Articole din publicaţii internaţionale: Recent submissions

Now showing items 2681-2700 of 3223

Waveguide Structures Based on Porous Indium Phosphide

LANGA, S.; FREY, S.; CARSTENSEN, J.; FÖLL, H.; TIGINYANU, I. M.; HERMANN, M.; BÖTTGER, G. (The Electrochemical Society, 2005)

We researched the possibilities for engineering the morphology of porous structures in n-InP. Lithographic patterning of the sample surface before anodic etching was shown to modify considerably the electric field distribution ...
Non Standard Treebank Romania Republic of Moldova in the Universal Dependencies

MĂRĂNDUC, Cătălina; BOBICEV, Victoria ("VALINEX" SRL, 2017)

Morphological and syntactic annotated corpora are very important for language computerization. A Dependency Treebank was created in 2007 at the Al. I. Cuza University. 4,500 sentences of it were introduced into the Universal ...
Photoluminescence and vibrational properties of nanostructured ZnSe templates

MONAICO, E.; TIGINYANU, I. M.; URSAKI, V. V.; SARUA, A.; KUBALL, M.; NEDEOGLO, D. D.; SIRKELI, V. P. (IOP Publishing, 2007)

Electrochemical etching of pores in as-grown and doped n-type ZnSe substrates is reported. To dope the samples the as-grown semi-insulating substrates were annealed in a Zn melt containing Al impurity at concentrations ...
High-pressure study of the structural and elastic properties of defect-chalcopyrite HgGa2Se4

GOMIS, O.; VILAPLANA, R.; MANJÓN, F. J.; SANTAMARÍA-PÉREZ, D.; ERRANDONEA, D.; PÉREZ-GONZÁLEZ, E.; LÓPEZ-SOLANO, J.; RODRÍGUEZ-HERNÁNDEZ, P.; MUÑOZ, A.; TIGINYANU, I. M.; URSAKI, V. V. (American Institute of Physics, 2013)

In this work, we focus on the study of the structural and elastic properties of mercury digallium selenide (HgGa2Se4) which belongs to the family of AB2X4 ordered-vacancy compounds with tetragonal defect chalcopyrite ...
Formation of metal wire arrays via electrodeposition in pores of Si, Ge and III–V semiconductors

FANG, C.; FOCA, E.; SIRBU, L.; CARSTENSEN, J.; FÖLL, H.; TIGINYANU, I. M. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2007)

Deep straight macropores in n-type Si have been completely filled with copper (Cu). Homogeneous metal deposition inside the deep pores was achieved by means of electroplating using a solution containing only CuSO4 mixed ...
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. ...
Quasi-Ordered Networks of Metal Nanotubes Embedded in Semiconductor Matrices for Photonic Applications

TIGINYANU, I. M.; URSAKI, V. V.; MONAICO, E.; ENACHI, M.; SERGENTU, V. V.; COLIBABA, G.; NEDEOGLO, D. D.; COJOCARU, A.; FÖLL, H. (American Scientific Publishers, 2011)

We report on templated fabrication of metal nanotubes by electrochemical pulsed deposition of Pt in InP and ZnSe porous layers with pore diameters from 40 to 400 nm. Ordered two-dimensional hexagonal arrays of pores are ...
Iniţierea cadrelor didactice în domeniul TICE

LUCA, Stela; LUCA, Nicolae (Institutul de Ştiinţe ale Educaţiei, 2011)

The new information and communication technologies change the perspective on the educational practice, implementation of which is considered one of the most important problems in the beginning of this millennium, elevated ...
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 ...
Eficientizarea educaţiei prin valorificarea TICE

LUCA, Nicolae; LUCA, Stela (Tipografia "Cavaioli", 2014)

Sans encourager un processus efficace de l'éducation nous ne pouvons pas assurer une adaptation aux besoins du marché du travail, qui devient plus dynamique et assurer l'efficacité face à la concurrence croissante au niveau ...
În căutarea (re)definirii autonomiei universitare

BUGAIAN, Larisa (Tipografia "Cavaioli", 2014)

