Home
→
Facultatea Calculatoare, Informatică şi Microelectronică
→
Conferinţe
→
Recent submissions

Conferinţe: Recent submissions

Now showing items 801-820 of 2187

Surface Modification of PVDF Copolymer Nanofiber by Chitosan/Ag(NP)/Nanosilica Composite

NASIR, M.; SUGATRI, R. I.; AGUSTINI, D. M. (Tehnica UTM, 2019)

PVDF copolymer nanofiber showed good chemical, mechanical and high hydrophobicity properties. PVDF copolymer nanofiber can be modified and functionalized by introducing hydrophilic and antibacterial materials such as ...
Ме-ZnP2 Diodes Sensible to Optical Gyration

DOROGAN, A. V.; BERIL, S. I.; STAMOV, I. G.; SYRBU, N. N. (Tehnica UTM, 2019)

Spatial dispersion in ZnP2-D 4 8 has been studied. The spectral dependences of the refractive index nc(Eǁc, kǁa), na(Eǁa, kǁc) and nb(Eǁb, kǁc) had been determined. It was shown that the dispersion is positive nc(Eǁc, kǁa), ...
Nanostructured Organic Crystals as Prospective Thermoelectric Materials for Infrared Sensor

SANDULEAC, I. I.; ANDRONIC, S. C.; CASIAN, A. I. (Tehnica UTM, 2019)

In this paper we investigate the prospective of use of some nanostructured organic crystals as efficient thermoelectric material for infrared biosensors. Nowadays, the infrared sensors are widely implemented in thermal ...
Modeling of Charge Transfer Induced Spin Transition in a Linear {FeCoFe} Complex

OSTROVSKY, S. M.; KLOKISHNER, S. I. (Tehnica UTM, 2019)

The magnetic behavior of the {[FeTp(CN)3]2Co(Meim)4} • 6H2O compound is examined. Since the observed charge transfer induced spin transition in this compound is accompanied by electronic density redistribution, the theoretical ...
Electrical Properties of Thermal Annealed in Vacuum Spray Deposited Al-Doped ZnO Thin Films

POTLOG, T.; LUNGU, I.; RAEVSCHI, S.; BOTNARIUC, V.; ROBU, S.; WORASAWAT, S.; MIMURA, H. (Tehnica UTM, 2019)

Al-doped ZnO thin films have been prepared by spray pyrolysis, which facilitates the incorporation of a higher percentage of dopant atoms. The vacuum thermally annealed at 420 °C temperature thin films have been characterized ...
Features of Radiative Recombination of Iron-doped Gallium Antimonide

MIHALACHE, A. (Tehnica UTM, 2019)

We report on the results of the studies of the features of radiative recombination of iron-doped gallium antimonide at T = 2 K, in the absence of an external magnetic field. Specimens were prepared by a modified method of ...
Peculiarities of Surface Relief Grating Formation in Nanomultilayer Structures Based on As2S3-Se Chalcogenide Glasses

MESHALKIN, A.; PAIUK, O.; ACHIMOVA, E.; STRONSKI, A.; ABASKIN, V.; PRISACAR, A.; TRIDUH, G.; KORCHOVYI, A.; OLEKSENKO, P. (Tehnica UTM, 2019)

Chalcogenide glasses nanomultilayer structures based on As2S3-Se were used for direct surface relief grating (SRG) formation by holographic recording. Grating recording process in As2S3-Se nanomultilayer structure for ...
Mössbauer Effect in 57Fe-doped Gallium Antimonide

MIHALACHE, A. (Tehnica UTM, 2019)

The work offers for discussion the results of investigations of absorption spectra (gamma-ray nuclear resonance) of gallium antimonide doped with 57Fe isotope in the concentration range of the atomic mass of 1–3%, within ...
Electrical and Photoelectrical Properties of Zn1-xMgxO Thin Films Obtained by Spin Coating and Aerosol Deposition Method

MORARI, V.; POSTOLACHE, V.; MIHAI, G.; RUSU, E.; MONAICO, Ed.; URSACHI, V. V.; NIELSCH, K.; TIGINYANU, I. M. (Tehnica UTM, 2019)

Zn1-xMgxO thin films were prepared by aerosol deposition and spin-coating method, using zinc acetate and magnesium acetate as precursors. The obtained films were investigated by scanning electron microscopy (SEM), electrical ...
Quantum Interferences with Equidistant Three-level Quantum Wells

CEBAN, V.; MACOVEI, M. A. (Tehnica UTM, 2019)

A three-level ladder-type equidistant quantum-well with perpendicular transition dipoles, tuned in resonance with an optical cavity have been investigated in the good cavity limit. Under the laser pumping, a quantum ...
Modeling of the Valence Tautomeric Transformation in Heterometallic [Cr-dhbq-Co] Molecules

