Electronics

In an effort to get ahead of the problem of counterfeit wireless chargers, MIT researchers have built a chip that blocks attempts to wirelessly charge a device’s battery unless the charger first provides cryptographic authentication.

Secure wireless chargers

New chip would thwart the counterfeiting that plagues the market for wired device chargers.

February 9, 2017

MIT researchers have fabricated a stamp made from forests of carbon nanotubes that is able to print electronic inks onto rigid and flexible surfaces.

Printable electronics

New stamping technique creates functional features at nanoscale dimensions.

December 7, 2016

A pixelated infrared detector array is mated on top of a silicon digital-pixel readout integrated circuit (DROIC) to form an infrared digital-pixel focal plane array (DFPA) image sensor.

Lincoln Laboratory is honored with the Herschel Award

Infrared digital-pixel focal plane arrays are deemed a groundbreaking technology.

December 2, 2016

A team at MIT has found an unexpected discovery about water: Inside the tiniest of spaces — in carbon nanotubes whose inner dimensions are not much bigger than a few water molecules — water can freeze solid even at high temperatures that would normally set it boiling. The finding might lead to new applications such as ice-filled wires.

Inside tiny tubes, water turns solid when it should be boiling

MIT researchers discover astonishing behavior of water confined in carbon nanotubes.

November 28, 2016

Images produced from computer simulations show the response of a graphene surface as a silicon tip slides over it. Relative forces of atomic friction on the surface are shown by colors: Red points are “pushing” sites that help propel the tip along the surface, while blue points are “pinning” sites of greater friction that inhibit the tip’s motion.

The science of friction on graphene

Sliding on flexible graphene surfaces has been uncharted territory until now.

November 23, 2016

MIT researchers have developed a stretchy optical fiber in which they have injected multiple organic dyes (yellow, blue, and green regions). In addition to lighting up, the dyes act as a strain sensor, enabling researchers to quantify where and by how much a fiber has been stretched.

Stretchy optical fibers for implanting in the body

Biocompatible fibers could use light to stimulate cells or sense signs of disease.

October 17, 2016

MIT researchers have found that interactions between electrons and heat-carrying particles called phonons can play a significant role in preventing heat dissipation in microelectronic devices.

Electron-phonon interactions affect heat dissipation in computer chips

Study shows particle collisions may explain overheated circuits, improve thermoelectric devices.

October 12, 2016

This computational illustration shows a graphene network structure below a layer of water.

How to power up graphene implants without frying cells

New analysis finds way to safely conduct heat from graphene to biological tissues.

September 23, 2016

The researchers’ compiler takes as input differential equations and translates them into voltages and current flows across an analog chip.

Analog computing returns

New analog compiler could help enable simulation of whole organs and even organisms.

June 20, 2016

These graphs, known as Riemann surfaces, describe the energy-momentum relationships of electrons in the surfaces of exotic new materials called topological semimetals.

Physicists predict previously unseen phenomena in exotic materials

Better understanding of topological semimetals could help usher in future electronics.

June 6, 2016

A sample of the mineral perovskite is shown in the foreground, while behind it is an image the researchers used to prove the effects of intense light on a thin film of perovskite. Fluorescence imaging shows that areas that received more light became more purified, as revealed by brighter fluorescence from those regions.

Light can “heal” defects in some solar cells

Defects in some new electronic materials can be removed by making ions move under illumination.

May 24, 2016

Instructors modeled the competition’s obstacle course after major landmarks from the American Revolution, including replicas of Boston’s North Church, Concord’s Old North Bridge, and the “H.M.S. Beaver.”

2.007 robots battle it out, revolutionary-style

Motors smoking, robot reenacted Paul Revere’s ride to win competition.

May 6, 2016

“When you look at coal as a material, and not just as something to burn, the chemistry is extremely rich,” says Jeffrey Grossman. In this photo, a sample of pulverized coal (right) is shown with several test devices made from coal by the MIT researchers.

Making electronics out of coal

Instead of burning up this complex hydrocarbon, let’s make devices from it, says Jeffrey Grossman.

April 19, 2016

Fast-tracking medical device development

Brian Anthony teams researchers and physicians with industry to accelerate advances in patient care.

April 13, 2016

Researchers used the spin of light to guide the flow of optical information. Shining right-circularly polarized light on nanoribbons made of special 2-D materials enables light to flow forward on one edge and backward on the other edge. Changing the polarization of the light causes the guided modes to reverse directions.

New way to control particle motions on 2-D materials

Study points the way to new photonic devices with one-way traffic lanes.

March 21, 2016

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