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Program Highlights

Electrical Detection of Spin Transport in Semiconductors

In semiconductor spintronics, the spin of the electron carries information for both storage and data processing. To some extent, the electron spin can be viewed as a miniature bar magnet that interacts with a magnetic field inside the semiconductor. The orientation of the bar magnet acts as a "bit" of information.

Ion Gel-Gated Polymer Thin Film Transistors

A major goal of organic electronics is the development of new kinds of solution processable organic dielectric materials that can serve as gate insulators in organic thin film transistors (OTFTs).

Industry/International: Nanowire Grids Polarize Ultraviolet Light

The increased speed and power of microelectronic devices has come from a steady reduction in the size of their constituent features, which has been achieved by using progressively shorter wavelengths for the photolithography used in their fabrication.

A New MIT-Wide Vehicle for MRSEC Knowledge Outreach

The MIT MRSEC, in collaboration with the Materials Processing Center (MPC) and the Department of Materials Science and Engineering (DMSE), has launched a new MIT-wide materials website...The MIT MRSEC, in collaboration with the Materials Processing Center (MPC) and the Department of Materials Science and Engineering (DMSE), has launched a new MIT-wide materials website designed to help interest

Quantum Dot “Sandwiches" Emit White Light

Members of IRG-III of the MIT MRSEC have demonstrated a light emitting device application of such quantum dots. They show that white light can be generated in a layered device that combines organic semiconductor layers with a single monolayer of quantum dots.

Nanocoatings Harvest Water from Fog

In the Namib Desert in Namibia, Africa, a tiny beetle is able to convert microscopic droplets of water present in a morning fog into larger sized droplets that are directed into the beetle's mouth to quench a

Probing Spin Density Waves

Magnetism in metallic films and interfaces has been intensively studied since the discovery of Giant MagnetoResistance (GMR) in the late 1980s. This effect enabled fabrication of high sensitivity magnetic field sensors for the read heads in magnetic hard disks, revolutionizing magnetic recording.

Patterning of Large Arrays of Organic Semiconductor Single Crystals

Field-effect transistors made of single organic crystals are ideal for studying the charge transport characteristics of organic semiconductor materials. Their outstanding device performance, relative to that of transistors made of organic thin films, makes them also attractive candidates for electronic applications such as active matrix displays and sensor arrays.

Light Used as a Magnetic Hammer

Scientists in the University of Nebraska MRSEC are using very short light pulses from a femtosecond laser to perturb magnetic materials and to probe their behavior at times after the perturbation. The light pulses are only about 100 millionth-billionths of a second long.

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