Prolonged holding and cyclic loading indentation of aluminophosphate glass: kinetics of deformation 
    BELEI, I.; SHIKIMAKA, O.; GRABCO, D.; SAVA, B. A.; BOROICA, L.; ELISA, M.; PYRTSAC, C.; PRISACARU, A.; POPA, M. (Institutul de Fizică Aplicată al AŞM, 2016)
    The time-dependent mechanical behavior of aluminophosphate glasses (APG) (Li2O–Al2O3–BaO–La2O3–P2O5–RE2O3, RE = Dy, Tb) subjected to dynamic indentation under prolonged holding and cyclic loading conditions in combination ...
  • Preparation, structure and selected properties of new Co(II) crystalline solids 
    CHISCA, Diana; CROITOR, Lilia; COROPCEANU, Eduard B.; BACA, Svetlana G.; LEUSEN van, Jan; KÖGERLER, Paul; BOUROSH, Polina; KRAVTSOV, Victor Ch.; GRABCO, Daria; PYRTSAC, Constantin; FONARI, Marina S. (Institutul de Chimie al AŞM, 2014)
    Nowadays the Co(II)-based coordination networks function as effective heterogeneous and reusable catalysts, are discussed as prototypes of future magnetic materials and effective biodegradable drug carriers. Solvatochromism ...
  • Peculiarities of phase transformation in crystalline silicon under local loading 
    SHIKIMAKA, O.; PRISACARU, A.; PYRTSAC, C. (Institutul de Fizică Aplicată al AŞM, 2010)
    The investigation of phase transformation induced by nano- and microindentation of Si (100) under different loading conditions has been carried out in this work. The influence of different loading regimes was considered ...
  • Hardness of Cu/LiF composite structure under dynamical indentation 
    PYRTSAC, C. (Institutul de Fizică Aplicată al AŞM, 2012)
    A permanent growth of the integration level and packaging density of chips on the crystals requires the sufficient increase of reliability and enhancement of the material servicing characteristics. At present, as a rule, ...
  • Nanoindentation Measurements of Cu Films with Different Thicknesses Deposited on a Single Crystalline Si Substrate 
    PYRTSAC, Constantin (Springer Nature Switzerland, 2015)
    Thin films of various types are key components of modern microelectronics. By use of the dynamic nanoindentation method, Cu/Si structures with different thicknesses of the Cu film (t = 85, 470 and 1,000 nm) were investigated. ...
  • Nano- and Micromechanical Parameters of AISI 316L Steel 
    GRABCO, D.; SHIKIMAKA, O.; PYRTSAC, C.; BARBOS, Z.; POPA, M.; PRISACARU, A.; VILOTIC, D.; VILOTIC, M.; ALEKSANDROV, S. (Institutul de Fizică Aplicată al AŞM, 2020)
    The nano- and micro-indentation mechanical parameters of the AISI 316L stainless steel, such as nanohardness (НNI), microhardness (HMI), the Young modulus (E), the indices of plasticity (H/E) and resistance (H3/E2), and ...
  • Microstructures generated in AISI 316L stainless steel by Vickers and Berkovich indentations 
    GRABCO, Daria; SHIKIMAKA, Olga; PYRTSAC, Constantin; PRISACARU, Andrian; BARBOS, Zinaida; BIVOL, Mihaela; ALEXANDROV, Sergei; VILOTIC, Dragisha; VILOTIC, Marko (Elsevier, 2021)
    The work aimes for studying the specifics of deformation of AISI 316L stainless austenitic steel under the conditions of micro severe plastic deformation (mSPD) created locally at the submicro and micro levels using Berkovich ...
  • Micro- and macro-mechanical properties of aluminophosphate glasses depending on their compozition and loading conditions 
    SHIKIMAKA, O.; GRABCO, D.; SAVA, B. A.; ELISA, M.; BOROICA, L.; HAREA, E.; PYRTSAC, C.; PRISACARU, A.; SPOIALA, D. (Institutul de Fizică Aplicată al AŞM, 2014)
    In this study the deformation peculiarities of aluminophosphate glasses (Li2O-Al2O3-BaO-La2O3-P2O5) doped with Dy, Tb and Fe were investigated at concentated load action (indentation) and uniaxial compression. Dynamic ...
  • Mechanical properties of the coating/substrate composite system: Nanostructured copper films on a LiF substrate 
    GRABKO, D. Z.; PYRTSAK, K. M.; GIMPU, L. Z.; VOLODINA, G. F. (Institutul de Fizică Aplicată al AŞM, 2016)
    The study of a series of composite structures (CSs) such as CS-1, CS-2, and CS-3 being “soft film/soft substrate” systems revealed much new information on the mechanical properties of these materials. The general and ...
  • Mechanical properties of polycrystalline copper and single-crystal LiF initial components for composite system Cu/LiF 
    GRABCO, D. Z.; PYRTSAC, K. M.; SHIKIMAKA, O. A. (Institutul de Fizică Aplicată al AŞM, 2016)
    The paper deals with an investigation of mechanical properties and deformation features of polycrystalline copper and single-crystal LiF under dynamic nano/microindentation. It is shown that the values of hardness and ...
