Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Electrospinnng is one of the most conventional methods for producing nano fibers in different forms, such as core-shell hollow and porous nanofibers. These forms open new windows on innovative applications for nanofibers like ultra filtration, fuel cells, membranes, tissue engineering, catalysis and drug delivery or r…
We report a study of the valence band dispersion of twisted bilayer graphene using angle-resolved photoemission spectroscopy and ab initio calculations. We observe two noninteracting cones near the Dirac crossing energy and the emergence of van Hove singularities where the cones overlap for large twist angles (>5°). B…
Based on systematic first principles calculations, we investigate Sr surface segregation (SSS) in La(1-x)Sr(x)Co(1-y)Fe(y)O(3-δ) (LSCF) (a typical perovskite ABO(3) compound), a bottleneck causing efficiency degradation of solid oxide fuel cells. We identify two basic thermodynamic driving forces for SSS and suggest t…
Hydrogen adatoms are shown to generate magnetic moments inside single layer graphene. Spin transport measurements on graphene spin valves exhibit a dip in the nonlocal spin signal as a function of the applied magnetic field, which is due to scattering (relaxation) of pure spin currents by exchange coupling to the magn…
Silk protein-biomaterial wound dressings with epidermal growth factor (EGF) and silver sulfadiazine were studied with a cutaneous excisional mouse wound model. Three different material designs and two different drug incorporation techniques were studied to compare wound healing responses. Material formats included sil…
采用水热法制备红色荧光粉SrMoO4：Eu3＋，该荧光粉能很好的与紫外及蓝光LED匹配。利用x射线衍射（XRD）、场发射环境扫描电镜（FESEM）和光致发光光谱（PL）等手段进行样品表征。XRD数据与标准卡片PDF#85—809相匹配；FESEM图谱显示出在不同温度下所制备的样品形貌；样品在紫外光和蓝光激发下发射主峰位于616nm处。样品发光强度与Eu”掺杂浓度有关，Eu3＋的最佳掺杂浓度为7％；该样品的最佳烧结温度为600℃；引入不同的补偿电荷对荧光粉发光性能进行改进，当K＋作为补偿电荷时样品的发光强度最大。合成的样品SrMoO4：Eu3＋，K＋CIE色坐标为（0．59，0．40），可用于白光LED红色荧光材料。
El mango `Manila¿ es la segunda variedad más importante producida en México, tiene alta calidad sensorial y preferencia dentro de los consumidores. No obstante, este cultivar no participa en el mercado de exportación debido a su corta vida de anaquel y a su alta sensibilidad a los tratamientos cuarentenarios tradicion…
Solar energy is an alternative sustainable energy resource that can be harvested using semiconductor quantum dots including zinc sulfide (ZnS) and cadmium sulfide (CdS). However, at present is only a small fraction of the sun’s energy (< 10%) absorbed by using pure ZnS and CdS semiconductor solar cells. To increase th…
This Innovations Deserving Exploratory Analysis (IDEA) project is developing and laying the groundwork for in-situ reclamation of corroded components in load bearing infrastructure (e.g., bridges) imparting robust corrosion protection using high-velocity thermal spray. This novel approach may provide interim or even p…
The purpose of this innovation is to enhance nucleation of single-wall nanotubes (SWNTs) in the HiPco process, selectively producing 10,10 tubes, something which until now has not been thought possible. This is accomplished by injecting C60, or a derivative of C60, solubilized in supercritical CO2 together with a tran…
High methanol permeability and expensive price of current commercial Nafion® membrane for direct methanol fuel cell (DMFC) have encouraged researchers to modify proton exchange membrane (PEM). Sulfonted poly ether ether ketone (SPEEK) is a polymer which attracted a lot of attention recently. This study aimed to test t…
The effects of sources of nitrogen(sodium nitrate, ammonium chloride and urea), iron (ferric trichloride, ferrous sulfate and ironic citrate) and phosphorus (consisted of sodium dihydrogen phosphate and disodium hydrogen phosphate to form the buffer of pH=7.0,7.5 and 8.0) on growth and components in alga Platymonas su…
Designs incorporating variations in capillary geometry and hydrophilic and/or antibacterial surface properties have been developed that are capable of passive gas/liquid separation and passive water flow. These designs can incorporate capillary grooves and/or surfaces arranged to create linear and circumferential capi…
A new composite material of singlewalled carbon nanotubes (SWNTs) displays radio frequency (0 to 1 GHz) permittivity properties that can be adjusted based upon the nanotube composition. When varying ratios of raw to functionalized SWNTs are blended into the silicone elastomer matrix at a total loading of 0.5 percent b…
A stowage system was conceived that consists of collapsible, reconfigurable stowage bags, rigid polyethylene or metal inserts, stainless-steel hooks, flexible photovoltaic materials, and webbing curtains that provide power generation, thermal stabilization, impact resistance, work/sleeping surfaces, and radiation prot…
The aim of the present paper was to measure the apparent coefficients of diffusion, Knudsen diffusivities, pore diffusivities and activation energies of diffusion at 26-32 oC and to determine the modes of transport of some alcohols (methanol, ethanol, propanol, n-butanol) and aromatics (benzene, ethylbenzene, propylbe…
Certain silicate materials with different crystal structures show excellent luminescence properties. Furthermore, these silicate compounds have high chemical and thermal stability and considered as an excellent phosphor host materials. In this study, we report (Gd1−xEux)3BSi2O10 as a novel ultraviolet (UV) excited whi…
The effects of Cr and Mo on microstructure, retained austenite characteristics and tensile properties of a 0.2%C, 1.5%Si, 1.5%Mn, 0.05%Nb TRIP-aided steel with annealed martensite matrix, "TRIP-aided annealed martensitic steel; TAM steel", were investigated to enhance the hardenability. Volume fraction and carbon conc…
Solid solutions of α-Cr2O3 and α-Fe2O3 are novel oxide semiconductors exhibiting narrower band gaps than those of the end members. We have investigated the heteroepitaxial growth and crystalline structure of pulsed-laser deposited α-(CrxFe1-x)2O3 films on c-plane sapphire substrates. Under the growth condition optimiz…
EPDM rubber hoses under electricity effect, thermal and mechanical loadings can be degraded and failed. In this study, for carbon black filled EPDM(ethylene-propylene diene monomer) rubber used as a radiator hose material the electro-chemical degradation combined with mechanical and thermal loadings was analyzed. The…