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。
In the course of our study on a Japanese traditional stoneware called “Bizen”, we have found that ϵ-Fe 2 O 3, which has been classically known but recently limelighted for its magnetic potentiality, crystallizes epitaxially on needlelike crystals of mullite, 3(Al,Fe) 2 O 3 ·2SiO 2 . This interesting reaction occurred…
Quantum dots (QDs) have many appealing properties for biological fluorescence imaging, but exhibit photostabilities that are dependent upon surface passivation to minimize susceptibility to oxygen and light. Here, through spectroscopy and imaging techniques, we compare the photostability of micelle-encapsulated QDs wi…
The optical components described here are variable narrow-band transmission filters, where the transmittance peak varies with the position along the surface of the filter itself. They allow the construction of ultracompact and low-weight spectrometers for space applications. The theoretical behavior of graded filters…
Quantum dots are incorporated onto small beads made of various materials thanks to the versatile layer-by-layer method. The high contrast, tri-color gradient TEM image of a bead emphasizes quantum dots in red-yellow spots. Below, quantum dot coated magnetic beads demonstrate bimodality with their bright fluorescence a…
During the sealing of glass–ceramics to metals, undesirable interfacial reactions may occur between constituents of the glass and diffusing metal species, and any reaction products formed may have serious consequences on the lifetime behavior of seal components. This paper reviews the factors influencing the lifetime…
We report on the in situ heating transmission electron microscopy (TEM) study of WS 2 and MoS 2 nanoparticles obtained from metal–organic chemical vapor deposition (MOCVD). The general behavior of MoS 2 and WS 2 is similar: Round, amorphous particles in the pristine sample transform to hollow, onion-like particles upo…
In this work we report the coating of a biological template with a polar, but uncharged, luminescent conjugated polymer, soluble in organic solvents but not in water, to produce a nanowire. Amyloid fibrils from bovine insulin were decorated with an alternating polyfluorene derivative. Decorated fibrils were partially…
We report a new application of the polyol process to produce silver nanohexapods (AgNHs) with a well-defined concave shape and a unique crystal structure. The structure was studied using X-ray diffraction (XRD), scanning electron microscopy (SEM), selected-area electron diffraction (SAED), and high-resolution electron…
In addition to the well known ferroelastic domains formed by deformation twinning in rhombohedral perovskites, a monoclinic structure is observed by transmission electron microscopy in LaCoO3-based materials. The monoclinic domains consist of a one-dimensional superstructure corresponding to doubling or tripling of th…
We report a study of the primary chain microstructure, crystallization kinetics, and crystalline morphologies of propylene ethylene copolymers (PE) synthesized with metallocene catalysts in a range of ethylene up to 21 mol %. A 13 C NMR triad distribution analysis lends support for a random distribution of the comonom…
A ‘bricks-and-mortar’ assembly approach can be used to create well- defined fibers on the microscale with alternating organic-inorganic arrangement through a simple ice-templating strategy. The fibers are constructed from closely packed monodisperse inorganic nanoparticles@PNIPAm core/shell microgels. A series of func…
Optical birefringence and calorimetric studies have been conducted with respect to structural relaxation of E‐glass (a type of calcium–alumosilicate glass system) fibers. Upon fiber drawing, the liquid of E‐glass is thermally hyperquenched and mechanically stretched. Hyperquenching (cooling rate >10 6 K/min) leads…
The accuracy of predictions of the thermal boundary conductance (hBD ) made using traditional models such as the diffuse mismatch model (DMM) varies depending on the types of material comprising the interface. At interfaces of materials with very different material properties, the discrepancy between the measured hBD…
The structure and chromic properties of WO 3 ·H 2 O nanoflakes have been investigated in situ by Raman spectroscopy and optical transmission under 785-nm laser irradiation with different powers. At a small power below 48 mW, the characteristic stretching vibrations of orthorhombic WO 3 ·H 2 O at ν 1 ≈ 650 cm -1 (W 6+…
Abstract Aluminum‐containing plugged mesoporous silica has been successfully prepared in an aqueous solution that contains triblock copolymer templates, nitrates, and silica sources but without using mineral acid. The acidity of the solution can be finely tuned from pH 1.4 to 2.8 according to the amount of the introdu…
An electrochemically fabricated 1D photonic crystal of porous Si displaying a single reflectance peak is coupled to an optical fiber and embedded in activated carbon to sense the breakthrough of organic vapors (see figure). The sensor responds to various organic vapors, demonstrating filter end-of- service-life applic…
In this work, the effect of agglomeration on the final particle size distribution is investigated for batch precipitation processes carried out in stirred tank reactors. Agglomeration kinetics of α l -glutamic acid was determined based on seeded batch experiments by a combination with a population balance model and an…
Many efforts have been devoted to exploring novel luminescent materials that do not contain expensive or toxic elements, or do not need mercury vapor plasma as the excitation source. In this paper, amorphous Al2O3 powder samples were prepared via the Pechini-type sol-gel process. The resulting samples were characteriz…
The monograph deals with a critical review of the recent research work and development on ramie, a long vegetable bast fibre. The review is divided into two parts. Part I discusses the progress of recent work on ramie, chemical components like fibre degumming, its effects on fibre composition, chemical constituents, i…
We developed a facile solution-based synthetic route for the fabrication of two different types of novel Co 3 O 4 /ZnO nanowire heterostructures: tip-coated array type and fully coated horizontal (or colloidal) type. Two-step solution-based methods were used for the fabrication of the Co 3 O 4 /ZnO nanowire heterostru…