Browsing Department of Materials Science and Engineering by Issue Date
Now showing items 21-40 of 195
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Diffusion-free Back Contact Solar Cells On S-passivated Si(100) Substrates
(Materials Science & Engineering, 2008-04-22)A diffusion-free back contact solar cell is proposed in this work. The textured front-side of this cell is coated with ~100 nm thermal SiO2 to enhance the light trapping meanwhile reduce the surface recombination velocity ... -
Synthesis And Characterization Of Ferromagnetic Nanoparticles
(Materials Science & Engineering, 2008-04-22)Ferromagnetic nanoparticles and their bimagnetic nanoparticles with uniform size distribution have drawn great attention in the past decades because of their unique magnetic properties and potential applications in high ... -
Fabrication And Characterization Of Cobalt-Diamond-like-Carbon (Co-DLC) Nanocomposites
(Materials Science & Engineering, 2008-04-22)In recent years, synthesis of magnetic nanocomposites has been receiving significant attention. These nanocomposites offer opportunities to develop active nanomaterials with various applications like magnetic data storage ... -
Surface Patterning Of Biodegradable Polymer In Tissue Engineering By Applying Photolithography
(Materials Science & Engineering, 2008-04-22)The prevalence of cardiovascular disease and inherent problems with current surgical therapies has prompted major efforts in the field of vascular tissue engineering. While there have been significant advances towards ... -
Preparation And Characterization Of Properties Of Electrodeposited Copper Oxide Films
(Materials Science & Engineering, 2008-04-22)Copper oxides, including cuprous oxide and cupric oxide, are prepared by electrochemical deposition. The structural, optical and electrical properties of as-deposited copper oxides are evaluated, based on which cuprous ... -
Composition - Microstructure - Property Relationships In Dual Phase Bulk Magnetoelectric Composite
(Materials Science & Engineering, 2008-08-08)The coexistence of coupled electrical and magnetic properties in the “magnetoelectric” material has led to the possibility of developing smarter and smaller electronic components. In order to make this possibility a ... -
Fabrication Of FePt Ferromagnetic Nanoparticles
(Materials Science & Engineering, 2008-08-08)Fabrication of chemically disordered FePt particles ranging from 2 - 9 nm with a precision of 1 nm has been achieved through modification of key process variables including surfactant concentration, heating rates and the ... -
Tribological And Antiwear Mechanisms Of Fluorinated Zinc Dialkyl Dithiophosphate In Comparison To Zinc Dialkyl Dithiophosphate In Engine Oils
(Materials Science & Engineering, 2008-08-08)Tribofilms generated in wear tests using lubricants containing fluorinated ZDDP and ZDDP were studied. Fluorinated ZDDP demonstrated superior wear performance compared to ZDDP under tribological conditions even at lower ... -
A Study Of The Antiwear Behavior And Oxidation Stability Of Fluorinated Zinc Dialkyl Dithio Phosphate In The Presence Of Antioxidants
(Materials Science & Engineering, 2008-08-08)The antiwear additive Zinc dialkyl dithio phosphate (ZDDP) is one of the most important components of engine-oil additives and a major source of phosphorus. Phosphorus plays a crucial part in mitigating engine wear, yet ... -
Design And Fabrication Of Piezoelectric Micro Generator Using Laser Micromachining And MEMS Technique
(Materials Science & Engineering, 2008-09-17)An energy harvesting device based on PbPb(Zr0.52Ti0.48)O3-Pb(Zn1/3Nb2/3)O3 ceramics was fabricated by using laser micromachining technique. It was found that the laser machining process did not have a significant effect ... -
Synthesis, Characterization And Potential Applications Of FePt Nanoparticles
(Materials Science & Engineering, 2009-09-16)Monodisperse FePt nanoparticles with controlled size and geometry have drawn great attention in the last decade for fundamental scientific studies and for their potential applications in advanced materials and devices such ... -
Morphology And Cathode Optimization For Efficient Polymer Bulk Heterojunction Solar Cells
(Materials Science & Engineering, 2009-09-16)Efficiency of polymer bulk heterojunction solar cell is highly dependent on the active layer morphology and can be controlled by specific experimental conditions. In this work, the influences of P3HT:PCBM blend composition, ... -
Synthesis And Evaluation Of Bioceramics For Orthopedics And Tissue Culture Applications
(Materials Science & Engineering, 2009-09-16)Hydroxyapatite is the most well known phosphate in the biologically active phosphate ceramic family by virtue of its similarity to natural bone mineral. Among all bioglass compositions Bioglass®45S5 is one of the most ... -
Solution Processed Optical Coatings For Solar Cell Applications
(Materials Science & Engineering, 2009-09-16)In the recent past the demand for higher energy conversion efficiency of solar cells is on the rise. Extensive research is carrying out and many new methods have been proposed by changing either fabrication process or ... -
Tribological Behavior Of Nanocrystalline Metals Prepared By Surface Mechanical Attrition Treatment
(Materials Science & Engineering, 2009-09-16)Nanocrystalline materials have shown great promise for a number of engineering applications ranging from structural and electronics to biomaterials and drug delivery. Nanoscale grain structures can cause tremendous ... -
Mechanism Of Wear Protection Of Al-alloys Using XANES
(Materials Science & Engineering, 2009-09-16)The mechanism of wear protection of Al-Si alloys in wear tests using lubricants containing Zinc dialkyl-dithiophosphate (ZDDP), Dialkyl dithiophosphate (DDP) , Amine phosphates, Thiadiazole, Antimony 0, 0-dialkylphosphorodithioate ... -
Solar Selective Optical Coating Made With Metal Nanopaticles For Photovoltaic Thermal Applications
(Materials Science & Engineering, 2009-09-16)The goal of this research is to fabricate solar selective reflector with suitable optical properties and high thermal and chemical stability for using in the photovoltaic thermal window. While the reflector allows some ... -
Corrosion Behavior Of Zn-ni Coatings Deposited By Electrolytic Plasma Processing
(Materials Science & Engineering, 2009-09-16)In the current research project, three groups of Zn-Ni coatings of various Ni contents were deposited on comercial carbon steel by electrolytic plasma processing (EPP), a novel surface modification technique. The coating ... -
Room-temperature Single-electron Devices Based On Cmos Fabrication Technology
(Materials Science & Engineering, 2009-09-16)Single-electron devices, in which the transport and storage of individual electrons is precisely controlled, have many potential benefits in the field of electronics, optics, and sensors. Fabrication of these devices ... -
Fabrication And Characeterization Of Granular Magnetic Gold Nanoparticles
(Materials Science & Engineering, 2009-09-16)In recent years, gold and magnetic nanoparticles have showed great potential in biomedical applications. Magnetic nanoparticles can be used in both in- vivo and in-vitro applications such as drug and gene delivery, ...