Materials Literature
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The phase composition and spectral-luminescent characteristics of yttrium partially stabilized zirconia (YSZ) crystals doped with Nd 2 O 3 and CeO 2 (ZrO 2 -Y 2 O 3 -Nd 2 O 3 -CeO 2 ) are studied. X-ray diffraction shows that YSZ ZrO 2 -2.5 mol %Y 2 O 3 -0.2 mol %CeO 2 -0.1 mol %Nd 2 O 3 , ZrO 2 -2.03 mol %Y 2 O 3 -0.…
We explore the effective potential landscapes that extended particles experience when adsorbed on the surface of quasicrystals. Commonly, these are solids with long-ranged order but no translational symmetry. The effective potentials significantly depend on the size of the adsorbed particles. We show how changing the…
This work deals with the vibrational, thermal and dielectric characterization of a synthetic peptide (S4) released during the proteolysis of human tropoelastin. This peptide was shown to form amyloid-like fibers implied in neurodegenerative pathologies. The comparison between the linear peptides and the associated amy…
The softening resistance, dimensional stability and corrosion behaviour of stir cast alumina and rice husk ash reinforced aluminium matrix composites subjected to thermal cycling has been investigated. Aluminium hybrid composites having 10 wt% reinforcement consisting of alumina (Al2O3) and rice husk ash (RHA) in weig…
Copyright: 2015 IFSA. Due to copyright restrictions, the attached PDF file only contains the abstract of the full text item. For access to the full text item, please consult the publisher's website. The definitive version can be downloaded from: http://www.sensorsportal.com/HTML/DIGEST/P_2682.htm
This work aims at numerically simulating the flow of nanocomposites in a twin-screw mixer so as to develop a prediction tool of nanofiller dispersion and distribution in a polymer matrix during processing. The rheological behaviour of polyamide 6 / carbon nanotubes blends (PA6/MWCNT) containing from 1 to 5 wt.% of MWC…
Takashi Ogawa, Boklae Cho, Sang Jung Ahn; A Novel Monochromator with Double Cylindrical Lenses, Microscopy and Microanalysis, Volume 21, Issue S4, 1 June 2
Abstract The high accuracy that can be achieved by the Boundary Element Method when it is used to solve the Laplace and Poisson equations for electrostatic systems is discussed. Applications to charged particle optics are described, with the emphasis on the commercial CPO programs [1]. The BEM is a charge-based method…
A Khursheed, W K Ang; On-Axis Electrode Aberration Correctors for Scanning Electron/Ion Microscopes, Microscopy and Microanalysis, Volume 21, Issue S4, 1 J
A Khursheed; Energy Analyzer Attachments for the Scanning Electron Microscope, Microscopy and Microanalysis, Volume 21, Issue S4, 1 June 2015, Pages 130–135, ht
Abstract Hexagonal high temperature phase β-Co2P nanorods with a diameter of around 50 nm were synthesized via a mild solvothermal route. The reaction was carried out at 180 °C using cobalt chloride hexahydrate (CoCl2 · 6H2O) as Co source and yellow phosphorous as P source. The composition, structure as well as morpho…
This paper presents a generalization of Tsui's phase measurement approach to detection of N-1 weak signals to situations in which the weak signals have a phase that is continuous at any point in time. Examples are provided for the situation in which N = 2 and for four cases in which φ2 takes on each of the values {0,…
본 연구에서는 활성탄을 대체하는 소재로서 재생이 용이하고 열적 안정성이 높은 DAY (Dealuminated Y-type) 제올라이트를 제조하였다. 원료물질로는 NaY 제올라이트를 이용하였으며, 이온교환, 소성, 수증기처리, 산처리의 단계를 거쳐 DAY 제올라이트를 제조하였다. 이때 결정성을 유지하면서 높은 Si/Al ratio를 얻기 위하여 소성 온도, 시간 및 수증기 처리 시간에 변화를 주었다. 또한 제조한 DAY 제올라이트, 원료 물질인 NaY 제올라이트 및 상용 제올라이트인 HISIV 1000에 대하여 상대습도 50%의 공기 흐름 중에서 VOCs 들에 대한…
The results of electron paramagnetic resonance (EPR) and photoluminescence studies of large NaBi(MoO 4 ) 2 crystals grown by the low-gradient Czochralski method and doped with gadolinium ions (0.1 wt %) have been presented. It has been found from the analysis of the angular dependence of EPR spectra that the gadoliniu…
Structural and magnetic transition in stainless steel Fe-21Cr-6Ni-9Mn up to 250 GPa* , Liu, Lei, Hou, Qi-Yue, Zhang, Yi, Jing, Qiu-Min, Wang, Zhi-Gang, Bi, Yan, Xu, Ji-An, Li, Xiao-Dong, Li, Yan-Chun, Liu, Jing
Abstract Manganese incorporation in synthetic hercynite, and partitioning between hercynite and silicate melt synthesized at 1.0 GPa, 1250°C, and at an fO2 buffered by Fe–FeO, has been studied by X-ray absorption spectroscopy and single-crystal X-ray structure refinement. Spectra indicate the presence of both Mn2+ and…
Zirconium diboride (ZrB2) is a covalent compound that leads the category of ultra high temperature ceramics materials owing to its unique properties. In this work, the effect of addition of beta-silicon carbide (β-SiC) in pressureless sintering of ZrB2 was investigated. Four compositions were prepared with 0, 10, 20 e…
Key stages for providing functional properties to polymeric coatings based on powder paints in order to reduce the rate of electromagnetic radiation due to treatment in planetary ball mill were studied. While varying the time of the treatment, as well as the filler weight fraction, the properties of powder mixtures, a…
The effects of the zinc oxide (ZnO) preparing process on the performance of inverted organic photovoltaic \ncells (OPVs) were explored. The morphology and size of ZnO nanoparticles were controlled, leading to more efficient \ncharge collection from device and higher electron mobility compared with nanospheres. Nanosiz…
Abstract The application of renewable energy sources poses the problems connected with output volatility. In order to decrease this effect the energy storage technologies can be applied, particularly fuel cells connected with hydrogen storage. In this paper the application of SOFC system for a household in Poland is p…