Materials Literature
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The laser-induced fluorescence spectrum of palladium monoboride (PdB) in the visible region between 465 and 520 nm has been observed and analyzed. Gas-phase PdB molecules were produced by the reaction of diborane (B(2)H(6)) seeded in argon with laser ablated palladium atoms. Thirteen vibrational bands have been record…
The dielectric properties of Sr 2 TiMnO 6 ceramic samples were investigated as functions of temperature (100 K ≤ T ≤ 320 K) and frequency (100 Hz ≤ f ≤ 10 MHz). Two thermally activated dielectric relaxations were observed. The sample was confirmed to possess multivalent states of Mn and Ti ions and the coexistence of…
Purpose Some power plants in China that adopt reverse osmosis (RO) product water as their fresh water source face serious metal corrosion of their water distribution system. The corrosion process of carbon steel in RO product water is still not clear and there is no suitable anti‐corrosion method for the power plant t…
Poly(vinyl alcohol) (PVA) polymer was prepared using the casting technique. The obtained PVA thin films have been irradiated with electron beam doses ranging from 20 to 300 kGy. The resultant effect of electron beam irradiation on the structural properties of PVA has been investigated using X-ray diffraction (XRD) and…
This paper reports computational results of the total (complete) and total ionization cross- sections, for electron impact on Uracil (C4H4N2O2) and PO3OH for impact energies from the ionization threshold to 2 keV. The total cross-section is evaluated using quantum mechanical approach using Spherical Complex Optical Po…
Biphasic fluorocarbon/hydrocarbon amphiphiles tethered to cores at distances commensurate with their packing requirement can provide thermodynamic pathways toward equilibrium. This contrasts with the analogous semifluorinated alkanes. The dynamics of a fluorous biphasic hexa(3,5-substituted-phenyl)benzene (HPB) is stu…
C-doped TiO2nanotubes (NTs) with anatase structure, prepared by anodizing the polished Ti foils, were characterized using X-ray diffraction (XRD), field-emission scanning electron microscope (FE-SEM), and synchrotron-based X-ray photoemission spectroscopy (XPS). XPS results show electron losses in C atoms, no electron…
The π-π stacking interactions between tptz units from adjacent Sm(tptz)(HCOO)(3) coordination nanotubes leads to additional 1D channels (tptz = 2,4,6-tris(2-pyridyl)-s-triazine). The present compound is a rare case of a tubular porous material with both hydrophobic and hydrophilic channels. Permanent porosity was conf…
Crystal imperfections degrade the quality of multicrystalline silicon wafers by introducing alternative recombination mechanisms. Here we use non-destructive hyperspectral imaging to detect photoluminescence signals from radiatively active recombination processes over the wafer with a highly resolved spectral third di…
We present angle resolved photoelectron data for the ionization of all N 2 outer valence shells namely the 3σ g , 1π u and 2σ u states in the photon energy region from 19 to 50 eV with a photon energy step width down to 20 meV. Signatures due to the autoionization of doubly excited Rydberg states and the corresponding…
Purpose The purpose of this paper is to investigate the effect of TiO2 nanoparticle content on the corrosion behavior of Ni‐Cr/TiO2 nanocomposite coatings applied by pulse‐reverse electroplating. Design/methodology/approach Ni‐Cr/TiO2 nanocomposite coatings with various contents of TiO2 nanoparticles were electrodepos…
We provide a physics-inspired coupling mechanism explaining the cis-effect in terms of electronic and nuclear degrees of freedom and explore the implications for three families of molecules. The cis- or trans-effect is related to the tendency of electronic charge density to move away from the bond critical point (BCP)…
The catalytic performance of Preyssler, H14[NaP5W30O110]: Wells–Dawson, H6[P2W18O62]; and Keggin, H3[PW12O40] and H4[PMo11VO40], heteropolyacids as pure compounds have been studied in the synthesis of pyrazoles and diazepines in the condensation of hydrazines, hydrazides, and diamines with various 1,3-diketones. In al…
While most oxygenic phototrophs harvest light only in the visible range (400-700 nm, VIS), anoxygenic phototrophs can harvest near infrared light (> 700 nm, NIR). To study interactions between the photosynthetic guilds we used microsensors to measure oxygen and gross oxygenic photosynthesis (gOP) in a hypersaline micr…
The giant anionic polysaccharide "sacran", which is composed of 6-deoxyhexoses, pentoses, uronic acids as well as hexoses, showed hydrophobization and insolubilization phenomena in response to ultraviolet light irradiation. The sacran solution became turbid, and microparticles were formed by photoirradiation. To visua…
The differences in the C-terminal domains of human amylin peptide variants initiate different aggregation processes and differences in the composition of the aggregates by affecting the hydrophobic cores, conformations, and intra-sheet interactions of the peptides, which have distinct effects on the cytotoxicity of th…
Abstract The new coordination polymer [ϵ‐PMo12O37(OH)3{La(H2O)3}4(L)]·28H2O [H4L = tetrakis(4‐carboxyphenyl)silane] can be synthesized by combining equal quantities of two types of 4‐connecting building blocks: organic L4– ligands and inorganic polyoxometalate‐derived [ϵ‐PMo12O37(OH)3{La(H2O)4}4]4+ polyoxocations. The…
We present an efficient vertical InGaN light-emitting diode (LED) in which the proposed vertical LEDs were fabricated with patterned sapphire substrates (PSS) using thinning techniques. After the thinning of sapphire substrate, selective dry etching process was performed on the remainder sapphire layer to expose the n…
Photochemistry of mycolactone A/B and related unsaturated fatty acid esters is reported. On exposure to visible light, mycolactone A/B gave a mixture of four photomycolactones. Pentaenoates and tetraenoates, representing the unsaturated fatty acid portion of mycolactone A/B, were found to show the reactivity profile p…
The ligand 2,4,6-tris(2-picolylamino)-1,3,5-triazine (o-H3tpat) with essentially resonative structure and two copper(II)-based one-dimensional coordination chain structures, [Cu3Cl5(o-H2tpat)(H2O)]·MeOH·CH2Cl2 (1) and [Cu2(o-H2tpat)(H2O)(MeOH)(NO3)2](NO3)·3MeOH (2), with different structural patterns have been synthes…