Materials Literature
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The structural and optical properties of the ZnO, Al-doped ZnO, Ga-doped ZnO, and In-doped ZnO nanorods were investigated using field-emission scanning electron microscopy, X-ray diffraction, photoluminescence (PL) and ultraviolet-visible spectroscopy. All the nanorods grew with good alignment on the ZnO seed layers a…
Dispersion of carbon nanotubes has been a major obstacle for the application and utilization in composites. In this study, it was observed that a small amount of softwood Kraft lignin (SKL) could facilitate the dispersion of multiwalled carbon nanotubes (MWCNTs) in dimethylformamide (DMF) solutions. Classification of…
Gold nanoparticles have been prepared successfully using TritonX-100 inverse microemulsion at different concentrations of HAuCl 4 (0.1, 0.05, 0.04, 0.03, 0.02 and 0.01 M). We have studied the effect of gold ion concentration on the particle size, morphology, surface area and optical properties of the gold nanoparticle…
A deep understanding of the size, surface trapping, and scattering effects on the recombination dynamics of CdS nanowires (NWs) is a key step for the design of on-demand CdS-based nanodevices. However, it is often very difficult to differentiate these intertwined effects in the NW system. In this article, we present a…
Co 3 O 4 nanoparticles were prepared using [Co(NH 3 ) 6 ](NO 3 ) 2 as a starting material via a solid-state thermal decomposition route at low temperature (150°C). The product was characterized by thermal analysis (thermogravimetric/derivative thermogravimetric/differential thermal analysis), X-ray diffraction, Fourie…
Rare-earth doped (Eu3+ or Ce3+) thin layers of tin dioxide (SnO2) are deposited by the sol-gel-dip-coating technique, along with gallium arsenide (GaAs) films, deposited by the resistive evaporation technique. The as-built heterojunction has potential application in optoelectronic devices, because it may combine the e…
BACKGROUND: A green approach to synthesize nanomaterials using biotemplates has been subjected to intense research due to several advantages. Palm olein as a biotemplate offers the benefits of eco-friendliness, low-cost and scale-up for large scale production. Therefore, the effect of palm olein on morphology and surf…
The present study summarizes the cross-linking property of succinic acid with chitosan /collagen. In detail, the chemistry behind the cross-linking and the improvement in mechanical and thermal properties of the cross-linked material were discussed with suitable instruments and bioinformatics tools. The concentration…
The Pair Approximation method is applied to studies of the magnetic Ising-Heisenberg bilayer with simple cubic structure and spin $S=1/2$. The method allows to take into account quantum effects related to Heisenberg couplings. In the paper the entropy and magnetic contribution to the specific heat are calculated. A sp…
Optimization of power loss in soft magnetic components basis on the choice of the best technological parameters values. Therefore, the power losses have been measured in Somaloy 500 samples for a wide range of frequency and magnetic induction. These samples have been prepared under a wide range of the hardening temper…
Topological insulators (TIs) are a recently discovered class of materials having insulating bulk electronic states but conducting boundary states distinguished by nontrivial topology. So far, several generations of TIs have been theoretically predicted and experimentally confirmed, all based on inorganic materials. He…
The fundamental building blocks of modern silicon-based microelectronics, such as double gate transistors in non-volatile Flash memories, are based on the control of electrical resistance by electrostatic charging. Flash memories could soon reach their miniaturization limits mostly because reliably keeping enough elec…
Calmodulin (CaM) is a ubiquitous, highly conserved, eukaryotic protein that binds to and regulates a number of diverse target proteins involved in different functions such as metabolism, muscle contraction, apoptosis, memory, inflammation and the immune response. In this minireview, we analyze the large number of CaM-…
Ces travaux ont pour objectif l'identification et la compréhension de l'effet de la corrosion aqueuse sur la durée de vie en fatigue à grand nombre de cycles (HCF) d'un acier inoxydable martensitique utilisé dans des applications aéronautiques. Tout d'abord, l'effet géométrique des défauts de corrosion sur la limite d…
In this work, macroporous ceramics are produced from particle-stabilized wet foams and emulsions, following the procedures defined by Gonzenbach et al. [1] and Akartuna et al. [2]. Stable foams and emulsions are obtained thanks to adsorption of partially hydrophobic particles to the air/water or oil/water interface. T…
ISBN 978-9955-15-269-9.
Neste estudo, parâmetros estruturais, energéticos e da frequências vibracionais para os estados X 3Σ- e A 3II do radical CNN e X 2II das espécies iônicas CNN+ e CNN- foram obtidos no nível de teoria CCSD(T)/CBST-5. No estudo termoquímico, os valores para o calor de formação da espécie neutra foram, ΔHf (O K) = 138,89…
Um estudo refinado dos filmes derivados do gel de pentóxido de vanádio foi realizado por meio de técnicas espectroscópicas e microscópicas visando compreender melhor as características deste material na escala microscópica. Foi demonstrado que o gel de pentóxido de vanádio é uma suspensão de nanopartículas anisotrópic…
Os casos de tuberculose vêm crescendo, coincidindo com o aumento dos casos de AIDS, sendo uma das doenças que causa maior número de mortes no mundo. Entretanto, a busca por novos fármacos cresce de forma lenta, principalmente pelo baixo interesse da indústria farmacêutica, uma vez que a tuberculose ocorre predominante…
Having a new paper out is always fun and this week we got the wonderful news from the Journal of Physical Chemistry C that a paper I co authored with Prof. Alireza Badiei at the University of Tehran in Iran and his student, who actually got us all in touch, Dr. Pezhman Zarabadi-Poor, was accepted for publication.