  • Mechanical properties of one-dimensional coordination polymer [Cu(adi)(4-pyao)2]n 
    CROITOR, L.; COROPCEANU, E. B.; GRABCO, D. Z.; PYRTSAC, C.; FONARI, M. S. (Institutul de Fizică Aplicată al AŞM, 2014)
    Blue block crystals of title compound, [Cu(adi)(4-pyao)2]n 1 were obtained by blending the solution of copper (II) fluoride with 4-pyridine-aldoxime (4-pyao) and adipic acid (H2adi). X-ray single crystal structure analysis ...
  • Loading rate dependent relaxation under indentation of borophosphate glass 
    SHIKIMAKA, O.; PYRTSAC, C.; BARBOS, Z.; SAVA, B. A.; BOROICA, L.; ELISA, M. (Institutul de Fizică Aplicată al AŞM, 2018)
    The plasticity of glasses under compressive and shear stresses is governed by 2 main mechanisms: densification and shear flow. The relative contribution of each of these mechanisms depends on the glass structure and its ...
  • Influence of the Loading Regime of Indentation on the Hardness of Phosphate Glass 
    POPA, Mihaela; SHIKIMAKA, Olga; GRABCO, Daria; SAVA, Bogdan A.; BOROICA, Lucica; ELISA, Mihail; PYRTSAC, Constantin; PRISACARU, Adrian (Institutul de Fizică Aplicată al AŞM, 2017)
    In this study a new composition of phosphate glass (56,66LiPO3 28,33Al(PO3)3-10Ba(PO3)2-2La2O3-3RE2O3 (RE = Dy, Tb)) obtained by sol-gel method is investigated from the point of view of mechanical behavior. For this purpose ...
  • Indium-tin-oxide thin film strain-sensor behaviors study using cyclic indentation 
    HAREA, E. E.; AIFANTIS, K. E.; PYRTSAC, K. M.; POPA, M. N.; GHIMPU, L. (Institutul de Fizică Aplicată al AŞM, 2014)
    ITO films based sensors are largely studied last two decades. Piezoelectric properties were investigated depending on parameters and suitable manufacturing methods, ITO film thickness, thermal treatment etc. They belong ...
  • Indentation and plastic properties of MgO single crystals in nano and submicrovolumes 
    GRABCO, D. Z.; PYRTSAC, C. M. (Institutul de Fizică Aplicată al AŞM, 2016)
    The strength and plastic properties of MgO single crystals have been thoroughly studied in microvolumes [1–3]. However, it has been proved on various materials that a reduction in the characteristic dimensions of an object ...
  • Hardness of the Cu thin films grown on the MgO substrate 
    GRABCO, D.; PYRTSAC, C.; GHIMPU, L. (Institutul de Fizică Aplicată al AŞM, 2014)
    In this paper we studied the mechanical propeties of Cu thin films grown on MgO ( 4) substrate. The Cu films were obtained by the method of magnetron sputtering (with Magnetron Sputtering RF) at room temperature with ...
  • Giant quantum oscillations of the magnetothermoelectric coefficient in semimetallic Sb-Bi and Sb-As alloys 
    MUNTYANU, F. M.; PYRTSAK, K. M.; GILEVSKI, A. (Springer Nature Switzerland, 2001)
    Quantum oscillations of the magnetothermoelectric coefficient αii(B) are investigated in semimetallic Sb-Bi and Sb-As alloys in stationary magnetic fields up to 15 T and at temperatures from 1.9 to 30 K. Quantum oscillations ...
  • Гигантские квантовые осцилляции магнитотермоэдс в полуметаллических сплавах Sb с Bi и As 
    МУНТЯНУ, Ф. М.; ПЫРЦАК, К. М.; ГИЛЕВСКИ, А. (Российская академия наук, 2001)
    Исследованы особенности квантовых осцилляций в магнитотермоэдс α ii(В) в полуметаллических сплавах Sb с Bi и As в стационарных магнитных полях до 15Т и при температурах 1.9-30К. При ориентации продольного или поперечного ...
  • Fracture toughness and hardness at micro- and nanoindentation of phosphate glasses depending on their composition 
    POPA, M.; SHIKIMAKA, O.; GRABCO, D.; SAVA, B. A.; BOROICA, L.; ELISA, M.; PYRTSAC, C.; BARBOS, Z.; BELEI, I. (Institutul de Fizică Aplicată al AŞM, 2016)
    Two groups of glasses of a basic aluminophosphate (Al2O3–P2O5–Li2O–BaO–La2O3) composition (APG) doped with Dy2O3, Tb2O3 and Fe2O3, and borophosphate (B2O3–P2O5–Li2O–Al2O3–ZnO) composition (BPG) codoped with Dy2O3–Tb2O3, ...
  • Effects of Anion and Bipyridyl Bridging Ligand Identity on the Co(II) Coordination Networks 
    CROITOR, Lilia; COROPCEANU, Eduard B.; CHISCA, Diana; BACA, Svetlana G.; LEUSEN van, Jan; KÖGERLER, Paul; BOUROSH, Polina; KRAVTSOV, Victor Ch.; GRABCO, Daria; PYRTSAC, Constantin; FONARI, Marina S. (American Chemical Society, 2014)
    Five new coordination polymers, {[Co(OAc)2(bpe)(H2O)]•0.5(dmf)}n (1), {[Co(bpy)2(H2O)4][Co(tfa)(bpy)2(H2O)3](tfa)3•1.5(bpy)}n (2), [Co(tfa)2(dps)4]n (3), {[Co(tfa)2(bpe)4]•H2O}n (4), and [Co(tfa)2(bpp)4]n (5) (where AcO– ...

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