Materials Literature
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A MnxGa1-x (x=0.70) epitaxial thin film with perpendicular magnetic anisotropy and a large coercivity (mu H-0(c) =1 T) was patterned into nanodots using a combined self-assembly nanolithography and plasma etching procedure. Nanostructuring is achieved by self-assembly of polystyrene nanospheres acting as a mask on the…
Conclusion CMT Model Frequency comb generation in graphene References Model resultsPrinciple : when monochromatic light is sent on a graphene sheet with a time-dependent conductivity, a frequency comb is genarated in transmission [1] Here, we exploit plasmonic resonances of graphene lattices [2] to generate frequency…
41+1 pages. References added and reorganized, corrected typos, last paragraph of section 2 re-written. Contribution to the proceedings of the International Workshop on Higher Spin Gauge Theories (4-6 November 2015, Singapore)
International audience
Diidroorotato desidrogenases (DHODHs) catalisam a quarta e única reação de oxidorredução na via de síntese de novo de nucleotídeos de pirimidina, que envolve a oxidação do diidroorotato (DHO) a orotato (ORO) em um mecanismo dependente do cofator FMN e de aceptores de elétrons. A relevância de pirimidinas para a prolif…
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O presente trabalho visa contribuir para o desenvolvimento sustentável de produtos elaborados com materiais de base florestal e de fontes renováveis, no projeto, na produção e na montagem de componentes pré-fabricados de madeira e seus produtos derivados aplicáveis à arquitetura e construção civil. Isso se deve ao fat…
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Au cours de ce travail, nous avons abordé la synthèse biomimétique sous des angles variés. Une déclinaison des approches bio-inspirées a en effet permis de réaliser plusieurs synthèses totales d'alcaloïdes polycycliques complexes. La biogenèse des substances naturelles considérées est placée au centre de la démarche.…
Ce travail est consacré à l'hétéroépitaxie de GaN sur substrat Si, étudié à l’échelle nanométrique par microscopie électronique en transmission. On étudie dans un premier temps la croissance de la couche de nucléation d’AlN, en analysant la structure de son interface avec Si, et les premières étapes de croissance. Cec…
The main objective of this book is to present research advances in the field of polymers and polymer-based composites, from state-of-the-art research and development to characterization, processing and manufacturing, numerical modeling and many new and emerging applications of polymeric materials.
The use of high voltage (HV) electrodes in vacuum is commonplace in physics\nlaboratories. In such systems, it has long been known that electron emission\nfrom an HV cathode can lead to bremsstrahlung X-rays; indeed, this is the basic\nprinciple behind the operation of standard X-ray sources. However, in\nlaboratory s…
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International audience
International audience
2D porous organic polymer (POP) nanosheets have attracted increasing attention in catalysis, sorption, separation, and other fields. In this paper, Lin Liu, Ping Chen et al. developed an ionothermal method to prepare carbonaceous POP nanosheets from polymerization of aromatic nitrile monomers in molten ZnCl2. The comb…
Agriculture is the main industry for Myanmar, where rice is the main staple food and rice straw is the most abundant agricultural waste. However agricultural productivity in Myanmar, comparing with other South East Asia countries, is considerably low because local agricultural systems still follow the traditional meth…
The research investigates the effect of the surface treatment carbonization, nitriding and carbonitriding on the corrosion and erosion-corrosion oflow carbon steel in saline medium.Micro-hardness testing using the Vickers hardness method was applied to all samples before and after surface treatment of carbonization, n…
This paper reports laboratory experiments aimed at understanding the formation of brown carbon (BrC) from various VOCs under different conditions.Studies on the evolution (aging) of the BrC formed are also presented.This work is a systematic analysis aimed at helping to interpret a number of ambient studies that showe…
Surface energy released upon drop coalescence is known to power the self-propelled jumping of liquid droplets on superhydrophobic solid surfaces, and the jumping droplets can additionally carry colloidal payloads toward self-cleaning. Here, we show that drop coalescence on a spherical particle leads to self-propelled…