Materials Literature
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This review charts the origins, founding, and continuous subsequent development of the UK National Crystallography Service (NCS) over a period spanning almost four decades. Particular attention is paid to personnel, instrumentation and systems development and funding regimes. From the start-up using standard, off-the-…
Abstract BACKGROUND Sodalite has been commonly employed as a photochromic material, and low Si/Al ratio sodalite is theoretically suitable for hydrogen storage. Consequently, a green and energy‐saving synthetic route towards sodalite from inexpensive sources is highly desirable. Oil shale ash is a fly ash by‐product p…
Plasma‐induced graft polymerization (PIGP) is an efficient method for constructing functionalized pore‐filling type materials. This study imparts new information about the significance of substrate infiltration process and pH of the monomer solution that determines the degree of grafting via PIGP inside pores. Herein,…
The ${\text{LiNbO}}_{3}$(2$\overline{1}\overline{1}0$) surface, commonly referred to as X-cut, is investigated by means of atomic force microscopy and first-principles calculations. Atomically resolved atomic force microscopy images show geometrical patterns not compatible with truncated bulk terminations. Fast Fourie…
We provide a new approach to identify the substrate influence on graphene surface. Distinguishing the substrate influences or the doping effects of charged impurities on graphene can be realized by optically probing the graphene surfaces, included the suspended and supported graphene. In this work, the line scan of Ra…
CONTEXT: Liposomes are increasingly employed to deliver chemotherapeutic agents, antisense oligonucleotides, and genes to various therapeutic targets. OBJECTIVE: The present investigation evaluates the ability of fusogenic pH-sensitive liposomes of rapamycin in increasing its antiproliferative effect on human breast a…
The oxidation of a well-known chemoprotectant in anticancer therapies, sodium 2-mercaptoethanesulfonate, MESNA, by acidic bromate and aqueous bromine was studied in acidic medium. Stoichiometry of the reaction is: BrO3(-) + HSCH2CH2SO3H → Br(-) + HO3SCH2CH2SO3H. In excess bromate conditions the stoichiometry was deduc…
We find a characteristic low-energy peak structure located in the range 100--300 cm${}^{\ensuremath{-}1}$ in the optical conductivity spectra of a quasi-two-dimensional organic compound with a triangular lattice, $\ensuremath{\theta}$-${(\mathrm{BEDT}\text{\ensuremath{-}}\mathrm{TTF})}_{2}{\mathrm{CsZn}(\mathrm{SCN})}…
Despite their rich electronic and magnetic properties, the free-standing or suspending zigzag edge graphene nanoribbons with n chains ( n -ZGRNs) can be twisted quite easily and buckle, which makes it difficult for nanoelectronics as well as spintronics applications. Using first principles density functional theory (D…
Abstract The realization of common materials transformations in nanocrystalline systems is fostering the development of novel nanostructures and allowing a deep look into the atomistic mechanisms involved. Galvanic corrosion is one such transformation. We studied galvanic replacement within individual metal nanopartic…
A model is constructed to describe the electron emission from a vertically aligned monolayer graphene with a biased dc field. The graphene is excited by having an internal time-oscillating electric field. Our model has included all electrons from the central and sidebands. Due to the excitation, our calculations show…
The thallium-rich sulfosalt deposit of Jas Roux, situated in the Pelvoux Massif (Hautes-Alpes de´partement, France), occurs in a Triassic sedimentary series. Jasrouxite belongs to the early lead-containing stages of the Tl–As–Sb period of mineralization. It occurs in a silicified gangue, along with smithite and late r…
Recent research has shown that silica/surfactant self-assembly combined with photoacid-catalyzed sol–gel polymerization can direct the formation of disordered mesoporous silica films. Using only a mixture of photoacid generator (PAG), amphiphilic surfactant (PEO- b -PPO- b -PEO), and methoxy oligomeric precursor, this…
Electrospinning was employed to synthesize tubular TiO2 nanofibers. The as-spun fibers were subjected to heat treatment at 800 degrees C for 1 h in the air. By controlling the polymer concentration, pores measuring 30-60 nm were formed on the side walls of the tubular nanofibers. During annealing, the average nanofibe…
The sorption of a series of aromatic heterocycles on neutral hypercrosslinked polystyrene from maximally dilute acetonitrile and water.acetonitrile solutions of them is investigated by high-performance liquid chromatography in a range of column temperatures from 308 to 348 K at 5 K intervals. It is found that for all…
Mark Ladd and Rex Palmer published the fifth edition of their textbook ‘Structure determination by X-ray crystallography’. The updated subtitle ‘Analysis by X-rays and neutrons’ indicates that this...
Abstract “Politico-engineering” in the twenty-first century is generating “Piezoelectric Actuator Renaissance” in the area of sustainability and crisis technologies in particular. This paper reviews the recent advances in materials, designing concepts, and new applications of piezoelectric actuators and describes the…
Zinc maleate (ZnMA) and calcium maleate (CaMA) were synthesized by reaction of maleic acid with the corresponding metal oxides and were characterized by X‐ray diffraction, thermal analysis, and Fourier‐transform infrared (FTIR) spectroscopy. The thermal stabilizing effects of ZnMA and CaMA on poly(vinyl chloride) (PVC…
As a novel functional nanomaterial, the dispersion effect of carbon nanofibers (CNFs) has a significant influence on the application of CNFs in the composites. Two effective surfactants, methylcellulose (MC) and polycarboxylate superplasticizer, were used to analyze the dispersion of CNFs in aqueous solution. A method…
Single-site CeAlPO-5 with Al/Ce ratios 25, 50, 75, 100 and 125 were synthesized hydrothermally in fluoride medium. The XRD patterns of CeAlPO-5 exhibited characteristic reflections of AlPO-5. 27Al MAS-NMR of CeAIPO-5(25) showed two unusual peaks at -20.78 and -71.35 ppm due to delocalization of cerium unpaired electro…