Articole ştiinţifice: Recent submissions

  • Effects of the Cations on the Raman Spectra of Sulphur Defect Chalcopyrites 
    TIGINYANU, I. M.; LOTTICI, P. P.; RAZZETTI, C.; GENNARI, S. (IOP Publishing, 1993)
    We report the Raman spectrum of defect chalcopyrite compounds CdAl2S4, CdGa2S4, ZnGa2S4 and of the isostructural mixed compounds Zn0.7Cd0.3Al2S4, ZnGa0.2Al1.8S4 and ZnGa0.8Al1.2S4. The role of the cations on the vibrational ...
  • Engineering porous III-Vs 
    FÖLL, H.; LANGA, S.; CARSTENSEN, J.; LÖLKES, S.; CHRISTOPHERSEN, M.; TIGINYANU, I. M (ELSEVIER, 2003)
    Porous semiconductors exhibit new and unexpected properties compared to the bulk materials. In III-Vs, many, many new features with respect to optical properties have emerged during the last few years for certain pore ...
  • Self-Assembled Monolayer of Au Nanodots Deposited on Porous Semiconductor Structures 
    TIGINYANU, I.; MONAICO, E.; NIELSCH, K. (The Electrochemical Society, 2015)
    We demonstrate the possibility to cover the surface of GaP and InP porous structures by a self-assembled monolayer of electrochemically deposited nanoscale Au nanodots. After nucleation, each dot was found to increase in ...
  • 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 ...
  • Nanoperforated and Continuous Ultra-Thin GaN Membranes 
    TIGINYANU, I. M.; POPA, V.; STEVENS-KALCEFF, M. A. (The Electrochemical Society, 2011)
    We report on fabrication of ultra-thin GaN membranes of nanometer scale thickness, by using the concept of surface charge lithography based on low-energy ion treatment of the sample surface with subsequent photoelectrochemical ...
  • Growth of ZnCdS single crystals and prospects of their application as nanoporous structures 
    COLIBABA, G. V.; MONAICO, E. V.; GONCEARENCO, E. P.; NEDEOGLO, D. D.; TIGINYANU, I. M.; NIELSCH, K. (IOP Publishing, 2014)
    Substrates of wide band-gap II–VI semiconductor compounds are considered feasible for the fabrication of nanoporous matrices (NM) needed for templated growth of nanowires and nanotubes of solid-state materials promising ...
  • Memristive GaN ultrathin suspended membrane array 
    DRAGOMAN, Mircea; TIGINYANU, Ion; DRAGOMAN, Daniela; BRANISTE, Tudor; CIOBANU, Vladimir (IOP Publishing, 2016)
    We show that ultrathin GaN membranes, with a thickness of 15 nm and planar dimensions of 12 × 184 μm2, act as memristive devices. The memristive behavior is due to the migration of the negatively-charged deep traps, which ...
  • Raman spectroscopy of porous and bulk GaP subjected to MeV-ion implantation and annealing 
    SARUA, A.; IRMER, G.; MONECKE, J.; TIGINYANU, I. M.; SCHWAB, C.; GROB, J.-J.; HARTNAGEL, H. L. (American Institute of Physics, 2000)
    Porous layers on (100)-oriented n-type liquid encapsulated Czochralski grown GaP crystals were fabricated by electrochemical etching in a H2SO4 aqueous solution and analyzed by scanning electron microscopy. 12C+ ions were ...
  • Modificarea calităţii pandişpanului aglutenic din făină de soriz (Sorghum oryzoidum) în perioada de păstrare 
    SIMINIUC, Rodica; CHIRSANOVA, Aurica; COŞCIUG, Lidia; DESEATNIC-CILOCI, Alexandra (Sibiu Alma Mater University, 2011)
    În prezent numărul persoanelor cu intoleranţă la gluten creşte rapid, lărgindu-se totodată arealul geografic de răspîndire. Lărgirea asortimentului de produse de patiserie aglutenice este o tendinta actuală. Au fost elaborate ...
