Materials Literature
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The energy storage density of electrical capacitors utilizing antiferroelectric compositions Pb0.99Nb0.02[(Zr0.57Sn0.43)1−yTiy]0.98O3 as dielectrics is measured at a series of temperatures in a series of dielectric compositions with and without self-confinement. Under the applied electric field of 70 kV/cm, a maximum…
Creatures in nature possess almost perfect structures and properties, and exhibit harmonization and unification between structure and function. Biomimetics, mimicking nature for engineering solutions, provides a model for the development of functional surfaces with special properties. Recently, honeycomb structure mat…
UNLABELLED: The char produced in the thermolysis of granulated scrap tyres has few market outlets, reducing the economic viability of the thermolytic process. This paper reports the potential of this char as a low-cost precursor of porous carbons. The tyre-derived char was demineralized in either alkaline or acidic me…
Size matters: Chemistry has contributed strongly to the rapid development of nanoscience resulting in an ever-growing amount of nanosized systems and materials. The properties of these systems do not only arise from their size, but also surface modifications and structures. Nanomaterials thus have unique properties an…
Co-fired magnetostrictive/piezoelectric/magnetostrictive laminate structure with silver inner electrode was synthesized and characterized. We demonstrate integration of textured piezoelectric microstructure with the cost-effective low-temperature co-fired layered structure to achieve strong magnetoelectric coupling. U…
This study reveals the self-assembly patterns of six-coordinate complexes of the tetra(4-pyridyl)- and tetra(3-pyriyl)-tin-porphyrin moieties (SnT 4 PyP and SnT 3 PyP, respectively) with multidentate carboxylic acids as axial ligands. Detailed structural characterization of the supramolecular organization in the resul…
Raman-scattering behaviors have been studied in graphene quantum dots (GQDs) by varying their average size (d) from 5 to 35 nm. The peak frequencies of D and 2D bands are almost irrespective of d, and the intensity of the D band is larger than that of the G band over almost full range of d. These results suggest that…
INTRODUCTION: Development of drug delivery systems for brain delivery is one of the most challenging research topics in pharmaceutical areas, mainly due to the presence of the blood-brain barrier (BBB), which separates the blood from the cerebral parenchyma thus limiting the brain uptake of the majority of therapeutic…
A systematic study was conducted of the effect of Al impurities on the mechanical and thermal properties of sintered reaction‐bonded silicon nitrides ( SRBSN s). 2 mol.% Y 2 O 3 and 5 mol.% M g S i N 2 were added as sintering aids to high‐purity raw Si powder, followed by respective additions of 0, 0.01, 0.1, 0.2, and…
An important aspect of corrosion prediction for oil/gas wells and pipelines is to obtain a realistic estimate of the corrosion rate. Corrosion rate prediction involves developing a predictive model that utilizes commonly available operational parameters, existing lab/field data, and theoretical models to obtain realis…
On the basis of extensive experimental studies of Pb${}_{1\ensuremath{-}x}$Ba${}_{x}$(Fe${}_{1/2}$Nb${}_{1/2}$)O${}_{3}$ (PFN-BFN) and Pb(Fe${}_{1/2}$Nb${}_{1/2}$)${}_{1\ensuremath{-}x}$Ti${}_{x}$O${}_{3}$ (PFN-PT) single crystals by several experimental methods, we have proposed phase diagrams describing the magnetic…
We study the in-plane anisotropy of the thermoelectric power and electrical resistivity on detwinned single crystals of isovalent substituted EuFe(2)(As(1-x)P(x))(2). Compared to the resistivity anisotropy, the thermopower anisotropy is more pronounced and clearly visible already at temperatures much above the structu…
Quantum yield represents one of most fundamental and important properties of photoluminescent materials and eventually determines the suitability of materials for the applications in optical devices, analysis, biosensing, and fluorescence imaging. Despite that a variety of methods have been developed to measure the qu…
Magnetic Heusler materials with very low Gilbert damping are expected to show novel magnonic transport phenomena. We report nonlinear generation of higher harmonics leading to the emission of caustic spin-wave beams in a low-damping microstructured Co(2)Mn(0.6)Fe(0.4)Si Heusler waveguide. The source for the higher har…
Here we explored a novel ZnO nanorod array template-assisted electrodeposition route to synthesize large-scale single-walled polypyrrole (PPy) nanotube arrays (NTAs) and multi-walled MnO(2)/PPy/MnO(2) NTAs. The structures of nanotubes, such as external and inner diameters, wall thicknesses, and lengths, can be well co…
Ein supramolekularer Klettverschluss mit bemerkenswerter mechanischer und chemischer Reversibilität und hervorragender Adhäsion wurde auf der Basis von multivalenten Wirt-Gast-Anordnungen erhalten (siehe Schema). Mit Cucurbit[7]uril (CB[7]) als Wirtspezies und Aminomethylferrocenyl (Fc) als Gastspezies funktionalisier…
A stable and improved control of the wettability of textiles was obtained by using a coating of diamond like carbon (DLC) films on cotton by PECVD. By controlling different plasma pretreatments of argon, oxygen, and hydrogen on the cotton fibers' surface, we have shown that the pretreatments had a significant impact o…
Two carboxylate-bridged Dy(III) complexes, [Dy(2)(piv)(5)(μ(3)-OH)(H(2)O)](n) (1) and [Dy(2)(piv)(6)(phen)(2)] (2) (pivH = pivalic acid; phen = 1,10-phenanthroline), have been synthesized and structurally characterized. Complex 1 takes a one-dimensional (1D) chain structure based on [Dy(4)(μ(3)-OH)(2)(piv)(8)(H(2)O)(2…
The development of polymers that can repair damage autonomously would be useful to improve the lifetime of polymeric materials. To date, limited attention has been dedicated to developing elastomers with autonomic self-healing ability, which can recover damages without need for an external or internal source of healin…
X-ray circular magnetic dichroism (XMCD), longitudinal ($χ_{ac}$) and transverse (TS) ac magnetic susceptibility have been measured in several members of the $R$Co$_2$ series ($R$ = Dy, Ho, and Tm) as a function of temperature and applied magnetic field. We show that parimagnetism is a general behavior along the $R$Co…