Actually education is one of the most active areas in the social, economic and cultural life. It could be contradictory terms. In fact, these terms are interdependent, because without these features national educational ...
Heavy noble gas (Kr, Xe) irradiated (111) InP nanoporous honeycomb membranes with enhanced ultrafast all-optical terahertz emission

RADHANPURA, K.; HARGREAVES, S.; LEWIS, R. A.; SIRBU, L.; TIGINYANU, I. M. (American Institute of Physics, 2010)

Nanoporous honeycomb membranes on InP (111) surfaces emit ultrafast coherent terahertz pulses under near-infrared optical excitation. Irradiating the membranes with heavy noble gas Kr or Xe ions enhances the terahertz ...
The methodological aspects of teaching thermodynamics: from civic education to new understanding of carbon footprint

BAERLE, Alexei; BAERLE, Iulia (Academy of Sciences of Moldova, 2017)

Thermodynamics gives a numerical interpretation of environmental processes. We believe that the complete removing of this key section of chemistry from national school curriculum is inadmissible and unfounded. Objectives: ...
Pollution of the food chain and environment by phthalates from polymers materials

DUCA, Gheorghe; STURZA, Rodica; LAZAKOVICH, Dmitri (Academy of Sciences of Moldova, 2017)

During 2010-2015years were tested over 4,000 samples of food products for the presence of phthalates residue, the results of which demonstrated the problem of pollution. It was noted that the phthalate migration depends ...
Formation of InP nanomembranes and nanowires under fast anodic etching of bulk substrates

MONAICO, Eduard; TIGINYANU, Ion; VOLCIUC, Olesea; MEHRTENS, Thorsten; ROSENAUER, Andreas; GUTOWSKI, Jürgen; NIELSCH, Kornelius (ELSEVIER, 2014)

We demonstrate that fast anodic etching of bulk crystalline substrates of n-InP via photolithographically defined windows leads to the formation of nanomembranes and nanowires being promising for device applications. It ...
Propunerea modelului de management anticriză pentru întreprinderile de transport auto din Republica Moldova

PASCARU, Sergiu (Complexul Editorial INCE, 2017)

Promovarea unui model de management anticriză eficient în întreprinderile de transport auto din Republica Moldova va permite gestionarea corespunzătoare a crizelor apărute şi depăşirea, cu eforturi minime, a consecinţelor ...
Strong visible emission from porous GaP doped with Eu and Tb ions

ELHOUICHET, H.; DABOUSSI, S.; AJLANI, H.; NAJAR, A.; MOADHEN, A.; OUESLATI, M.; TIGINYANU, I. M.; LANGA, S.; FÖLL, H. (ELSEVIER, 2005)

We demonstrate strong room-temperature photoluminescence (PL) in the visible region of the spectrum from europium (Eu3+)-doped porous GaP (por-GaP) layers. Eu3+ ions were infiltrated into the host matrix by simple impregnation ...
Asigurarea dezvoltării durabile a întreprinderilor din Republica Moldova prin implementarea sistemelor integrate de management

OBERŞT, Ala; CREŢU, Ina (Complexul Editorial INCE, 2017)

Impactul proceselor de globalizare economică a evidențiat necesitatea îndeplinirii cerințelor utilizatorilor (clienților și consumatorilor). Dezvoltarea științei manageriale a fost conturată cu asimilarea concepției sistemice ...
Coordonarea managementului prin bugete cu managementul prin obiective

BUGAIAN, Larisa; ŞONTEA, Diana (Complexul Editorial INCE, 2016)

Activitatea oricărei companii este dirijată și determinată de un sistem creat și promovat de managementul acesteia. Calitatea acestui sistem determină și locul companiei pe piață in condițiile actuale de dezvoltare intensă, ...
Instrumente de îmbunătăţire continua pentru activitatea antreprenorială

TIMOTIN, Ludmila (Complexul Editorial INCE, 2016)

Obiectivul articolului este de a determina un set de instrumente de îmbunătățire continuă pentru activitatea antreprenorială. Actualmente ştiinţa şi cele mai bune practici moderne propun un şir de oportunităţi de implementare ...

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