Browsing Department of Materials Science and Engineering by Issue Date
Now showing items 41-60 of 195
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Negative Differential Resistance In Hydrated Deoxyribonucleic Acid Thin Films Mediated By Diffusion-limited Redox Reaction
(Materials Science & Engineering, 2010-03-03)The charge transport mechanisms in DNA proposed in the literature cover broad range of possibilities including molecular band conduction, superexchange, multistep hole hopping, and polaron hopping. The reason for the ... -
Corrosion And Leaching Study Of Low Copper (I) Oxide Paints For Antifouling Application
(Materials Science & Engineering, 2010-03-03)Global environmental concern/economy challenges necessitate innovation of AFP's with novel additives offering improved corrosion protection, and biofouling resistance. Dispersing large proportions (40-70%) of Cu/Cu2O in ... -
Synergistic And Antagonistic Effect Of Sulfur-based Additives On The Performance Of Greases With ZDDP And PTFE
(Materials Science & Engineering, 2010-03-03)Lithium-base greases constitute about 50% of the grease market. The current trend is towards developing greases with longer working life and wider application flexibility. To address this concern, greases are blended with ... -
Synthesis And Dip-pen Nanolithographical Patterning Of Ferrite Nanoparticles
(Materials Science & Engineering, 2010-03-03)Magnetic nanoparticles are of great interest for researchers from a wide range of disciplines, including magnetic fluids, catalysis, biotechnology/biomedicine, magnetic resonance imaging, data storage, and environmental ... -
Self Powered Sensing By Combining Novel Sensor Architectures With Energy Harvesting
(Materials Science & Engineering, 2010-03-03)Recent advancements in the field of wireless sensor networks have resulted in increasing demand for self-powering techniques that reduces the dependence on batteries. In order to address this problem, there has been ... -
Thioacetamide As A Sulfur Precursor For Chalcopyrite Thin Film Solar Cells
(Materials Science & Engineering, 2010-03-03)Chalcopyrite CuInS₂ (CIS) thin films have the potential to be used in low cost terrestrial photovoltaic applications. The band gap of CIS is around 1.5 eV [1] and it well matches with the solar spectrum. However, the ... -
Structural, Magnetic And Surface Properties Of RF Magnetron Sputtered Undoped Lanthanum Mangnite Thin Films
(Materials Science & Engineering, 2010-03-03)In the present study, polycrystalline and epitaxial undoped Lanthanum Manganite (LMO) thin films were deposited by using RF magnetron sputtering on three substrates, Si (100), MgO (100) and LaAlO₃ (100) to study the influence ... -
Nanoparticle Bridge DNA Biosensor
(Materials Science & Engineering, 2010-07-19)A new DNA sensing method is demonstrated in which DNA hybridization events lead to the formation of nanoparticle satellites that bridge two electrodes and are detected electrically. The hybridization events are exclusively ... -
Synthesis And Tribological Properties Of DLC Film By RF PACVD: Effect Of Processing Parameters
(Materials Science & Engineering, 2010-07-19)Diamond-like carbon (DLC) films, have gained grounds in many industries ranging from automobile and oil and gas to electronics and bio fields due to their low friction and wear rate, chemical inertness and high hardness. ... -
Effect Of Aging On The Transformation Of Phases In Solder Joint Of PBGA Packaging
(Materials Science & Engineering, 2010-07-19)This study investigates the microstructural characteristics of 3.0Ag-0.5Cu-Sn (SAC305) solder joint as in assembled state, and their evolution with aging treatment at 100 and 150°C for various hours. Specific aim of the ... -
Formation Of Au Nanoparticles Through Reaction Of Na₃Au(SO₃)₂ By Electrochemically Evolved Hydrogen
(Materials Science & Engineering, 2010-07-19)Hydrogen evolution during electrochemical deposition has long been regarded as undesired and deliberately suppressed since small hydrogen bubbles could cause a rough surface of deposits. Here, we demonstrate a new role for ... -
Transmission Electron Microscopy Studies Of LaMnO₃ And La₁₋xSrxMnO₃Thin Films Grown On Various Substrates
(Materials Science & Engineering, 2010-07-19)LaMnO₃ (LMO) and La₁₋xSrxMnO₃ (LSMO) thin films with colossal magnetoresistance have attracted considerable interest for potential applications in many technological devices, such as magnetic sensors and read-head of ... -
Effect Of Reflow Variables On The Nanoscale Mechanical Properties Of Lead Free Solders
(Materials Science & Engineering, 2010-07-19)This study presents findings on the nano-mechanical properties of binary and ternary (Cu, Ag) - Sn Solders. Nanoindentation with a cube corner tip was used on Sn-Ag and SAC405 alloy compositions to investigate the effect ... -
Tribological Performance Of Ashless Antiwear Additives Under Extreme Pressure Conditions
(Materials Science & Engineering, 2010-07-19)Zinc diakyl dithiophosphate (ZDDP) has been used in engine oil for several decades as an antiwear additive. However, ZDDP is the primary source of P, S and Zn in the exhaust, which results in frequent maintenance or ... -
Microstructural Evolution Of Surface Layers During Electrolytic Plasma Processing
(Materials Science & Engineering, 2010-07-19)Electrolytic Plasma Processing is an emerging technology for surface modification. The EPP process is based on electrolysis of an aqueous electrolyte by application of an electrical potential between the workpiece and ... -
Solid-state Tunneling Spectroscopy Of Individual Quantum Dots
(Materials Science & Engineering, 2010-07-19)Quantum dots are gaining importance for their potential applications in the fields of energy harvesting, bio-labeling and treatment, in opto-electronic devices and in photonic devices. For all these applications, it is ... -
PO2 dependant resistance switch effect in highly epitaxial (LaBa)Co2O5+[delta] thin films
(American Institute of Physics, 2010-09-01)**Please note that the full text is embargoed** ABSTRACT: Giant resistance switching behavior in mixed conductive LaBaCo2O5+ epitaxial thin film were discovered in high temperature and reducing environments during the ... -
Bubble Template Synthesis Of Hollow Gold Nanoparticles And Their Applications As Theranostic Agents
(Materials Science & Engineering, 2010-11-01)Hollow gold nanoparticle with a sub-30nm polycrystalline shell and a 50 nm hollow core has been successfully synthesized through the reduction of sodium gold sulfite by electrochemically evolved hydrogen. Such hollow gold ... -
Study On The Leakage Current Behavior And Conduction Mechanism Of Porous Low-k In Cu/porous Low-k Interconnects: The Influence Of Extrinsic Factors
(Materials Science & Engineering, 2010-11-01)This study investigates the influence of extrinsic factors including moisture and impurities trapped in porous low-k (PLK) and defective diffusion barrier on the leakage current behavior and the associated conduction ... -
Synthesis And Characterization Of Ferromagnetic Nanowires
(Materials Science & Engineering, 2011-03-03)Ferromagnetic nanocrystals with shape anisotropy have drawn great attention in the past decades because of their unique magnetic properties and for their potential applications in ultra-high-density magnetic recording ...