Materials Literature
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During the past 15 yr, the global requirement for fertilizers has grown considerably, mainly due to demand by a larger and wealthier world population for more and higher-quality food. The demand and price for potash as a primary fertilizer ingredient have increased in tandem, because of the necessity to increase the q…
Abstract Cellulose nanocrystals (CNCs) are novel nanomaterials produced by the pulp and paper industry. The surface properties of CNCs are key factors for their dispersion in solvents. These polar materials disperse readily in water, but not in organic solvents. The ability to disperse into typically non‐polar organic…
Internal friction (or damping) is a measure of energy dissipation during mechanical vibration. The internal friction peak induced by grain boundary (GB) relaxation was discovered by Kê in polycrystals in 1947. The GB internal friction and related anelastic effects have been successfully interpreted by Zener's anelasti…
We analyze the performance of a new method for the calculation of magnetic exchange coupling parameters for the particular case of heterodinuclear transition metals complexes of Cu, Ni, and V. This method is based on a generalized perturbative approach which uses differential local spin rotations via formal Lagrange m…
White light-emitting diodes (wLEDs) are the new environmental friendly sources for general lighting purposes. For applications requiring a high-brightness, current wLEDs present overheating problems, which drastically decrease their emission efficiency, color quality and lifetime. This work gives an overview of the re…
The thermo-physical properties of the nonlinear optical (NLO) crystal K 3 B 6 O 10 Br (KBB) were experimentally investigated, including specific heat, thermal conductivity, coefficient of thermal expansion and refractive index. The specific heat of KBB is lower than that of LiB 3 O 5 and higher than that of other bora…
The tensile response to uniaxial deformation of polyethylene-based (Tetra-PE) and poly(ethylene oxide)-based (Tetra-PEO) networks of various strand lengths with idealized diamond connectivity have been studied via atomistic molecular dynamics simulations. Tetra-PE and Tetra-PEO diamond networks with the same strand le…
BaLaGa3O7:Nd (BLGO:Nd) has been investigated as a laser crystal material for about three decades. In the present work, the luminescence mechanism of BLGO:Nd is clarified by density functional theory (DFT) calculations. Structural optimization was first performed on the constructed supercell to obtain the equilibrium g…
Recently, electrospinning technology has been widely used as a processing method to make nanofiber sheets (NS) for biomedical applications because of its unique features, such as ease of fabrication and high surface area. To develop a sustained dexamethasone (Dex) delivery system, in this work, poly(ε-caprolactone-co-…
The realization of transparent electronic and optoelectronic devices requires the use of transparent p-n junctions. In this context, understanding the band alignment at the interface between the p- and n-components represents a fundamental step towards the realization of high performance devices. In this work, the ban…
Tetraborate pillared Li–Al layered double hydroxide was synthesized for the first time by a mechano‐hydrothermal process in which gibbsite (Al( OH ) 3 ) sample was first activated by a ball milling, followed by hydrothermal treatment with Li 2 B 4 O 7 in water at 95°C. Activation of gibbsite Al( OH ) 3 induced by mech…
Large scale graphene oxide (GO) is directly synthesized on copper (Cu) foil by plasma enhanced chemical vapor deposition method under 500 °C and even lower temperature. Compared to the modified Hummer's method, the obtained GO sheet in this article is large, and it is scalable according to the Cu foil size. The oxygen…
Crystals of [Co (diox) 2 (4-NO 2 -py) 2 ] ( 1 ) and [Co (diox) 2 (4-CN-py) 2 ] ( 2 ) where diox are the o -dioxolene 3,5-di- t -butylsemiquinonate (SQ •– ) and/or 3,5-di- t -butylcatecholate (Cat 2– ) ions, 4-NO 2 -py is 4-nitro-pyridine, 4-CN-py is 4-cyano-pyridine, are among the few known crystals presenting both th…
Formation of π–π stacked lamellar structure is important for high performance organic semiconductor materials. We previously demonstrated that perfluoroalkylation of aromatics and heteroaromatics was one of the strategies to design organic crystalline materials with π–π stacked lamellar structures while improving air…
We present an analytical description of the electron energy loss near plasmonic nanostructures with cylindrical symmetry as a three-step process: (i) electron-induced excitation of surface plasmon modes, (ii) their propagation and reflection, and (iii) the backaction on the electrons. The model incorporates relativist…
We report a new methodology based on glancing angle deposition (GLAD) of an organic molecule in combination with perpendicular growth of a second inorganic material. The resulting thin films retain a very well-defined tilted columnar microstructure characteristic of GLAD with the inorganic material embedded inside the…
The cultivated silk, mulberry, is being used as biomaterial in different forms. Eri, tasar and muga are some of the known wild silk varieties. The studies on biomedical applications of electrospun mats produced from these wild silks are limited though few studies on eri silk are available. In this work, comparison was…
Poly(cyclohexylethylene)-block-poly(lactide) (PCHE-PLA) block polymers were synthesized through a combination of anionic polymerization, heterogeneous catalytic hydrogenation and controlled ring-opening polymerization. Ordered thin films of PCHE-PLA with ultrasmall hexagonally packed cylinders oriented perpendicularly…
Abstract This study focuses on the electrochromic device (ECD) applications of poly(3,4‐ethylenedioxythiophene)/tungsten oxide (PEDOT/WO 3 ) hybrid nanofibers prepared via electrospinning method. Nanoporous WO 3 films were initially electrosynthesized on Pt sheet. The PEDOT layer was electropolymerized onto the entire…
We demonstrate that the phenomenon of current confinement along graphene $n\ensuremath{-}p$ junctions at high magnetic fields can be used to form an Aharonov-Bohm interferometer. The interference system exploits a closed $n\ensuremath{-}p$ junction that can be induced by a floating gate within the sample, and coupling…