ChemInform Abstract: Layered Molybdenum (Oxy)pyrophosphate a Cathode for Lithium‐Ion Batteries.
Abstract The layered compound δ‐(MoO2)2P2O7 is synthesized by heating MoO2HPO4·H2O (560 °C, 6 min).
Materials Literature
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Influence of high-temperature diffusion annealing on wear resistance of plasma coating ТiC-Ni-Cr
The possibility of improving the quality of plasma coating of TiC-Ni-Cr system, deposited on titanium alloy (α+β), through high-temperature diffusion annealing is considered in the paper. Some results of researches in the field of tribology are given. The main objective of the research is improving physical, mechanica…
Local structure analysis of Zn1‐xMgx O thin films by soft X‐ray absorption spectroscopy
Abstract X‐ray absorption near edge structure (XANES) spectra in soft X‐ray region were utilized for the characterization of Zn1‐xMgx O films. Zn L ‐edge XANES spectra of Zn1‐xMgx O films changed as increasing Mg composition x, suggesting that local structure of the Zn atom in ZnO was influenced by the alloying with M…
p-type doping in CVD grown MoS2 using Nb
We report on the first demonstration of p-type doping in large area few-layer films of (0001)-oriented chemical vapor deposited (CVD) MoS2. Niobium was found to act as an efficient acceptor up to relatively high density in MoS2 films. For a hole density of 4 x 1020 cm-3 Hall mobility of 8.5 cm2V-1s-1 was determined, w…
Chromium tip etching and spin-polarized imaging of antiferromagnetic terraces in the bilayer manganite La$_{2-2x}$Sr$_{1+2x}$Mn$_2$O$_7$ ($x$ = 0.30)
We report the preparation of bulk Cr tips for scanning tunneling microscopy by direct current drop-off etching, and we detail the role of $ex$-$situ$ fabrication parameters on the tip apex geometry. We present a new strategy to evaluate the tunneling characteristics of the Cr tips using cleaved crystal planes, circumv…
Melting temperature control in coextruding process
Modern co-extrusion manufacturing of flexible multilayer polymeric packaging materials is considered as multiproduct and, in some cases, limited. Most readjustments require the change of feedstock composition. This affects the temperature profile of extruder, backpressure and requires prompt adjustment of technologica…
Spin Hall reduction of Josephson effect in InAs two‐dimensional electrons
Abstract One of the mechanisms to cause the Josephson effect between two superconductors through a normal conductor is virtual traversal of electrons and holes through Andreev bound states. The spin Hall effect, on the other hand, disturbs the formation of Cooper pairs at the interfaces through the discrimination of u…
Analysis and design of reinforced concrete load-bearing structure of a commercial building in Ljubljana
In the thesis an analysis and design of characteristic elements of the load-bearing structure for the selected multi-story building was undertaken. The building is located in Ljubljana and is a constituent of a building complex. Buildings are detached by expansion joints so one can be addressed separately. Load-bearin…
Technological Aspects of Creation of Nitrided Discrete Coatings with Using Laser Processing
В роботі наведено результати дослідження зносостійких азотованих покриттів на сталях комбінованою лазерною і хіміко-термічною обробкою. Досліджено вплив вторинної структурної гетерогенності поверхні, що виникає у процесі лазерної дискретної обробки, на зносостійкість. Установлено, що попередня лазерна обробка суттєво…
Dry Sliding Wear Behaviour of Ferrite-Martensite Dual Phase Steels
In the present investigation, High Strength Low Alloy Steel (HSLA) was subjected to Intermediate Quench (IQ) heat treatment process at four different intercritical temperatures to obtain Dual Phase(DP) steels of varying percentages of ferrite-martensite microstructure The intercritical holding temperatures were 730oC,…
