Materials Literature
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This study compared the fundamental properties of cellulose nanocrystals (CNC) and cellulose nanofibrils (CNF) extracted from sugarcane bagasse. Conventional hydrolysis was used to extract CNC while ball milling was used to extract CNF. Images generated by scanning electron microscope and transmission electron microsc…
Transition-metal carbides (MXenes) are an emerging class of two-dimensional materials with promising electrochemical energy storage performance. Herein, for the first time, by direct chemical synthesis, nanocrystalline ε-MnO2 whiskers were formed on MXene nanosheet surfaces (ε-MnO2/Ti2CTx and ε-MnO2/Ti3C2Tx) to make n…
Water is the most abundant liquid on earth and also the substance with the largest number of anomalies in its properties. It is a prerequisite for life and as such a most important subject of current research in chemical physics and physical chemistry. In spite of its simplicity as a liquid, it has an enormously rich…
Refining a metal’s grain size can result in dramatic increases in strength, and the magnitude of this strengthening increment can be estimated using the Hall–Petch equation. Since the Hall–Petch equation was proposed, there have been many experimental studies supporting its applicability to pure metals, intermetallics…
Polyaniline (PANI) and polyaniline-clay (PANI-clay) composite nanostructured materials were prepared via both ultrasonic irradiation and sol-gel preparation techniques. The molecular structure of prepared PANI and PANI-clay composite samples were characterized by Fourier transform infrared spectroscopy (FTIR) and X-ra…
Biobased polymers have gathered a lot of interest and are currently attracting ever‐increasing attention. However, polymeric microspheres especially those derived from biomasses of small molecules, have not been extensively explored yet. This contribution reports recent exciting success in designing and preparing meth…
This paper presents an experimental study on the strengthening of scaled reinforced concrete (RC) deep beam using hemp fiber reinforced polymer (HFRP) composite. HFRP is the composite material which compose of hemp fiber bonding with epoxy resin. The major benefit of using hemp fiber is that their low price, high toug…
Abstract EuFe As is unique among 122 iron pnictides due to its 4f magnetic moments. We review its properties with particular emphasis on the interplay between 4f and 3d moments. After discussing the parent compound, we first focus on the evolution of magnetism and superconductivity for hole‐doped Eu K Fe As as well as…
The effects of introduction of low‐temperature expandable graphite (EG) and low melting point metal‐tin (Sn) on the thermal conductivity (TC) of polyamide 6 (PA6) were investigated. After introducing 10 wt% of Sn as single filler, the TC of PA6 was nearly constant, while this value was dramatically increased to 5.187…
Tunable filter Raman spectroscopy is used to efficiently produce Raman excitation maps of unpurified and type-purified single walled carbon nanotubes (SWCNTs). Maps with fine excitation resolution (1 nm) are created over a wide wavelength range (727 to 980 nm), extending from metallic to semiconducting resonances. At…
Abstract Orbital ordering has recently emerged as another important state in iron‐based superconductors, and its role for superconductivity as well as its connection to magnetic order and orthorhombic lattice distortion are heavily debated. In order to search for signatures of this so‐called nematic phase in oxypnicti…
Natural fibers have been widely used in biocomposites because are renewable raw materials and improve mechanical performances. However, some components such as lignin reduce the biodegradation of these composites. This study evaluated the effects of two types of treatments (alkali and thermal) on superficial and compo…
We compare the spatial correlations of bond-breaking events and bond-orientational relaxation in a model two-dimensional liquid undergoing Newtonian dynamics. We find that the relaxation time of the bond-breaking correlation function is much longer than the relaxation time of the bond-orientational correlation functio…
VC–VB particles reinforced Fe-based composite coatings with different molybdenum contents were in-situ fabricated by laser cladding. The microstructure and properties of the coatings were systematically investigated by means of micro hardness tester, XRD, SEM, EDS, ring-block wear testing machine and box-type resistan…
Abstract A comprehensive study of the CO 2 corrosion of carbon steel (X‐65) at low partial pressures of CO 2 is reported in this paper. Field emission scanning electron microscopy (FESEM), Raman spectroscopy (RS), synchrotron radiation‐grazing incidence X‐ray diffraction (SR‐GIXRD), and electrode kinetic studies have…
An understanding of the "bioavailability" of disseminated radiocontaminants is a necessary adjunct in order to tailor treatment and to calculate dose. A simple test has been designed to predict the bioavailability of different actinide forms likely to be found after dissemination of radioactive elements by dispersal d…
Good quality and transparent organic non-linear optical crystal 4-Hydroxy L-Proline (HLP) was grown by slow evaporation solution technique (SEST), which has the size of 10 × 5 × 5 mm3. The crystal system was identified and lattice parameters were measured by single-crystal X-ray diffraction. Functional groups of HLP a…
Bacterial cellulose (BC) has been used as a scaffold for tissue regeneration (TR). Improving functional TR requires highly selective strategies for specific cell attraction. Embedding iron oxide nanoparticles into a BC matrix can drive magnetically labeled cells to specific tissues where they may begin to heal injured…
Colloidal model systems allow for a flexible tuning of particle sizes, particle spacings and mutual interactions at constant temperature.Colloidal suspensions typically crystallize as soon as the interactions get suciently strong and long-ranged.Several strategies have been successfully applied to avoid crystallizati…
Single crystals of ThO 2 , UO 2 , and their solid solutions, U x Th 1– x O 2 , have been obtained through various hydrothermal growth conditions. This technique offers the better of two other growth processes: (i) single crystal purity as by photochemical growth of nanocrystals; and (ii) large/bulk sizes as obtained b…