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Funding available for a student at the MSc or PhD level in computational materials physics
I have funding available for an excellent graduate student starting between May and September 2016. The project will focus on the numerical study of atomistic mechanisms associated with aging in steels. Many macroscopic properties of the materials that surround us depend on the precise position of atoms, at the micros…
СТІЙКІСТЬ І ВЛАСНІ КОЛИВАННЯ НЕОДНОРІДНИХ ОБОЛОНОК З УРАХУВАННЯМ НАПРУЖЕНОГО СТАНУ
The work is devoted to the problem of developing a unified methodology based on the efficient numerical analysis of problems of stability and natural vibrations of a wide class of inhomogeneous shells, thin and medium thickness. In problems of its natural vibrations takes into account the presence of a pre-stressed st…
Molecular Characteristics and Crystalline Structure of Ethylene-Dimethylaminoethylmethacrylate Copolymers
The relationship between molecular and crystalline structural characteristics of the ethylene -dimethylaminoethylmethacrylate copolymers (EDAM) was investigated and related to melt flow index MI and average gross content of DAM comonomer, in comparison with low density polyethylene (LDPE) produced by the common high-p…
Caracterização óptica de vidros PZABP dopados com Tm3+, Yb3+ e nanopartículas de ZnTe
Vidros fosfatos podem ser utilizados como hospedeiros de terras-raras para producao de meios ativos para laser. Eles apresentam alto coeficiente de expansao termica e baixa temperatura de transicao vitrea quando comparado com vidros silicatos ou boratos, possui sua baixa durabilidade quimica em ambientes umidos, alem…
Non-equilibrium charge and spin transport in SFS point contacts
The conventional Josephson effect may be modified by introducing spin-active scattering in the interface-layer of the junction. Here, we discuss a Josephson junction consisting of two s-wave superconducting leads coupled over a classical spin that precesses with the Larmor frequency due to an external magnetic field.…
Three-waveform bidirectional pumping of single electrons with a silicon quantum dot
Semiconductor-based quantum dot single-electron pumps are currently the most promising candidates for the direct realization of the emerging quantum standard of the ampere in the International System of Units. Here, we discuss a silicon quantum dot single-electron pump with radio frequency control over the transparenc…
Study On Properties Analysis Of Knitwear After Acid Wash
This article deals with the investigation on the effect of the acid washing (with thermocol balls and potassium permanganate) on different properties of three knitted garments (Single Jersey 100% Cotton T-shirt, Single Jersey 95% Cotton 5% Spandex T-Shirt and 1×1 Rib100% Cotton T- Shirt). Typical washing procedures an…
Influencia de un tratamiento isotérmico en la resistencia al desgaste según norma ASTM G-65 en un acero AISI SAE 1045
Los continuos desarrollos de la industria automotriz han impulsado la busqueda de nuevos materiales, en consecuencia los avances en las caracteristicas mecanicas y de resistencia al desgaste en los aceros empleados, buscan disminuir entre muchos aspectos el consumo de combustible sin afectar la seguridad de los pasaje…
Dataset for Localized plasmons induced by spatial conductivity modulation in graphene
Dataset supporting publication titled "Localized plasmons induced by spatial conductivity modulation in graphene"
Kekerasan Material Pasangan Elektroda (Cu) dan Lembaran plat (Fe) Pra Proses Spot Welding
Las titik (spot welding) termasuk las tahanan listrik. Jenis ini merupakan metode yang paling banyak digunakan dan paling sederhana. Hasil proses pengelasan spot welding perlu diketahui secara detail karena akan berdampak pada kekuatan geser dan kekerasan hasil pengelasan, secara mekanik pasangan elektroda dan lembara…
