Materials Literature
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A significant advance toward achieving practical applications of graphene as a two-dimensional material in nanoelectronics would be provided by successful synthesis of both n-type and p-type doped graphene. However, reliable doping and a thorough understanding of carrier transport in the presence of charged impurities…
Molybdenum disulfide (MoS2), a layered semiconducting material in transition metal dichalcogenides (TMDCs), as thin as a monolayer (consisting of a hexagonal plane of Mo atoms covalently bonded and sandwiched between two planes of S atoms, in a trigonal prismatic structure), has demonstrated unique properties and stro…
Fitting (nanoparticles) to a T: Single-stranded DNA poly T (blue, see scheme) was found to be a template for the formation of fluorescent copper nanoparticles (CuNPs, red spheres). The size and fluorescence of these CuNPs could be regulated by altering the length of poly T. Other ssDNAs (green) failed to act as a temp…
All in order: The self-assembly of nanocrystalline cellulose (NCC) with hydrogel precursors leads to nanocomposites with long-range chiral nematic order. The combination of chiral structure and hydrogel swelling behavior gives rise to iridescence that rapidly responds to various stimuli.
Infrared absorption spectroscopy is a powerful biochemical analysis tool as it extracts detailed molecular structural information in a label-free fashion. Its molecular specificity renders the technique sensitive to the subtle conformational changes exhibited by proteins in response to a variety of stimuli. Yet, sensi…
Increased portability, versatility and ubiquity of electronics devices are a result of their progressive miniaturization, requiring current flow through narrow channels. Present-day devices operate close to the maximum current-carrying-capacity (that is, ampacity) of conductors (such as copper and gold), leading to de…
Liquid noble gas detectors play a leading role for direct detection dark matter experiments. Particularly xenon with its high mass and the absence of radioactive isotopes is well suited as target material and used in the XENON project. To reduce background the detector of the next generation, the XENON1T detector, is…
La surete du stockage de dechets nucleaires est un sujet de preoccupation majeure, principalement pour les industries de production d’energie nucleaire. Il est prevu de stocker les dechets de haute activite pendant des millions d’annees dans des conteneurs en acier inox, avec un surconteneur en acier au carbone enfoui…
La thermoélectricité connait un essor important depuis une dizaine d'années. Réservés actuellement à des marchés de niche tels que l'informatique ou l'aérospatiale, les dispositifs à base de matériaux thermoélectriques pourraient trouver de nombreuses applications dans les véhicules afin de récupérer la chaleur dissip…
L’utilisation des circuits assemblés permet d’obtenir des systèmes électroniques intégrant plusieurs fonctionnalités dans un volume très réduit. La complexité de ces circuits impose alors d’assurer une bonne fiabilité de point de vue compatibilité électromagnétique. Les fabricants électroniques assurent une bonne conf…
Process for the preparation nanosol based ZnO2 reduced organic content. The reduced content of impurities allows the preparation of high quality optical thin films based on ZnO.
New inorganic, non-combustible materials and their preparation with a high content of elements that ensure absorption of neutrons for neutron shielding
O objetivo deste trabalho foi desenvolver um método de preparação e de deposição de óxido de grafeno (GO) sobre diferentes substratos. O grafeno foi produzido por meio da esfoliação eletroquímica utilizando como fonte flocos de grafite natural em uma solução de ácido sulfúrico. Após a esfoliação foi realizada uma limp…
Universidade Federal de Sao Carlos
Este trabalho enquadra-se dentro dos objetivos da engenharia de cristais moleculares para a obtenção de novas formas sólidas que possam apresentar propriedades farmacêuticas aprimoradas, especificamente de um dos fármacos mais utilizados e comercializados na terapia antirretroviral, contra o HIV: lamivudina, β-L-2\',3…
Dos Santos Garcia for his fundamental discussion about magnetic characterization.Also I'd like to thank Ph.D. students D
BN/SiC-coated Hi-Nicalon fiber-reinforced celsian matrix composites (CMC) were annealed for 100 h in air at various temperatures to 1200 C, followed by flexural strength measurements at room temperature. Values of yield stress and strain, ultimate strength, and composite modulus remain almost unchanged for samples ann…
Latar belakang: Insiden dan angka mortalitas kanker payudara di Indonesia tinggi tetapi modalitas terapi yang ada masih belum dapat memberikan hasil yang memuaskan. Nigella sativa sering digunakan sebagai alternative terapi kanker termasuk kanker payudara. Mengetahui adanya efek pemberian ekstrak Nigella Sativa dengan…
Thermoelectricity has soared up for few years. Currently reserved to niche markets such as informatics or aerospace, devices based on thermoelectric materials could be used in vehicles in order to harness wasted heat. However, the performance of these materials is insufficient for scale up. Among thermoelectric materi…
Conventional synthetic methods can produce only carbon materials with a random porosity. Recently, templated method has been applied for the mesoporous carbon synthesis using amorphous silica resulting in its successful replication. This method allows controlling the pore size, pore morphology and ordering of the carb…