Materials Literature
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In this work stability of Laponite against dissolution in its aqueous dispersions is investigated as a function of initial pH of water before mixing Laponite, and concentration of Laponite. Dissolution of Laponite is quantified in terms of concentration of leached magnesium in the dispersions. Interestingly the solven…
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The electrochemical behaviour of a carbon fibre reinforced epoxy matrix composite in 3.5% NaCl and 3.5%NaCl + 0.5 M CuSO4electrolytes was examined by potentiodynamic polarisation, potentiostatic polarisa-tion and scanning electron microscopy. Exposed carbon fibres on two defined regions (“front” and “side”)are a focus…
Thermo-responsive materials are viscoelastic materials that undergo a sol-to-gel phase transition at a specific temperature and many materials have been developed. MPEG-b-PCL (MPC) as a thermo-responsive material contained hydrophilic and hydrophobic segments and it formed an ordered crystalline structure of hydrophob…
Introduction: Among the many anticancer drugs used clinically, doxorubicin (Dox), was one of widely used drugs to treat many types of solid tumors such as liver, colon, breast, or lung. Intratumoral injection of chemotherapeutic agents is a potentially more effective alternative to systemic administration because dire…
We report resistivity measurements of the helimagnet CrAs under pressures. The helimagnetic transition with T_N ~ 265 K at ambient pressure is completely suppressed above a critical pressure of P_c ~ 0.7 GPa, and superconductivity is observed at ~2.2 K for zero resistance, which exists in a wide pressure range extendi…
Irradiation effects in Ni-17Mo-7Cr alloy, which is an newly developed structural material for molten salt reactor (MSR), have been systematically investigated by using 3MeV Au ions at different fluences, corresponding to dpa number (displacement per atom) of 1~ 30. GIXRD measurement indicates that the microstrain of t…
En este trabajo se presenta una breve reseña del proceso de rotomoldeo, su impacto en el mundo y en el mercado mexicano. Además, se presenta la posibilidad de utilizar fibras naturales además de Polietileno (material compuesto) como materia prima en el proceso de rotomoldeo para mejorar las propiedades mecánicas de lo…
Uurimus kuulub uudsesse ja kiiresti arenevasse plasmoonika valdkonda, mis tegeleb plasmonitega ehk elektrontiheduse lainetega seotud nähtustega. Doktoritöös selgitati, kuidas mõjutavad metallist (kullast ja hõbedast) nano-osakesed ja struktuurid helendavatest materjalidest pärinevat valgust. Peamiselt analüüsiti samaa…
Marine seawater pipelines can be manufactured from different materials that vary in their purchase costs and lifetimes,thus presenting a challenge when selecting proper materials for a particular project. To solve this problem,a life cycle cost model for marine seawater pipelines was developed after identifying key co…
Composite nanowires (NWs) mainly consisted of tin oxide (SnO2) and sodium titanate were prepared by the facile hydrothermal method. In this way, the composite crystalline phase was changed to mainly TiO2, and 1-dimensional (1-D) NWs were modified by the deposition of nano-branches to form flower-shaped NWs. The photo-…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
In this study, we examine the effect of various ratios of TiO2 and ZnO nanoparticles in the active layer of organic solar cells (OSC). The organic polymers used in active layer are poly (3-hexylthiophene) (P3HT) and acceptor phenyl-C61-butyric acid methyl ester (PCBM). The active layer blend was prepared in chlorobenz…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Nanopatterned FePt nano dots often exhibit low coercivity and a broad switching field distribution, which could arise due to edge damage during the patterning process causing a reduction in the $L1_{0}$ ordering required for a high magnetocrystalline anisotropy. Using an atomistic spin model, we study the magnetizatio…
Geometrical objects describing the material geometry of continuously defective graphene sheets are introduced and their compatibility conditions are formulated. Effective edge dislocations embedded in the Riemann-Cartan material space and defined by their scalar density and by local Burgers vectors, are considered. Th…
electrodes with different azobenzene derivatives .....
We investigate the spin texture of Andreev bound states and Majorana bound states in long superconductor-normal (SN) and superconductor-normal-superconductor (SNS) junctions, and we show that measuring the spatial dependence of the spin polarization in the normal region allows one to identify the transition from the n…