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Now showing items 1991-2000 of 2083
Surface enhanced Raman spectrometry of C₆₀ in an electron tunneling gap
(Massachusetts Institute of Technology, 2013)
Nanogap devices have applications in single molecule sensing and single molecule transistors. Nanogap devices comprised of a gold nanowire with a nanoscale gap containing C₆₀ were fabricated using electromigration on a ...
Topological characterization of nanoporous gold during coarsening
(Massachusetts Institute of Technology, 2012)
Previous studies of nanoporous gold have found that, during the coarsening process, the genus per characteristic volume of nanoporous gold has remained constant. Using a rolling-ball type algorithm, in which a test probe ...
Platform for monolithic integration of III-V devices with Si CMOS technology
(Massachusetts Institute of Technology, 2012)
Monolithic integration of III-V compound semiconductors and Si complementary metal-oxide- semiconductor (CMOS) enables the creation of advanced circuits with new functionalities. In order to merge the two technologies, ...
Redefining manufacturing quality control in the electronics industry
(Massachusetts Institute of Technology, 2000)
The most time consuming and capital intensive portion in the assembly of power electronic devices is the test system. A comprehensive test system including functional and stress screening technologies can significantly ...
Geometrical control of domain walls and the study of domain wall properties of materials with perpendicular magnetic anisotropy
(Massachusetts Institute of Technology, 2017)
Magnetic based devices such as hard disk drives (HDDs) are widely used in the computer industry because of their high memory capacity, non-volatility and low cost compared to semiconductor-based solid state disk drives ...
Controlling the structure of two-dimensional nanoparticle supracrystals from long-range order to anisotropy by tailoring ligand interactions
(Massachusetts Institute of Technology, 2012)
Ligand-stabilized nanoparticles (NPs) assembled into long-range ordered arrays, also known as "nanoparticle supracrystals (NPSCs)", are expected to provide a powerful general platform for designing new types of solids. In ...
Welded repair and maintenance in the space environment
(Massachusetts Institute of Technology, 2003)
Ab initio thermodynamics of phase-separating and cation-disordered cathodes for Li-ion batteries
(Massachusetts Institute of Technology, 2016)
In order to accelerate the electrification of the automotive fleet, the energy density and power density limitations of commercial Li-ion battery cathodes (layered LiMO2) must be overcome. In this thesis, we use ab initio ...
Exploring crystallographic compatibility in polycrystalline Cu-based shape-memory alloys
(Massachusetts Institute of Technology, 2019)
Shape-memory alloys (SMAs) are a class of materials that can recover from apparent permanent strain (on the order of 5%) due to a solid-to-solid phase transformation. It has been recently suggested that SMAs satisfying a ...
Mechanics of Composite Hydrogels
(Massachusetts Institute of Technology, 2023-06)
Composite hydrogels – which consist of fillers in a swollen polymeric matrix – are ubiquitous structural components of biological materials, biomedical devices, food, and consumer products. The mechanical properties of ...