Materials Literature
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The population dynamics of single exciton and biexciton states in a simple model of a spherical semiconductor nanostructure is modeled numerically in the presence of Coulomb coupling between single and two exciton states and a dissipation channel in order to study the transient biexciton population that occurs in an o…
For years in the automotive industry the objective is to reduce the weight of components for well known car performance and environmental reasons. One way is to use more resistant materials for instance in the area of suspension foundry castings. Austempered Ductile Iron (ADI) is one of the most unique materials due t…
Collection of selected, peer reviewed papers from the 2nd International Congress on Advanced Materials (AM 2013), May 16-19, 2013, Zhenjiang, China. The 110 papers are grouped as follows: Chapter 1: Nano Materials; Chapter 2: Polymers; Chapter 3: Composites; Chapter 4: Biomaterials and Tissues; Chapter 5: Green Materi…
The current–voltage ( I – V ) characteristics of the thin films of methoxy-5-(2'-ethylhexyloxy)-1,4-phyenylenevinylene] (MEH-PPV) and tris-(8-hydroxyquinoline) aluminum (Alq) under different stresses have been measured, together with their Young's modulus, hardness, and loading curve. We propose a model on stress-affe…
Barium titanate BaTiO3 (BTO) - barium hexaferrite BaFe12O19 (BHF) nanocomposite could be as a raw material of multiferroic. Multiferroic is a class of materials with coupled electric, magnetic and structural order parameters that yield simultaneous effects of ferroelectric, ferromagnetism and ferroelasticity in the sa…
The effects of benzyl urea into RHDPE/NR/CFF composites with different fibers loading were studied. The composites were prepared using BrabenderPlasticorder at 160 °C with rotor speed of 50rpm. The composites were characterized in respect of their tensile properties and morphology. The results indicated that RHDPE/NR/…
In this paper, we explore relationships between two models of systems which are governed by only the local interactions of large collections of simple components: cellular automata (CA) and the abstract Tile Assembly Model (aTAM). While sharing several similarities, the models have fundamental differences, most notabl…
In this study, we study the physical property and antibacterial bioactivity of ZnO nanopowder towards Staphylococcus Aureus. Transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), FTIR, Raman spectroscopy and UV-Vis were used to characterize the ZnO nanopowder. The major morpholog…
The high-density single crystalline Ga-doped ZnO nanorods were grown on a glass substrate using the hydrothermal method. The average length and diameter of the nanorods were approximately 2.36 microm and 90 nm, respectively. The Ga-doped ZnO nanorods had hexagonal wurtzite structure and a sharp morphology. The morphol…
Biodegradability of films made from sago starch blend with PVA and LLDPE has been investigated. Blend films with different starch concentration were buried in the soil for 30 days for degradation test. FTIR and SEM have been performed on the film before and after degradation test to evaluate the biodegradability of th…
Cement production, which results in higher CO2 levels, has a negative impact on environment. This phenomenon has caused the emergence of a new type of environmentally friendly cement, such as Portland Composite Cement (PCC). On the other hand, rainfall becomes high acidity level. This will be an issue in the construct…
Zinc oxide (ZnO) is an inorganic semiconductor material which has been widely studied due to its various potential applications. Over the past decades, one-dimensional (1-D) nanostructures such as nanowires and nanorods have stimulated significant scientific interests because of their unique properties in comparison t…
NiTi alloy is one of important materials in orthodontics. Shape memory effect of this material ensures the possibility to deliver highly desireable light forces for thooth movement. Unfortunately, NiTi has problem in the high amount content of Ni that can cause allergy or even risk of poisioning in the human body due…
A semi-empirical model named ALPROP has been developed for the calculation of tensile properties and hardness in AlSiMg(Fe) Foundry Alloys. With chemical composition, dendrite arm spacing (DAS) and heat treatment parameters as input the model calculates tensile properties and hardness for material in as cast, solid so…
This article presents a facile and generally applicable methodology for the morphology diversification of two-dimensional (2D) nanostructure arrays by modifying angle-resolved heterogeneous shadow mask (AR-HSM). Colloid spheres are used to prepare scalable well-organized monolayer film by self-assembly method and then…
The development of biomaterial has reached biodegradable stage. Biodegradable means it can be degraded after certain period of time after implantation and cause no harm for the system. Degradable Biomaterial has the potential to be used as Coronary Stent to minimize the risk from thrombosis issue. Thrombosis is a symp…
Abstract P2‐type NaxM O2 (M = Mn and Co) is a promising cathode material for low‐cost sodium ion secondary batteries. In this structure, there are two different crystallographic Nai (i = 1 and 2) sites with different Coulomb potential $ (\varphi _i)$ provided by M4–x and O2–. Here, we experimentally determine a differ…
In this paper, the physical characteristics and memristive behavior of TiO2 nanostructures grown at different substrate positioning by wet chemical solution were investigated. TiO2 thin film as a seed layer for TiO2 nanostructures growth was first deposited on ITO-coated substrate by RF magnetron sputtering method. Ti…
The approach for patterning 15-nm half-pitch (HP) structures using extreme ultraviolet lithography combined with self-aligned double patterning is discussed. A stack composed of a double hard mask, which allows decoupling photoresist transfer and trim, and an α-Si mandrel, which offers better mechanical properties dur…
Severe plastic deformation (SPD) using various pass number of Equal Channel Angular Pressing (ECAP) experiment and followed heating at 400°C has been done for rod brass Cu-Zn 70/30 to investigate the operation on microstructure and hardness of the alloy. Optical microscopy and SEM are used to examine the microstructur…