Materials Literature
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This paper presents a low-temperature route for producing RFe0.6Ni0.4O3 (where R = Pr, Nd and Sm) thin films by an aqueous inorganic sol-gel process. The films produced were characterized by X-ray diffraction (XRD) for structural, four probes for electrical and UV-vis spectroscopy for optical properties. As-deposited…
Currently, because of the wide use of magnetic/metal hybrid materials in the field of surface‐enhanced Raman scattering (SERS), magnetic fields (MFs) as a kind of surrounding environments of SERS substrates have been not ignored. And enormous attentions for the effect of MFs on SERS are very necessary. Our analysis fr…
2-(1′-Pyrenyl)nitronylnitroxide (PyrNN) forms a 2 : 1 : 2 co-crystal with octafluoronaphthalene (OFN) and entrained solvent dichloromethane (DCM), in which the radical is “shepherded” into forming chains of radical–radical contacts on the peripheries of (PyrNN–OFN–PyrNN)n π-stacks, giving weak, low dimensional inter-r…
Abstract Single crystalline strontium chloroborate (Sr 2 B 5 O 9 Cl) whiskers with uniform diameter have been synthesized by a facile route based on the calcination of precursor. The precursor was prepared by the sedimentation reaction between SrCl 2 and Na 2 B 4 O 7 aqueous solution. The products were characterized b…
Abstract Novel temperature and pH dual‐responsive dendritic polyoligomeric silsesquioxane (POSS)–poly( N ‐isopropylacrylamide) (PNIPAm)–poly(2‐hydroxyethyl methacrylate) (PHEMA) copolymers are prepared via atom transfer radical polymerization and click reactions. The cloud points ( T c ) decrease with decreasing pH fr…
Abstract Four dimeric mononuclear sandwich‐type tungstophosphate clusters of Na 12 H[Fe III (HPW 7 O 28 ) 2 ] · 44H 2 O ( 1 ) and Na 14 [M(HPW 7 O 28 ) 2 ] · 44H 2 O {M = Co II ( 2 ), Cd II ( 3 ), Mn II ( 4 )} were successfully synthesized by reaction of Na 2 WO 4 · 2H 2 O, H 3 PO 4 , and CH 3 COOH with FeCl 3 · 6H 2…
Abstract Background The production cost and the material properties of polyhydroxyalkanoate ( PHA ), a biodegradable plastic are common issues of debate. It has become a constant challenge for researchers to find suitable and relatively cheap carbon substrates. This study has investigated the production of poly(3‐hydr…
A Bayesian data-analysis approach to data sets of maximum undercooling temperatures recorded in repeated melting-cooling cycles of high-purity samples is proposed. The crystallization phenomenon is described in terms of a nonhomogeneous Poisson process driven by a temperature-dependent sample nucleation rate J(T). The…
We report the growth of epitaxial Pb(Zr 0.54 Ti 0.46 )O 3 (PZT) thin films on yttria-stabilized zirconia buffered silicon substrates by pulsed laser deposition. We demonstrate a full in plane epitaxy of the buffer layer, showing a RMS roughness of less than 0.3 nm for a 120 nm thick layer. This buffer layer allows the…
The present publication focuses on the specific synthesis of SiO 2 multiplets by the sol–gel process according to Stöber. The experiments were analyzed by means of small-angle X-ray scattering and TEM. To evaluate the experimental scattering data of various aggregate structures (multiplets), simulations had to be perf…
The design of resonators with degenerate magnetic and electric modes for negative-index metamaterial applications usually requires the ability to perturb one or both types of modes in order to induce alignment of the negative magnetic and electric properties. The incentive behind the resonator designs presented in thi…
A new one-dimensional (1-D) ion-pair compound, [1,7-bis(1-methylimidazolium)heptane][Ni(mnt)(2)](2) (mnt(2-) = maleonitriledithiolate), was synthesized and characterized structurally and magnetically. This compound shows a spin-Peierls-type transition at around 235 K. Its crystal structure belongs to the monoclinic sy…
A simple route to fabricate nano-composite oxides CuO-Cr 2 O 3 using hexadecyltrimethylammonium bromide (CTAB)-templated Cu-Cr hydrotalcite as the precursor is presented. This novel method is based on CTAB-templating effect for mesostructure directing and using the cheap metal nitrate, followed by removal of CTAB. It…
Iron corrosion is a complex process that occurs when iron is exposed to oxygen and humidity and is exacerbated by the presence of chloride ions. The deterioration of iron structures or other components can be costly to society and is usually evaluated by following the properties of the corroding material. Here, the ir…
Nicht immer gleich: Wenn sich eine Gold-Nanokäfige enthaltende Mutterzelle teilt, werden die Nanopartikel nicht gleichmäßig auf die beiden Tochterzellen verteilt. Diese ungleichmäßige Verteilung der Nanopartikel sowie deren Ausscheidung aus den Zellen (siehe Bild) wurden sowohl in vitro als auch in vivo quantitativ mi…
The design rules of transformation optics generally lead to spatially inhomogeneous and anisotropic impedance-matched magneto-dielectric material distributions for, e.g., free-space invisibility cloaks. Recently, simplified anisotropic non-magnetic free-space cloaks made of a locally uniaxial dielectric material (calc…
Assuring cell adhesion to an underlying biomaterial surface is vital in implant device design and tissue engineering, particularly under circumstances where cells are subjected to potential detachment from overriding fluid flow. Cell-substrate adhesion is a highly regulated process involving the interplay of mechanica…
The 4,4′-Methylenebis(3-chloro-2,6-diethylaniline) has been reacted with two moles of trimellitic anhydride in refluxing N,N′-dimethylformamide to obtain 4,4′-Methylenebis(3-chloro-2,6-diethyl trimellitimidobenzene) for the first time. A series of novel poly(amide–imide)s (PAIs) was synthesized by the direct polyconde…
Hierarchical micro/nanostructures of Au thorned roses, which exhibit efficient SERS activity, were synthesized for the first time by a facile interfacial reaction route without introducing any surfactant, seed or template.
Significance A nonequilibrium, nonisothermal, nonisobaric model was used for numerical simulation of the efficiency of N 2 desorption from a LiX zeolite column by rapid purge with O 2 in a pancake adsorber. The key parameters included desorption time, adsorbent particle size, and the adsorber length to diameter ratio.…