Materials Literature
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A series of custom-designed alkanethioacetate ligands were synthesized to provide a facile method of attaching maleimide-terminated adsorbates to gold nanostructures via thiolate bonds. Monolayers on flat gold substrates derived from both mono- and dithioacetates, with and without oligo(ethylene glycol) (OEG) moieties…
Lead fluoride, $\mathrm{Pb}{\mathrm{F}}_{2}$, was investigated experimentally in the laser-heated diamond anvil cell by x-ray diffraction to pressures of 75 GPa at room temperature and to 64.5 GPa and 2430 K, as well as through first-principles density functional theory calculations up to 70 GPa. During room temperatu…
// Ammaji Rajala 1,4 , Yuhong Wang 1,4 and Raju V.S. Rajala 1,2,3,4 1 Department of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA 2 Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA 3 Department of Cell Biology, University of Oklahoma…
In this work, lithium-doped zinc oxide nanoparticles (LZO NPs) with different Li/Zn molar ratios (Li/Zn = 0, 0.05, 0.2) are successfully prepared to form an electron transporting layer (cathode buffer layer) in the inverted-type P3HT:ICBA organic photovoltaic (OPV) devices. As compared with the undoped ZnO NPs buffer…
In zero magnetic field, the famous neutron spin resonance in the $f$-electron superconductor ${\mathrm{CeCoIn}}_{5}$ is similar to the recently discovered exciton peak in the nonsuperconducting ${\mathrm{CeB}}_{6}$. A magnetic field splits the resonance in ${\mathrm{CeCoIn}}_{5}$ into two components, indicating that i…
Abstract The impedance characteristics of the ohmic overpotential of the proton exchange membrane (PEM) fuel cells are studied analytically using the process modeling approach. The water transport in the membrane, the cathode catalyst layer, and gas diffusion layer are analyzed. The analytical relation of the impedanc…
This article introduces two comprehensive experimental models to predict the compressive residual stress profile induced in TC17 alloy after shot peening. Experiments are carried out utilizing one of experimental design techniques based on response surface methodology. Shot peening intensity and coverage are considere…
We have investigated flux flow dissipation in typical two kinds of HTS tapes, i.e., a Bi-2223 multi-filamentary tape and a RE-123 coated conductor (CC) from the view point of heat load under over current conditions. Based on systematic measurements on current-voltage characteristics, the nonlinear flux flow dissipatio…
Boride layers with high hardness and wear resistance were produced on AISI D2 tool steel by thermo-reactive treatment using borax with the addition of 10 wt. % aluminum. Subsequently, PVD treatments were performed on the borided layer. The samples were characterized using optical microscopy, scanning electron microsco…
To realize AlGaN-based solar-blind ultraviolet distributed Bragg reflectors (DBRs), a novel tri-layer AlGaN/AlInN/AlInGaN periodical structure that differs from the traditional periodically alternating layers of high- and low-refractive-index materials was proposed and grown on an Al0.5Ga0.5N template via metal-organi…
// Chun Yan Wang 1, 2 , Su Tang Guo 1, 2 , Jia Yu Wang 1 , Xu Guang Yan 1 , Margaret Farrelly 1 , Yuan Yuan Zhang 3 , Fen Liu 1 , Hamed Yari 1 , Ting La 1 , Fu Xi Lei 1 , Lei Jin 3 , Xu Dong Zhang 1 , Chen Chen Jiang 3 1 School of Biomedical Sciences and Pharmacy, The University of Newcastle, NSW, Australia 2 Departme…
A new class of framework compounds with niobium mixed halide/pseudohalide cluster units and Cu I ions is explored. The title cluster compound [BMIm] 2 [Nb 6 Cl 12 (NCS) 6 {Cu(CH 3 CN)} 2 ]·2CH 3 CN ( 1 ) and its one-electron oxidized analogue [BMIm][Nb 6 Cl 12 (NCS) 6 {Cu(CH 3 CN)} 2 ] ( 2 ) are built up of [Nb 6 Cl i…
A green method using Juglans regia bark extract was used to synthesize silver nanoparticles at room temperature with monitoring by absorption spectroscopy. The size and shape of the synthesized nanoparticles were characterized by infrared spectroscopy, transmission electron microscopy, scanning electron microscopy, hi…
This paper presents the structure and chosen properties of Fe-based ribbons with specified composition, after casting and heat treating. The aim of this work was to produce amorphous ribbons and study the influence of heat treatment on the structure and thermal properties before and after annealing. The base alloy ing…
ABSTRACT Nonylphenol (NP), stannous octoate [Sn(Otc)2], and a mixture of NP and Sn(Otc)2were employed for catalyzing cyanate ester resin. The curing reaction was studied by differential scanning calorimetry. A water‐absorption test at 85 °C was utilized to study the resistance to warm and humid conditions. The thermal…
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ABSTRACT The changes in performance during thermal‐oxidative aging process of the aromaticco‐polysulfonamide (co‐PSA) fibers over a broad temperature range from 250 °C to 320 °C have been investigated. In addition, the mechanism of thermal‐oxidative aging process has been studied by using structural information obtain…
The double-shell fullerene C60@C240 formed by inclusion of C60 into C240 is the smallest stable carbon nano-onion. In this article, we analyze in detail the character of the excited states of C60@C240 in terms of exciton localization and charge transfer between the inner and outer shells. The unique structure of the b…
Ex-situ spectroscopic ellipsometry measurements are made on radio frequency magnetron sputtered oxygenated cadmium sulfide (CdS:O) thin films. Films are deposited onto glass substrates at room temperature and at 270 °C with varying oxygen to total gas flow ratios in the sputtering ambient. Ellipsometric spectra from 0…
In this work, we aim at a molecular scale understanding of the interactions and structure formation at the electrode|electrolyte interface (EEI) in Li-ion batteries. Therefore, the interaction of the key electrolyte component ethylene carbonate (EC) with Cu(111) was investigated under ultrahigh vacuum conditions. Scan…