ROMAN, M. A.; KLOKISHNER, S. I. (Tehnica UTM, 2019)

In the present communication we report a model that describes the valence tautomeric transformation in a crystal consisting of heterometallic [Cr-dhbq-Co] molecules. The model takes into account the states arising from two ...
Sensorial and Local Reflectivity Properties of the Columnar ZnO:Eu Films

LUPAN, C.; SCHÜTT, A.; BÎRNAZ, A.; HOPPE, M.; ADELUNG, R. (Tehnica UTM, 2019)

In this work, we report on sensorial properties dependent on the operating temperature for Eu-doped ZnO columnar samples. The films demonstrated sensorial properties to volatile compounds, namely for 2-propanol . The results ...
Recent Progress in GaN-based Devices for Terahertz Technology

SIRKELI, V. P.; TIGINYANU, I. M.; HARTNAGEL, H. L. (Tehnica UTM, 2019)

This paper reviews the crystal growth, basic properties, and principle of operation of III-nitride based terahertz devices. We provide a brief history and current status of crystal growth of polar and non-polar GaN-based ...
Near-edge Optical Properties of Layered Tin Sulfide (Selenide) Crystals

ZALAMAI, V. V.; TIRON, A. V.; RUSU, E. V.; MONAICO, E. V.; SYRBU, N. N. (Tehnica UTM, 2019)

Absorption (K), reflection (R) and wavelength modulated transmission (ΔT/Δλ) spectra in SnS, SnS2 and SnSe crystals were investigated in temperature range from 300 to 10 K. Excitonic states were discovered in all investigated ...
Change in Microstructure and Magnetic Properties of Transition Metal Nitride Thin Films by Substrate Temperature

KAMP, M.; VOB, L.; BICHEL, T.; HICKE, M.; SCHÜRMANN, U.; KIENLE, L. (Tehnica UTM, 2019)

The magnetic and mechanical properties of transition metal nitrides can be altered in many ways by their composition and microstructure, thus giving them excellent usability for spintronics and corrosion resistant coatings. ...
Spin Crossover in Iron(II) Complexes with Mixed Nitrogen-Sulfur Coordination: DFT Modeling

KLOKISHNER, S. I.; REU, O. S. (Tehnica UTM, 2019)

The majority of known FeII spin crossover (SCO) complexes are based on a homogeneous octahedral nitrogen coordination of the metal ion. Currently a new type of compounds with mixed nitrogen-sulfur ligand surroundings of ...
Active Spectral Absorption Control in a Tunable Liquid Crystal/Metamaterial Structure by Polarization Plane Rotation

BĂRAR, A.; DĂNILĂ, O.; MĂNĂILĂ-MAXIMEAN, D.; LOIKO, V. A. (Tehnica UTM, 2019)

We present theoretical studies conducted on the newly-introduced controllable metamaterial-liquid crystal system. Our model consists of a standard metamaterial single cell split ring resonator array with dimensions tailored ...
Superposition States of the Two-Dimensional Magnetoexcitons with Dirac Cone Dispersion Law and Quantum Interference Effects in Optical Transitions

MOSKALENKO, S. A.; PODLESNY, I. V.; ZUBAC, I. A.; NOVIKOV, B. V. (Tehnica UTM, 2019)

The exchange electron-hole (e-h) Coulomb interaction changes essentially the properties of the two-dimensional (2D) magnetoexcitons, whose electron structure is mainly determined by the action of the Lorentz force and by ...
Carbon Based Materials Synthesized by Microwave Plasma Enhanced Chemical Vapor Deposition

BRINZA, O.; BENEDIC, F.; FARHAT, S.; TALLAIRE, A.; ISSAOUI, R.; ACHARD, J. (Tehnica UTM, 2019)

Due to evolution of nano-technological applications, the demand of 1D-, 2D- and 3Dcarbon-based materials are constantly increasing. Indeed, these materials have excellent mechanical, thermal and etectrical properties and ...
Adsorption of Lead Ions on Carbonaceous Sorbents of Nutshell Obtained from Secondary Raw Material

MARSAGISHVILI, T.; TATISHVILI, G.; ANANIASHVILI, N.; GIORGADZE, N.; TSKHAKAIA, E.; GACHECHILADZE, M.; METREVELI, J.; MACHAVARIANI, M. (Tehnica UTM, 2019)

The sorption of Pb (II) ions from an aqueous solution of lead nitrate on carbon sorbents, obtained from waste based on cellulose-containing materials, was studied. Particularly, among studied carbons [hazel nutshell, walnut ...

Recently added

Conferinţe: Recent submissions

Search DSpace

Browse

All of DSpace

This Community

My Account