Materials Literature
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We have proposed, designed, manufactured and tested low loss dielectric micro-lenses for infrared (IR) radiation based on a dielectric metamaterial layer. This metamaterial layer was created by patterning a dielectric surface and etching to sub-micron depths. For a proof-of-concept lens demonstration, we have chosen a…
To push the energy density limit of supercapacitors, a new class of electrode materials with favorable architectures is strongly needed. Binary metal sulfides hold great promise as an electrode material for high‐performance energy storage devices because they offer higher electrochemical activity and higher capacity t…
Shape memory alloys (SMAs) are capable linear actuators. This research demonstrates the capabilities of SMA wires for the control of a pivot actuator. The wires impart opposing forces to control the motion of the pivot, and their deformation lengths are used to control the angle of rotation. The performance of the act…
The hybrid strain of the domesticated silkworm (Qiufeng × Baiyu) is one of the most popular commercial silkworm varieties in China. In this study, we reported its complete mitochondrial genome sequence for the first time. The 15,680 bp long genome contains 37 genes (13 protein-coding genes [PCGs], 2 rRNA genes, and 22…
In this paper, we predict an unexpected perfect optical absorption phenomenon of oblique-incident transverse magnetic polarized light in a metallic grating situated in asymmetric surroundings. Two physical processes result in the anomalous absorption: One is the total internal reflection at the grating's interface; an…
Direct coupling of oxidative dehydrogenation of ethylbenzene with nitrobenzene hydrogenation in a fixed-bed catalytic reactor at atmospheric pressure in the temperature range of 673–823 K over MgAl 2 O 4 -supported palladium catalysts has been investigated. Simple dehydrogenation of ethylbenzene (DHEB) is reversible,…
The continued advancement of implantable medical devices has resulted in the need to join a variety of dissimilar, biocompatible metal pairs to enable selective use of their unique properties. Typical materials used in implantable medical devices include stainless steel (SS), titanium, platinum (Pt), as well as shape…
Immersion precipitation of polylactide (PLA)/chloroform solutions in methanol yields membranes with lack of pore interconnectivity. In contrast, incorporation of silica nanoparticles (NPs) in the solutions promotes pore interconnectivity throughout the membranes. The selective association of silica NPs with chloroform…
Amino-functionalized graphene (GE-NH2) was synthesized and characterized. A series of polyimide (PI)/GE-NH2 nanocomposites were then prepared by in situ polymerization. The influence of GE-NH2 content on mechanical properties and thermal stability of the as-prepared nanocomposites was investigated. It was found that t…
Triethylphosphine oxide [(C2H5)3P[double bond, length as m-dash]O; TEPO] was intercalated into protonated Dion-Jacobson-type ion-exchangeable layered perovskites, HLaNb2O7·xH2O (HLaNb) and HCa2Nb3O10·xH2O (HCaNb), by hydrolysis of their n-decoxy derivatives (C10O-HLaNb or C10O-HCaNb) in the presence of TEPO. The inter…
Polyaniline/graphene/Tb3+(PANI/GN/Tb3+) composite material was successfully prepared by the method of in-situ polymerization. The morphology of this as-formed composite material has been confirmed by scanning electron microscope (SEM) analysis. SEM images illustrated that the PANI were uniformly deposited on GN nanosh…
Nitrogen-doped graphene synthesis with ∼g scale has been accomplished using the arc discharge method. The defects formed in the synthesis process were reduced by adding various metal catalysts, among which Bi2O3 was found to be the most effective. Adding dopants to the starting materials increased the electrical condu…
Abstract NaGdF 4 nanoparticles (NPs) coated with organic ligands are known to provide efficient “positive” contrast in magnetic resonance imaging (MRI). Strongly chelating ligands, such as ethylenediaminetetraacetic acid (EDTA) and d,l ‐1,2‐diaminopropionic‐ N , N , N′ , N′ ‐tetraacetic acid (EDTACOOH), which is an ED…
The effect of rapid solidification of a suction cast specimen on the microstructure, magnetocrystalline anisotropy, and magnetic-field-induced strain of the Co1.36Ni1.21AlFe0.12 alloy was investigated. The results show that a dual-phase structure consists of L10-type twin martensite with a small amount of coexisting A…
Low temperature, scalable and air stable synthesis of ZnS nanowires and nanoplatelets.
This work discusses the use of chaos control in smart structures. An archetypal model of a shape memory alloy (SMA) two-bar truss is treated. This system exhibits both constitutive and geometrical nonlinearities presenting a complex nonlinear dynamics response including either the snap-through or the chaotic behaviors…
The blazing ability of multilayer-coated blazed gratings (MBGs) was systematically investigated via numerical calculation of the diffraction efficiency with a rigorous electromagnetic simulation code. It was found that the blazing condition is not exact and allows significant deviation from the ideal situation for ult…
Recent advances in the synthesis of hydrothermally stable mesoporous aluminosilicates (MAs) by assembling precursors shed light on their applications in residue fluid catalytic cracking. Reducing the n (H 2 O)/ n (SiO 2 ) ratio and thus reducing waste discharge is the key for practical applications of MAs. In this stu…
Abstract The biomass/plastic ratio in wood plastic composites (WPCs) has been evaluated because of the great practical importance of this topic. To this purpose, FTIR spectra of 59 polypropylene (PP)-based WPCs from three biomass species (Chinese fir, poplar, and bamboo) were recorded and the spectral dates were evalu…
The study of photon and neutron interactions with matter is an important issue for several applications, e.g. in industry, medical radiation dosimetry, security inspections, radiation shielding and nuclear engineering materials.