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。
We suggest a scheme for obtaining negative refraction that does not require the simultaneous presence of an electric-dipole and a magnetic-dipole transition near the same transition frequency. The key idea of the scheme is to obtain a strong electric response by using far-off-resonant Raman transitions. We propose to…
The large-scale production of carbon nanomaterials by catalytic chemical vapor deposition is reviewed in context with their microwave absorbing ability. Factors that influence the growth as well as the magnetic properties of the carbon nanomaterials are discussed.
Abstract In this paper, nanoalumina (Al 2 O 3 ) highly filled ethylene propylene diene monomer (EPDM) composites are prepared, and the mechanical (static and dynamic) properties and thermal conductivity are investigated systemically through various characterization methods. Furthermore, influences of in situ modificat…
Abstract Microencapsulated ammonium polyphosphate with an epoxy resin (EP) shell (MCAPP) was prepared by in situ method, and was characterized by transmission electron microscope (TEM), Fourier transform infrared spectroscopy (FTIR), and thermgravimetric analysis (TGA). Compared to ammonium polyphosphate (APP), MCAPP…
Ir/rutile, Au/rutile, and Ir−Au/rutile catalysts were synthesized at 80 °C and activated at 300, 400, or 500 °C in hydrogen. These catalysts were analyzed with X-ray powder diffraction and refinement of the crystalline structures as well as with high-resolution electron microscopy and infrared spectroscopy. They were…
The electrical Freedericksz transition characteristics of planar aligned liquid crystal cells doped with harvested single ferroelectric domain 9 nm nanoparticles of BaTiO(3) have been measured. We demonstrate for the first time that the electrical pre-history of the cells imparts significant polarity sensitivity to th…
Tissue engineering holds great promise for treatment of valvular diseases. Despite excellent progress in the field, current approaches do not fully take into account each patient's valve anatomical uniqueness, the presence of a middle spongiosa cushion that allows shearing of external fibrous layers (fibrosa and ventr…
The effect of cryogenic treatment (77 K) on the microstructure and mechanical properties of magnesium and AZ31 magnesium alloy has been investigated in this article. The results show that tensile stress and the hardness of the samples treated in a cryogenic environment are higher than those of the untreated samples. T…
The interaction of atomic Pt with the regular CeO 2 (111) surface has been studied by periodic density functional calculations using exchange-correlation potentials with the inclusion of the on-site Hubbard correction (LDA+ U and GGA+ U ) or employing the hybrid HSE06 functional. Various starting geometries have been…
Subnanosecond time-resolved x-ray absorption measurements have been used to probe dynamical changes in the local structure about Ge atoms in the phase-change alloy ${\text{Ge}}_{2}{\text{Sb}}_{2}{\text{Te}}_{5}$ during the optical recording (amorphization) process using an optical pump and x-ray probe technique to exa…
Abstract In this article, nano‐zinc oxide (ZnO) filled ethylene propylene diene monomer (EPDM) composites are prepared, and the mechanical (static and dynamic) properties and thermal conductivity are investigated respectively, which are further compared with the traditional reinforcing fillers, such as carbon black an…
Abstract In this study, a fatty acid‐based comonomer is employed as a styrene replacement for the production of triglyceride‐based thermosetting resins. Styrene is a hazardous pollutant and a volatile organic compound. Given their low volatility, fatty acid monomers, such as methacrylated lauric acid (MLA), are attrac…
The adsorption of alkali metals (AMs) on single layer graphene is studied using first principles methods. We observe a common trend in the binding distance, the charge transfer, and the work function $(W)$ at certain coverage of AMs with increase in the proportion $\ensuremath{\rho}$ (adatom/C atom) of the graphene co…
A new physical mechanism or mode of plastic deformation in nanocrystalline metals and ceramics is suggested and theoretically described. The mode represents the cooperative grain boundary (GB) sliding and stress-driven GB migration process. It is theoretically revealed that the new deformation mode is more energetical…
We theoretically investigate the time-dependent ballistic transport in metallic graphene nanoribbons of width $W$ after the sudden switching of a bias voltage. The potential drop is linear across a central part of length $L$ where the current is calculated. During the early transient time the current does not grow lin…
For the first time, N-(2-hydroxyl) propyl-3-trimethyl ammonium chitosan chloride (HTCC) was prepared through a fast, easy and efficient method with the assistance of microwave irradiation, and the quaternized chitosan was also degraded via the microwave irradiation. A comparative study was performed by using the conve…
We report on (magneto)transport experiments in chemically derived narrow graphene nanoribbons under high magnetic fields (up to 60 T). Evidences of field-dependent electronic confinement are given and allow estimating the possible ribbon edge symmetry. A large positive magnetoconductance indicates a strong suppression…
Ellipsometry was used to investigate the influence of ionic strength (I) and pH on the adsorption of bovine serum albumin (BSA) or beta-lactoglobulin (BLG) onto preabsorbed layers of two polycations: poly(diallyldimethylammonium chloride) (PDADMAC) or poly(4-vinylpyridine bromide) quaternized with linear aliphatic cha…
Single crystals of $\text{Ba}{({\text{Fe}}_{1\ensuremath{-}x}{\text{Ru}}_{x})}_{2}{\text{As}}_{2}$, $x<0.37$, have been grown and characterized by structural, magnetic, and transport measurements. These measurements show that the structural/magnetic phase transition found in pure ${\text{BaFe}}_{2}{\text{As}}_{2}$…
Numerous publications have examined the chemical and physical aspects of tributyl phosphate (TBP), TBP/nitric acid, and TBP/diluent/nitric acid systems, but there are some discrepancies within the available data. There is also a lack of data on the physical properties of TBP at temperatures above 60°C. A review of mor…