Sunday, July 22, 2018
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Semiconductor

Engineers Develop World’s Most Efficient Semiconductor Material for Thermal Management

Working to address “hotspots” in computer chips that degrade their performance, UCLA engineers have developed a new semiconductor material, defect-free boron arsenide, that is...
Thermal Conductivity

Researchers Upend Conventional Wisdom on Thermal Conductivity

Scientists have long known that diamond is the best material for conducting heat, but it has drawbacks: It is costly and is an electrical...
organic photovoltaic devices

Thin and Flexible Organic Photovoltaic Devices Engineered to Resist Both Mechanical...

A flexible polymer-based solar cell that can be heated up to 120 degrees Celsius without reducing its ability to harvest energy has been developed...
photodetector

New Photodetector Could Improve Night Vision, Thermal Sensing and Medical Imaging

Using graphene, one of science’s most versatile materials, engineers from the UCLA Samueli School of Engineering have invented a new type of photodetector that...
graphene

Graphene Assembled Film Shows Higher Thermal Conductivity Than Graphite Film

Until now, scientists in the graphene research community have assumed that graphene assembled film cannot have higher thermal conductivity than graphite film. Single layer...
Thermal spin current

Thermal Spin Currents Confirmed in Both Space and Time

Bielefeld physics successfully concludes DFG priority programme The national priority programme ‘Spin Caloric Transport’ (SpinCaT) funded by the German Research Foundation (DFG) was set up...
ferroelectrics

Main Regularities of Thermal Expansion and Thermal Stability of Layered Ferroelectrics...

The scientists of the Lobachevsky University and the Institute of Low Temperatures and Structural Research in Wroclaw (Poland) conducted unique studies of oscillation properties...
graphene

Researcher Develops a New Generation of Graphene

“The challenge has been to scale up graphene’s outstanding properties from nanoscale at laboratories to macro-scale at industry without degradation,” says Mamoun Taher. He...
Metamaterial Optical Solar Reflectors

New Thermal Coatings for Spacecraft and Satellites Developed Using Metamaterials

A team of researchers, which includes the University of Southampton, have developed new technology which could prompt a significant change for a spacecraft or...
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Engineers’ Zero-G Space Research Shows How to Build Stronger Metal Components

Engineers conducting experiments in the unique environment of microgravity – known as Zero-G – have gained important new insights into the way metals solidify....
watch-type sweat rate sensor

Finding Human Thermal Comfort with a Watch-type Sweat Rate Sensor

KAIST developed a watch-type sweat rate sensor. This subminiature device can detect human thermal comfort accurately and steadily by measuring an individual’s sweat rate. It...
thermal-conductivity

Researchers Solve ‘Four-Phonon’ Thermal-Conductivity Obstacle Key to Tech Applications

New findings have solved a longstanding obstacle in research to understand the effects of heat conduction in solid materials, a critical issue in many...
graphene

Thermal Gradients Shown to Enhance Spin Transport in Graphene

Scientists of the ICN2 Physics and Engineering of Nanodevices Group, led by ICREA Prof. Sergio O. Valenzuela, have contributed to the literature on spin...
thermal energy

A New Way to Store Thermal Energy

In large parts of the developing world, people have abundant heat from the sun during the day, but most cooking takes place later in...
laser

Laser-Focused: Chengyun Hua Turns the Heat up on Materials Research

In Chengyun Hua’s research, everything revolves around heat and how it moves. As a Russell Fellow at the Department of Energy's Oak Ridge National...
Solar-Thermal Conversion

A Low-Cost Method for Solar-Thermal Conversion That’s Simpler and Greener

Researchers led by Yuan Yang, assistant professor of materials science and engineering at Columbia Engineering, along with colleagues at the Department of Chemistry at Columbia...
gallium nitride wafer

Thinking Thin Brings New Layering and Thermal Abilities to the Semiconductor...

What would a simple technique to remove thin layers from otherwise thick, rigid semiconductor crystals mean for the semiconductor industry? This concept has been...

Thinking Thin Brings New Layering and Thermal Abilities to the Semiconductor...

In a breakthrough for the semiconductor industry, researchers demonstrate a new layer transfer technique called “controlled spalling” that creates many thin layers from a...