Aplicação de nanotubos de carbono no desenvolvimento de sensores amperométricos para compostos fenólicos
This work investigates the development of electrochemical sensors employing glassy-carbon electrodes modified with multi-walled carbon nanotubes (MWCNT). Two different diameters (110-170 nm x 5-9, μm corresponding to LD-MWCNT, and 6-9 nm x 5 μm, corresponding to SD-MWCNT), chemically treated with concentrated acids, s…
Superconductivity in topological nontrivial material Au2Pb
The search for nontrivial superconductivity in novel quantum materials is currently a most attractive topic in condensed matter physics and material science. The experimental studies have progressed quickly over the past couple of years. In this article, we report systematic studies of superconductivity in Au2Pb singl…
Solidification kinetics versus wetting kinetics relevant to Ribbon Growth on Substrate (RGS) casting of Silicon
Siliziumtropfen wurden in einem elektromagnetischen Feld geschmolzen und anschließend auf ein kaltes Substrat freigegeben, um die Verhältnisse zwischen Benetzungs- und Erstarrungskinetik während der Ausbreitung des Siliziumtropfens zu untersuchen. Mittels einer Hochgeschwindigkeitskamera wurde sowohl das Kristallwachs…
Unconventional electron states in $\delta$-doped SmTiO$_3$
The Mott-insulating distorted perovskite SmTiO$_3$, doped with a single SrO layer in a quantum-well architecture is studied by the combination of density functional theory with dynamical mean-field theory. A rich correlated electronic structure in line with recent experimental investigations is revealed by the given r…
ОПРЕДЕЛЕНИЕ РАЦИОНАЛЬНЫХ СОСТАВА И КОНЦЕНТРАЦИИ ВЫСОКОДИСПЕРСНОГО АЛЮМИНИЕВОГО МОДИФИКАТОРА ДЛЯ МОДИФИЦИРОВАНИЯ СТРУКТУРЫ СПЛАВА АК18 // DETERMINATION OF RATIONAL COMPOSITION AND CONCENTRATION OF SUPERFINE ALUMINIUM MODIFIER FOR MODIFYING OF THE ALLOY AK18 STRUCTURE
. It is shown that for reaching of maximal effect of mo difying of alloy AK18 structure it is necessary to use super fine aluminium modifier AlSi12Sb15Ti5 in the quantity of 0,1% of melt mass or AlSb5Ti3 at the quantity of 0,5%.
Ballistic miniband conduction in a graphene superlattice
Rational design of artificial lattices yields effects unavailable in simple solids, and vertical superlattices of multilayer semiconductors are already used in optical sensors and emitters. Manufacturing lateral superlattices remains a much bigger challenge, with new opportunities offered by the use of moire patterns…
Développement et caractérisation de condensateurs nano-composites à base de tantale
Le developpement des polymeres conducteurs, surtout en termes de stabilite, a permis de les integrer dans les dispositifs electroniques pour des applications a haute valeur ajoutee. C'est la raison pour laquelle les condensateurs tantale initialement bases sur la technologie MnO2, en tant que cathode, ont ete ameliore…
Focused ion beam implantation of Yttrium orthosilicates with Erbium ions for applications in quantum computing
In der letzten Zeit, ist eine große Vielfalt von Hybridsystemen für die Entwicklung der Quantenkommunikationstechnologien untersucht worden. Um solche Systeme herzustellen, muss der technologische Prozess bekannt und perfektioniert sein. In dieser Arbeit ist eine Implantation mit fokussierten Erbium-Ionen in Yttrium-O…
Sinteza i karakterizacija kompleksa [MoO2L(D)] (L = nesimetrična Schiffova baza, D = dušikova baza ili metanol)
In this thesis novel mononuclear octahedral complexes of molybdenum(VI) [MoO2L(D)] (D = MeOH, py, 3-Mepy and 4-Mepy); (1-8), dinuclear complexes of molybdenum(VI) [MoO2L]2(4,4-bipy); (9-10) and polynuclear complexes of molybdenum(VI) [MoO2L]n; (11-12) were prepared. All prepared complexes contain cis-MoO22+ moiety on…