Materials Literature
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Заращивание массива самоорганизованных квантовых точек InAs/GaAs слоем квантовой ямы InGaAs приводит к увеличению их размера за счет обогащения области вблизи вершины квантовых точек индием, что уменьшает энергию основного оптического перехода в квантовых точках на 50 мэВ и смещает волновую функцию дырки по направлени…
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space grou…
Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text T. Li, V. Nagal, D. Gracias, and J. B. Khurgin, "Imaging with multilayer hyperbolic metamaterials – what are the limits?," in Conference on Lasers and…
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space grou…
Realistic and accurate modeling of contact for problems involving large deformations and severe distortions presents a host of computational challenges. Due to their natural description of surfaces, Lagrangian finite element methods are traditionally used for problems where the accuracy of behavior along contact inter…
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space grou…
This work focused on the surface properties of carbon-fibres and the effects of different surface treatments on the adhesion behaviour between fibres and matrix. An alternative approach to the current production process of carbon-fibres is presented which uses a dry plasma treatment to achieve comparable results in re…
Monomer feed rate regulates the chemical structure of smart plasma copolymer coating and its surface wettability in various pH environment. The combined effect of surface chemical compositions and surface roughness causes tunable wettability from superhydrophobicity to superhydrophilicity of smart plasma copolymer coa…
Rare-earth ion doped crystals and glasses are investigated for white light emission under diode laser excitation. Chromaticity diagrams, color coordinates and temperature are estimated. These materials meet the criteria of white light emitters.
Opinnäytetyö käsittelee vaikeasti kierrätettävien jätevirtojen hyötykäyttöä Suomessa. Työssä luotiin kokonaiskuva käytössä olevien hyötykäyttömenetelmien kannattavuudesta eri näkökulmista ja verrattiin niitä lahtelaisen teknologiayritys Nocart Oy:n Rewable Fuel Plant -laitteistokonseptiin. Työ toteutettiin kirjallisuu…
Bio-polymers from sustainable natural resources serve mankind keeping environmental factors under consideration. Resources such as soybean, castor and orange oil are among highly cultivable agro-resources. Polyols formulated from these oils shows clean-environmental pathway for synthesizing polyurethane foams and shee…
A numerical multi-scale model is being developed to predict the anisotropic macroscopic material response of multi-phase steel. The embedded microstructure is given by a meso-scale Representative Volume Element (RVE), which holds the most relevant features like phase distribution, grain orientation, morphology etc., i…
This paper presents the experimental research concerning the heat transfer in thermoelectric generators with plate fin heat sinks. A test setup was constructed to test the influence of the heat sink parameters, the air flow rate through the heat sink and the load resistance on the performance of the TEG. The results s…
Local control of dopant profiles and ordered doping in high Tc superconductors have the potential to greatly increase the transition temperature, Tc. We report on experiments where we used focused electron beams to locally modulate the oxygen dopant concentration in commercial YBCO films (100 nm on LaAlO3). Patterned…
Surface-enhanced infrared absorption (SEIRA) spectroscopy employs noble metal nanoparticles or nanostructures to enhance the characteristic absorption spectra of certain molecules. One of the critical steps is to achieve robust surface functionalization of the plasmonic nanostructures facilitating further functionaliz…
Изучаются особенности циклотронного резонанса в топологических изоляторах семейства Bi2Te3. Энергетический спектр электронных возбуждений на поверхности этих соединений в магнитном поле обладает симметрией C3V. Используя квазиклассические уравнения движения, которые учитывают кривизну Берри и магнитный момент, мы нашл…
Abstract. Soil-engaging implements play an important role in agricultural machinery. Their surfaces always come to failure because of soil‘s friction, which is mainly due to abrasion. Since abrasives can both slide and roll across the surfaces, soil abrasion to implements should be categorized into the three-body type…
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space grou…
The effects of a large amount of hydrogen and the frequency on the fatigue crack growth behavior of carbon steel were investigated. Hydrogen-pre-charged specimens were produced by performing cathodic and immersion charging on virgin or torsionally pre-strained carbon steels. Rotating bending fatigue tests were conduct…
В выращенных методом жидкофазной эпитаксии GaAs-структурах с дырочным типом проводимости методами емкостной спектроскопии (адмиттанс-спектроскопии и нестационарной емкостной спектроскопии глубоких уровней) обнаружены три глубоких акцепторных уровня с энергиями активации ~0.7, ~0.41 и ~0.16 эВ. Первые два уровня извест…