Keyword: Conductivity

Briefs: Mechanical & Fluid Systems

Researchers have developed a fundamentally new type of rotary electrical contact that addresses the two limitations of conventional brush/slip ring technology: 1) short operating lifetime due to sliding-contact...

Briefs: Semiconductors & ICs
Waterproof Graphene Electronic Circuits

The many applications of graphene, an atomically-thin sheet of carbon atoms with extraordinary conductivity and mechanical properties, include the manufacture of sensors. These transform environmental parameters into electrical signals that can be processed and measured with a computer. Due to their...

Briefs: Sensors/Data Acquisition

Most electronics only function within a certain temperature range but blending two organic materials together creates electronics that withstand extreme heat. The new plastic material could reliably conduct...

Articles: Test & Measurement

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Briefs: Materials
New Material Composition Withstands Extreme Impact and Temperature

A super-strong alloy of copper and tantalum was created that can withstand extreme impact and temperature, providing high strength and good electrical conductivity. The alloy is a model system with structure that can be passed on to other alternative material systems. Materials...

Briefs: Semiconductors & ICs

Many of today's silicon-based electronic components contain 2D materials such as graphene. Incorporating 2D materials like graphene — which is composed of a single-atom-thick layer of carbon atoms...

Briefs: Semiconductors & ICs

Current density is the amount of electrical current per cross-sectional area at a given point. As transistors in integrated circuits become smaller and smaller, they need higher and higher...

Briefs: Energy

When hit with light, semiconductors (materials that have an electrical resistance in between that of metals and insulators) generate an electric current....

Briefs: Semiconductors & ICs

The ability to measure the electronic conductivity of battery film coatings is a pressing need in the battery industry; however, these measurements can...

Articles: Mechanical & Fluid Systems

Laser diodes are one of a number of different types of electronic devices that generate heat during normal operation. Some power applied to such devices is lost as heat energy. To ensure stable...

Briefs: Mechanical & Fluid Systems

The unique capabilities of soft robots are to bend, deform, stretch, twist, or squeeze in all the ways that conventional rigid robots cannot. Today, it is easy to envision a world in...

Briefs: Materials
Thermally Conductive Crystals Dissipate Electronics Heat

The inner workings of high-power electronic devices must remain cool to operate reliably. High internal temperatures can make programs run slower, freeze, or shut down. To address this issue, researchers have optimized the crystal-growing process of boron arsenide — a material that has...

Briefs: Electronics & Computers
Ultra-Low Power Consumption for Data Recording

New phase change material was developed that has electrical characteristics that behave differently than those of conventional materials. This new material provides a drastic reduction in power consumption for data recording in nonvolatile random access memory (RAM).

Briefs: Nanotechnology

Silver nanowires have drawn significant interest in recent years for use in many applications ranging from prosthetic devices to wearable health sensors due to their flexibility,...

Briefs: Materials
Linear Resonators Make Electronics More Resistant to Damage and Defects

Mobile phones, tablets, and other portable devices are prone to failure caused by small defects in their complex electronics that can result from regular use. An innovation provides robust protection against circuitry damage that affects signal transmission.

Briefs: Semiconductors & ICs

Liquid metal printing is integral to the flexible electronics field. Additive manufacturing enables fast fabrication of intricate designs and circuitry. The field features...

Briefs: Test & Measurement

NASA Langley Research Center has developed a wireless, open-circuit SansEC (Sans Electrical Connections) sensor that can detect the presence of chemicals without being in contact...

Briefs: Test & Measurement

NASA's Langley Research Center has developed a SansEC Sensor technology for use with aerospace fuel delivery systems. The SansEC technology is a...

Application Briefs: Sensors/Data Acquisition

The demand for innovative solutions to enhance the safety of military personnel is continually on the rise. This includes the need to improve the performance of military vehicles and aircraft, in terms of both...

Application Briefs: Medical

Undergoing treatment for a physical injury or condition can be a long and frustrating experience. Broken bones, sprains, torn muscles or ligaments, as well as painful conditions...

Briefs: Medical

Sensors that sniff out chemicals in the air to warn us about everything from fires to carbon monoxide to drunk drivers to explosive devices hidden in luggage have improved so...

Articles: Materials

With very little fanfare, a special class of alloys has been finding its way into our daily lives. From indestructible eyewear, to smartphone cameras, to coronary stents, this material is...

Briefs: Manufacturing & Prototyping

NASA Langley Research Center has developed a simple mechanism for the clean cutting of high-strength and high-toughness carbon nanotube/poly-mer fiber composites on demand without high blade wear or...

Briefs: Nanotechnology

Actuators are used in a wide variety of electromechanical systems and in robotics, in applications such as steerable catheters, aircraft wings that adapt to changing conditions, and wind...

Q&A: Sensors/Data Acquisition

Researchers at Oregon State University’s College of Engineering have taken an important step toward the rapid manufacture of stretchable electronic...

Briefs: Electronics & Computers

Power electronics used for routing, control, and conversion of electrical power traditionally utilize silicon semiconductors. These systems tend to be bulky, require active cooling, and are inadequate for...

Briefs: Semiconductors & ICs
Freeform Fabrication Using Electrically Conductive Filaments

The use of multifunctional composites such as mechanically reinforced, electrically and thermally conductive parts is of interest in a range of application areas. Especially interesting and important is where tailorability of function is achieved by strategic placement of materials...

Briefs: Test & Measurement

Thinning a material down to a single-atom thickness can dramatically change that material’s physical properties. Graphene, the best known two-dimensional (2D) material, has...

Briefs: Materials
Plastic Material Works as a Heat Conductor

Plastics are excellent insulators, meaning they can efficiently trap heat — a quality that can be an advantage in something like a coffee cup sleeve. But this insulating property is less desirable in products such as plastic casings for laptops and mobile phones that overheat, in part, because the...