有机-无机杂化高分子絮凝剂PAC-PDMDAAC的合成与表征
以过硫酸铵为引发剂，以乙二胺四乙酸四钠（Na4EDTA）为助剂合成了新型有机-无机杂化高分子絮凝剂聚合氯化铝-聚二甲基二烯丙基氯化铵（PAC-PDMDAAC）.实验考查了DMDAAC单体质量分数、引发剂用量、反应温度以及反应时间对杂化絮凝剂合成的影响.结果表明杂化高分子絮凝剂的最佳合成条件为单体质量分数30%，引发剂质量分数0.7%，反应温度60 ℃，反应时间5 h.傅里叶红外光谱（FTIR）、热重分析（TGA）以及扫描电镜（SEM）测试结果表明，杂化聚合物PDMDAAC链端有SO42-离子存在，其与带正电荷的羟基铝粒子以离子键形式键合.扫描电镜结果显示杂化絮凝剂具有更大的比表面积，易于发挥吸附架桥作用.采用Al-Ferron逐时…
Study of high strength steels for increased safety, environmental respect and cost rduction in the pipeline industry
A series of anisothermal multipass hot torsion tests were carried out to simulate hot rolling on two low-carbon steels with different compositions and designed for pipeline construction. The evolution of austenite microstructure and precipitation state during rolling were characterized and the effects of cooling rate…
Nove primene procesa nagrizanja silicijuma u vodenom rastvoru TMAH u izradi MEMS senzora
U ovom radu prikazani su razvoj i usavršavanje tehnološkog procesa vlažnog\nanizotropnog hemijskog nagrizanja silicijuma orijentacije (100) u vodenom rastvoru\ntetrametil-amonijum hidroksida (TMAH) koncentracije 25 tež. % na temperaturi od 800\nC.\nRazvoj maskless tehnike nagrizanja silicijuma u vodenom rastvoru TMAH…
Influence of oxygen partial pressure on defect concentrations and on oxygen diffusion in UO2+x
La phase surstœchiométrique de dioxyde d’uranium (UO2+x) est stable sur une large gamme de températures et compositions. Ces variations de composition ainsi que la présence éventuelle de dopants ou d’impuretés induisent une modification de la concentration en défauts anioniques et électroniques. Ainsi nombre de propri…
Erratum: Structural transitions in a ring stain created at the contact line of evaporating nanosuspension sessile drops [Phys. Rev. E87, 012301 (2013)]
Received 11 October 2013DOI:https://doi.org/10.1103/PhysRevE.88.049903©2013 American Physical Society
New Parameter in Polymer - Assisted Sol - Gel Deposition
In this work a new parameter for the Polymer Assisted Sol- Gel Deposition method is proposed. It is shaking of the sol stabilized by the polymer prior to the deposition. It was found in attempt to decrease the amount of [111]- oriented CeO2 grains on a monocrystalline substrate SrTiO3 (001). It was found that the shak…
Estudo dos efeitos de flutuações da condição inicial em colisões nucleares relativísticas
Nas colisoes nucleares relativisticas, devido ao comportamento coletivo do sistema, e esperado que a anisotropia espacial inicial da regiao de uperposicao entre os nucleos incidentes seja convertida em uma anisotropia final na distribuicao de momento das particulas produzidas. Em particular, o coeficiente de fluxo eli…
Ultrafast Electron Microscopes: Design Criteria, Electron Sources, and Column Modeling
Dynamic Transmission Electron Microscopy, and its picosecond/femtosecond subclass Ultrafast Electron Microscopy, is an emerging field in instrumentation science.\nIt attempts to combine the nanoscale spatial resolution of transmission electron microscopes with the temporal resolution of modern ultrafast lasers.\nIn th…
Inverse problem in electrocardiography via factorization method of boundary problems : how reconstruct epicardial potential maps from measurements of the torso ?
Poster Workshop Liryc, 24 et 25 Octobre 2013, Bordeaux
Combinatorial surface-based electronic tongue development : Analytical applications and conception of 2D and 3D biomimetic surfaces
Développement d'une langue électronique sur des surfaces combinatoires : applications analytiques et conception de surfaces biomimétiques 2D et 3D L'objectif de cette thèse est le développement d'une langue électronique avec une méthode simplifiée d'obtention de récepteurs à réactivité croisée. Ces récepteurs sont pré…