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Posts Tagged ‘materials sciences’

Raising the IQ of Smart Windows

August 14, 2013

Researchers at Berkeley Lab have designed a new material to make smart windows even smarter. The material is a thin coating of nanocrystals embedded in glass that can dynamically modify sunlight as it passes through a window. Unlike existing technologies, the coating provides selective control over visible light and heat-producing near-infrared (NIR) light, so windows can maximize both energy savings and occupant comfort in a wide range of climates.


New Twist in the Graphene Story:

August 12, 2013

Berkeley Lab researchers, working at the Advanced Light Source, have discovered that in the making of bilayer graphene, a tiny structural twist arises that can lead to surprisingly strong changes in the material’s electronic properties


3D IR Images Now in Full Color

August 5, 2013

Berkeley Lab and University of Wisconsin researchers have created the first technique to offer full color IR tomography, a non-destructive 3D imaging process that provides molecular-level chemical information of unprecedented detail on biological and other specimens with no need to stain or alter the specimen.


Berkeley Lab Researchers Discover Universal Law for Light Absorption in 2D Semiconductors

July 31, 2013

Berkeley Lab researchers have demonstrated a universal law of light absorption for 2D semiconductors. This discovery
not only provides new insight into the optical properties of 2D semiconductors and quantum wells, it should also open doors to exotic new optoelectronic and photonic technologies.


Tetrapod Quantum Dots Light the Way to Stronger Polymers

July 29, 2013

Berkeley Lab researchers have developed advanced opto-mechanical stress probes based on tetrapod quantum dots (tQDs) that allow precise measurement of the tensile strength of polymer fibers with minimal impact on the polymer’s mechanical properties. These fluorescent tQDs could lead to stronger, self-repairing polymer nanocomposites.


The Semiconductor Industry Gets a Sharper Vision of the Future

June 25, 2013

The world’s most advanced extreme-ultraviolet microscope is about to go online at Berkeley Lab, and the queue of semiconductor companies waiting to use it already stretches out the door. The much-anticipated SHARP microscope was conceived and built by scientists at Berkeley Lab’s Center for X-ray Optics (CXRO) and will provide semiconductor companies with the means to push their chip-making technology to new levels of miniaturization and complexity.


Spin-Resolved ARPES Envisaged for the Advanced Light Source

June 11, 2013

One of the world’s brightest sources of soft x-rays, Berkeley Lab’s Advanced Light Source (ALS) is a premier facility for studying the properties of materials. It’s no surprise that ALS beamlines excel at ARPES – angle-resolved photoemission spectroscopy – a fundamental technique for examining electronic structure. When x-ray photons strike the surface of a sample, [...]


Testing Artificial Photosynthesis

June 10, 2013

Berkeley Lab researchers, working at the Joint Center for Artificial Photosynthesis (JCAP), have developed the first fully integrated microfluidic test-bed for evaluating and optimizing solar-driven electrochemical energy conversion systems.


Roman Seawater Concrete Holds the Secret to Cutting Carbon Emissions

June 4, 2013

At the Advanced Light Source, scientists analyzed samples from a Roman breakwater that has been submerged in the Bay of Naples for over two millennia, revealing the secrets of crystal chemistry that allow Roman seawater concrete to resist chemical attack and wave action for centuries. The manufacture of extraordinarily durable Roman maritime concrete released much less carbon than most modern concrete does today and presents important opportunities for improving quality and reducing atmospheric carbon.


Composite Organic/Inorganic Thermoelectric is More Than Sum of Its Parts

May 6, 2013

A team led by Berkeley Lab Materials Sciences Division’s Jeffrey Urban and Rachel Segalman have discovered highly conductive polymer behavior occurring at a polymer/nanocrystal interface. The composite organic/inorganic material is a thermoelectric – a material capable of converting heat into electricity – and has a higher performance than either of its constituent materials. The results [...]


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