Materials Literature
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Na 0.5 Bi 0.5 MoO 4 (I), I4 1 /a, a=5.2717,c=11.5801A, R p =4.06%. Na 0.32 Bi 0.56 MoO 4 (II), I4 1 /a, a=5?2785, c=11.6410A, R p =4.82%. Na 0.5 Ce 0.5 MoO 4 (III), I4 1 /a a=5.31167, c=11.6600A, R p =12.34%. Na 0.5 La 0.5 MoO 4 (IV), I4 1 /a, a=5.3424, c=11.7376A, R p =10.82%.
A theoretical model for nuclear magnetic resonance (NMR) observables of noble gas atoms in nematic and smectic A liquid crystal environments is developed. It is used to account for the behavior of the nuclear shielding of 129Xe (σ) and the quadrupolar coupling of 21Ne (B) measured in 1-butyl-c-4-(4′-octylbiphenyl-4-yl…
The ZGB model [Ziff et al., Phys. Rev. Lett. 56, 2553 (1986)] for a monomer–dimer surface reaction process of the type A+(1/2)B2→AB, exhibits two irreversible phase transitions (IPT) from a stationary regime with AB production for p1A≤pA≤p2A, to poisoned states with B (A)-species for pA≤p1A (pA≥p2A), respectively, whe…
We construct an expression for the free energy of an incompressible binary blend of homopolymers in the vicinity of a hard reflecting surface. Expressed as a functional of the concentration profile away from the surface, we find a contribution to the free energy that is linear in the gradient of the concentration and…
Abstract The structural changes of silk fibers induced by heat treatment were investigated by thermomechanical analysis, dynamic mechanical measurements, X‐ray diffraction analysis, and refractive indices measurements. Bombyx mori silk fibers exhibited only a slight contraction, while tussah silk fibers showed a promi…
Seven hydrophobic residues ranging in size from glycine to phenylalanine have been substituted for the wild-type methionine residue at position 13 in a 15-residue truncated version (S15) of S-peptide, the small component of ribonuclease S. Complexes of both S-15 and the seven variants with S-protein yielded isomorphou…
We report detailed measurements of the temperature dependence of the electrical resistivity and Seebeck coefficient for ${\mathrm{PrNiO}}_{3}$ with particular attention to the metal-insulator (MI) transition (${\mathit{T}}_{\mathrm{MI}}$\ensuremath{\approxeq}130 K). The Seebeck coefficient in the metallic and semicond…
Abstract To gain a better understanding of the evolution of polymer surfaces under cold plasmas, model polymer surfaces were studied. The degradation products and the gas phase were investigated by mass and optical emission spectrometry. Their evolution versus time and power enable us to propose a mechanism that invol…
Thin films of Bi4Ti3O12 that were pinhole free with uniform composition and thickness were prepared by the metallo-organic solution deposition technique on platinum coated silicon and bare silicon substrates. Crack free and crystalline films of 5000 Å thickness were fabricated by spinning and post deposition rapid the…
Electron-energy-loss spectroscopy was used to study the quantum size effect in surface-plasmon excitations of small metallic particles, with diameters ranging from 4 to 20 nm. Scanning transmission electron microscopy was used, which provided the capability of observing electron-energy-loss spectra from individual, we…
The strongly correlated and nominally trivalent Ni oxides R${\mathrm{NiO}}_{3}$ (R=Pr, Nd) show a sharp metal to insulator transition at ${\mathit{T}}_{\mathit{M}\mathrm{\ensuremath{-}}\mathit{I}}$=135 and 200 K, respectively. Rare-earth (3d), Ni (1s,2p), and O (1s) x-ray absorption measurements have been performed ab…
Three different liposome types were compared for blood clearance and tissue uptake in mice bearing C-26 colon carcinoma growing either s.c. or in liver. Therapeutic experiments were performed with the liposome preparation showing the highest tumor uptake. Liposomes were composed of solid-phase phosphatidylcholine, eit…
Abstract A Taylor-type model for large deformation polycrystalline plasticity is formulated and evaluated by comparing the predictions for the evolution of crystallographic texture and the stress-strain response in simple compression and tension, plane strain compression, and simple shear of initially ‘isotropic’ OFHC…
The operation of the ferroelectric nonvolatile memory field effect transistor is theoretically examined extensively for the first time. The ferroelectric transistor device properties are derived by combining the silicon charge-sheet model of metal-oxide-semiconductor field-effect transistor device operation with Maxwe…
Abstract The evolution of corrosion pits on stainless steel immersed in chloride solution occurs in three distinct stages: nucleation, metastable growth and stable growth. This paper describes the growth of metastable corrosion pits on stainless steel immersed in chloride solution, and their transition to stability. T…
The quantum confinement effect on excitons in quantum dots of indirect-gap materials is investigated and a mechanism that induces an indirect-to-direct conversion of the character of the optical transition is clarified. The exciton transition energy and the exciton binding energy are calculated and found to be in good…
The magnetocrystalline anisotropy energy (MAE) of the pnictide MnSb is investigated by means of the augmented spherical wave method. The spin-orbit coupling enters the variational step of the procedure and the force theorem is applied to determine the dependence of the MAE on the directions of magnetization. The autho…
The results of experimental investigations of the electrical conductivity, magnetoresistance and Hall effect in the semiconductor TlSe with a chain structure are presented. The measurements of electrical conductivity have been carried out in two directions, i.e. parallel and perpendicular to the crystal c axis (the ch…
The authors use an interface potential approach to consider the adsorption of a fluid with long-range interactions onto a substrate of two adjacent spheres. The interplay between prewetting-like thin-thick transitions and capillary condensation is discussed.
New measurements and Monte Carlo simulations of the total coefficients eta + for the backscattering of positrons from elemental solids are reported as a function of atomic number Z between 13 and 82, incident energies E from 1 to 50 keV, and incident angles between 0 degrees and 65 degrees . The measurements and simul…