Materials Literature
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A simple method has been developed to measure the dimensions of triaxial nanoparticles through light scattering data. The application of Debye's expansion of the form factor has been extended beyond the second moment of the difference of distances (radius of gyration). Analytical expressions have been derived for the…
Four novel mixed metal selenites or tellurites containing PdO(4) squares, namely, BaPd(SeO(3))(2), Bi(2)Pd(SeO(3))(4), and Pb(2)Pd(QO(3))(2)Cl(2) (Q = Se, Te), have been prepared and structurally characterized by single crystal X-ray diffraction analyses. These compounds exhibit three different types of anionic struct…
We present the magnetic and optical properties of various combinations of ordered spin state configurations between low-spin (LS) state, intermediate-spin (IS) state, and high-spin (HS) state of LaCoO(3) . In this study, we use the state-of-the-art first principles calculations based on generalized gradient (GGA) + Hu…
Plasma volume (PV) is an important determinant of cardiovascular function and organ perfusion, and it is the target of infusion and diuretic therapies in daily clinical practice. Despite its fundamental importance PV is not commonly measured because available methods of tracer dilution are reliant on dye substances th…
Ag nanostructures with controlled morphologies have been synthesized on GaN epitaxial films through a convenient, fast, and surfactantless photochemical method. On n-type GaN, uniform spheroidic Ag nanoparticles (NPs) of high density were obtained after photochemical reaction for a short time (30 s to 5 min) in AgNO3…
Oxidation of CpCr[(XylNCMe)(2)CH] (Xyl = 2,6-Me(2)C(6)H(3)) with pyridine N-oxide or air generated the μ-oxo dimer, {CpCr[(XylNCMe)(2)CH]}(2)(μ-O). The μ-oxo dimer was converted to paramagnetic Cr(III) CpCr[(XylNCMe)(2)CH](X) complexes (X = OH, O(2)CPh, Cl, OTs) via protonolysis reactions. The related Cr(III) alkoxide…
A basic bismuth(III) nitrate with the composition [Bi(6)O(4)(OH)(4)](0.5)[Bi(6)O(5)(OH)(3)](0.5)(NO(3))(5.5) formed in a slow crystal growth mode has an ordered crystal structure with the monoclinic space group P2(1) and lattice parameters a = 15.850(3), b = 14.986(3), c = 18.230(4) Å, β = 107.329(17)° and volume V =…
The structure-dynamics relationships in random copolymers of poly(trimethylene terephthalate) and poly(neopenthyl terephthalate) (PTT–PNT) have been investigated by means of X-ray scattering and dielectric loss spectroscopy experiments. The results show that the incorporation of neopenthyl terephthalate units into PTT…
The magnetic structures of ferromagnetic-film-coated carbon nanotube (CNT) probes and conventional pyramidal probes for a magnetic force microscope (MFM) were simulated using three-dimensional micromagnetic simulation. The CNT-MFM probes with a total probe diameter less than 60 nm are almost uniformly magnetized along…
The crystal structure and the ferroelectric phase transition are investigated in 4 mol % Ca-substituted BaTi 2 O 5 synthesized by a containerless method. The synchrotron radiation powder diffraction reveals that the Ca ion prefers to settle at one of two crystallographically nonequivalent Ba sites surrounded by a rath…
Carbon nanomaterials (CNMs) are promising in many potential applications for their attractive physical and chemical properties. Chemical vapor deposition technique (CVD) is used to synthesize CNMs on fixed substrate. Powdered activated carbon (PAC) was used as a successful substrate for CNMs growth in CVD reaction pro…
This study gives a generalised smectic–hexatic phase diagram calculated by the Landau mean field theory. Our calculated phase line equations are fitted to the experimental phase lines, which represent first-order transition for the liquid crystals studied here. The temperature- and concentration-dependent phase lines…
Abstract The piezoelectric polymeric sensors and actuators are widely valued because of their low density, availability to obtain complex shapes, and easy processing among other characteristics. However, there are not many useful piezoelectric polymers. Aromatic polyimides are high‐performance polymeric materials char…
We report the molecular beam epitaxy (MBE) growth of the iron-based superconductors, Ba1-xKxFe2As2and SmFeAs(O,F). In the growth of Ba1-xKxFe2As2films, the key to incorporating volatile K in films is low-temperature (≤350 °C) growth in reduced As flux. The highestTcthus far obtained isTcon(Tcend) = 38.0 K (35.8 K). In…
Nanotechnology mediated delivery of therapeutic agents is one of the rapidly emerging fields today that has gained significant commercial and academic attention. It is a promising approach to alleviate the drawbacks of conventional therapy and major limitations associated with drug development like poor water solubili…
Because the feature sizes of noble metal nanoparticles (NPs) are smaller than a few of nanometers, simulations including quantum effects and atomistic details are inevitable. In this work, we report a detailed electronic structure study on the plasmon resonance of isolated gold hollow nanoparticles (NPs) and NP pairs.…
The mechanism for the syntheses of inorganic framework materials based solely on polyoxometalate Keggin clusters has been examined and their electronic properties have been investigated. The assembly of the modular network compounds with the molecular formula (C 4 H 10 NO) n [W 72 M 12 O 268 X 7 ] (with the heteroatom…
In this paper we report the use of plasma-enhanced chemical vapor deposition (PECVD) for the simultaneous deposition and copolymerization of an amino acid with other organic and inorganic monomers. We investigate the fundamental effects of plasma-enhanced copolymerization on different material chemistries in stable ul…
The possibility of tuning the electronic properties of graphene by tailoring the morphology at the nanoscale or by chemical functionalization opens interesting perspectives towards the realization of devices for nanoelectronics. Indeed, the integration of the intrinsic high carrier mobilities of graphene with function…
The morphology and ontogenetic allometric trends of several taxa in the Pinnatae group of Surirella were studied using traditional morphometrics, landmark-based shape analysis, and light and electron microscopy. We investigated separately two groups of species: the first consisted of S. brebissonii Krammer & Lange-Ber…