  • Modificarea calităţii biscuiţilor aglutenici obţinuţi din făină de soriz (Sorghum oryzoidum) în perioada de păstrare 
    SIMINIUC, Rodica; CHIRSANOVA, Aurica; COŞCIUG, Lidia; DESEATNIC-CILOCI, Alexandra (Sibiu Alma Mater University, 2011)
    Elaborarea şi cercetarea produselor alimentare aglutenice este actuală în condiţiile creşterii rapide a numărului de celiaci în lume. Scopul acestui studiu a fost stabilirea termenului limită de păstrare a patru varietăţi ...
  • Researches concerning iron bioavailability in complex foods 
    CIOBANU, Corina; MOTRUC, Natalia (Sibiu Alma Mater University, 2011)
    Iron bioavailability in fortified products was researched in vivo conditions. It is established, that the consumption of iron fortified bread products promotes improvement of the basic haematological indices. In the presence ...
  • Influenţa inulinei asupra calităţii produselor de panificaţie 
    LUPASCO, Andrei; BANTEA–ZAGAREANU, Valentina; BOIŞTEAN, Olga; GHENDOV – MOŞANU, Aliona; ROTARI, Elena (Sibiu Alma Mater University, 2011)
    Un obiectiv important al specialiştilor din industria alimentară este obţinerea de produse dietetice destinate diabeticilor cu diferite adaosuri care să-şi păstreze atît calitatea senzorială cît şi indicii fizicochimicii ...
  • Impactul procesării tehnologice asupra conţinutului de celuloză din urzici şi leurdă 
    GUTIUM, Olga (Sibiu Alma Mater University, 2011)
    Regimul nutriţional este unul din pilonii de bază ai concepţiei alimentaţiei raţionale şi echilibrate, fiind şi un factor de risc major în apariţia maladiilor alimentaro – dependente, în caz de insuficienţe. Utilizarea ...
  • Grape seed drying in fluidized layer using SHF energy 
    BERNIC, Mircea; MAŢCO, Marcel; CIOBANU, Eugeniu; DOHMILĂ, Iurie; CHIRIAC, Nicolae (Sibiu Alma Mater University, 2011)
    The grape seeds among the by-products whose recovery is considered to be interesting for all the wine making countries. Although the grape seeds are considered as waste from grapes processing in the wine industry, they ...
  • The CO2 influence on pears drying process using SHF energy 
    BERNIC, Mircea; ŞAPOVALOV, Oleg; CIOBANU, Eugeniu; MAŢCO, Marcel (Sibiu Alma Mater University, 2011)
    The most frequently used methods for food products processing with inert gases is anoxianabioza, which means inert gases use as bio-inhibit agents. This method consists of special conditions creation, which reduces more ...
  • Băutură acido-lactică pe bază de zer stabilizată cu amidon de soriz 
    BULGARU, Viorica (Sibiu Alma Mater University, 2011)
    În lucrarea data amidonul de soriz (Sorghum Oryzoidum) s-a utilizat ca agent de stabilizare a băuturilor acidolactice pe bază de zer. S-a studiat influenţa amidonului de soriz asupra calităţii produselor obţinute după ...
  • Implementation of active-participatory methods in training the design engineer from light industry 
    DANILA, Victoria; BALAN, Stela (Sibiu Alma Mater University, 2011)
    The contemporary education requirement is to form active involvement of student’s skills. They are to develop the student’s ability of creative thinking and free acting in the training process. Active-participatory methods ...
  • Proper selection of active-participatory methods for training design engineer from light industry 
    DANILA, Victoria; BALAN, Stela (Sibiu Alma Mater University, 2011)
    Application of active participatory methods has many formative facets; it contributes to developing creativity, involves students in learning, putting them in situations to think, to make logical connections and express ...
  • Legal regulation of the trial period application 
    GARŞTEA, Nina (Sibiu Alma Mater University, 2011)
    In order to verify employee skills, the individual contract of employment, Article No. 60 of Labor Code. 154 of 28.03.2003 - gives employers the opportunity to establish a trial period of three months for the posts of ...
  • Environmentally friendly approach for nonlithographic nanostructuring of materials 
    TIGINYANU, I. M.; MONAICO, E.; ALBU, S.; URSAKI, V. V. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2007)
    Self-organized quasi-ordered two-dimensional hexagonal arrays of pores with diameters as low as 70 nm in n-InP substrates subjected to anodic etching in aqueous solution of NaCl are reported. We show that proper periodic ...

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