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Program Highlights

High Performance Heterojunction Oxide Thin Film Transistors

Due to their outstanding electronic properties and high optical transparency, metal oxide thin-film transistors have significant potential in state-of-the-art flat panel display technologies.

(2018)

Amorphous to Crystalline Transition in Indium Oxide Semiconductors

Amorphous oxide semiconductors commonly are indium oxides doped with other metal ions. Although it is known that the introduction of secondary metal ions decreases the degree of crystallinity and elevates the crystallization temperature, there is a lack of systematic study to compare and quantify the effects of different dopant elements.

(2018)

Atomic-Scale Characterization of Synthetic Two-Dimensional Materials

Atomically thin two-dimensional (2D) materials exhibit superlative properties dictated by their intralayer atomic structure, which is typically derived from a limited number of thermodynamically stable bulk layered crystals (e.g., graphene from graphite).

(2018)

Controlling Dielectric Polarization via Molecular Design

Dielectric materials play a critical role in determining the operating voltage in modern-day electronics. In particular, highly polarizable and ultrathin dielectrics enable low operating voltages and thus low power consumption.

(2018)

Three-Atom Thick Fabrics Made by Seamless Stitching of Single-Layer Crystals

Research

Joining different materials can lead to all kinds of breakthroughs. In electronics, this produces heterojunctions — the most fundamental components in solar cells and computer chips. The smoother the seam between two materials, the better the electronic devices will function.

(2018)

Using Math to Search for a 'Needle in a Haystack' to Make Better Solar Cells

Research

CCMR researchers have used mathematical methods, typically used in business forecasting, to suggest which combination of components will make the best solar cell materials in a “perovskite” arrangement. These materials are made in solution, essentially in a beaker, at room temperature. This makes them far more energy-conservative than traditional silicon solar cells.

(2018)

Enhancement of the Quality Factor of Metallic Glass Resonators via Cyclic Shear Training

Metallic glass resonators can possess larger quality factors (i.e., slower rates of energy dissipation) than typical polycrystalline metals, since metallic glasses are spatially homogeneous without dislocations and other topological defects.

(2018)

Materials & Manufacturing Summer Teachers’ Institute (MMSTI)

The Materials and Manufacturing Summer Teachers’ Institute is a school-to-career initiative that targets STEM skills instruction for grades 7-12 in the New Haven and Bridgeport Public Schools.

Three-day workshop designed to:

(2018)

Computational Design of High-χ Block Oligomers for Accessing 1-nm Features

Research

The ability to precisely predict how molecular structure influences the microstructure of polymeric materials is the key towards the custom tailoring of desirable materials properties. Molecular dynamics simulations with atomistic level models were performed to design “high-χ” block oligomers that can self-assemble into 1-5 nm domains for next generation microelectronics applications.

(2018)

Glass-like Thermal Conductivity in Epitaxial Oxygen-Vacancy-Ordered Oxide Films

Research

Precise control over defects in materials is often a highly effective means to control properties and function. In oxide materials, which are the focus of enormous current attention for many existing and proposed applications, defects known as oxygen vacancies often play the key role. These vacancies, simply missing oxygen atoms in the structure, can have a significant impact on properties.

(2018)

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