In a paper set to be published this week in the scientific journal Nature, IBM researchers are claiming a huge breakthrough in spintronics, a technology that could significantly boost capacity and lower power use of memory and storage ...
Tags: IBM, breakthrough, spintronics, memory and storage devices
High-power bursts of light from femtosecond system are being honed for new compact particle accelerators. An ultrafast laser system under development at the Lawrence Berkeley National Laboratory (LBL) in California has delivered ...
Tags: laser, High-power bursts, ligtht, LBL, BELLA, Berkeley
i It’s debatable, but perhaps fireflies might have been the inspiration Edison used to create the light bulb. Nevertheless, fireflies have not only fascinated admirers at night, but scientists as well. Recently, science has used the ...
Tags: fireflies, light, LED output, LEDs
The LED consists of a chip of semiconducting material doped with impurities to create a p-n junction. As in other diodes, current flows easily from the p-side, or anode, to the n-side, or cathode, but not in the reverse direction. ...
Tags: LED
In the ongoing race to build ever better flat-screen displays, a potentially disruptive technology has made a small debut at IFA, the consumer electronics show currently taking place in Berlin. In a corner of the booth of Japan's Sharp ...
Tags: disruptive technology, IFA, LCD, IGZO
University of California,Santa Barbara(UCSB)has demonstrated for the first time nonpolar m-plane(10-10)nitride semiconductor vertical-cavity surface-emitting laser(VCSEL)diodes[Casey Holder et al,Appl.Phys.Express,vol5,p092104,2012]. The ...
Tags: nitride semiconducto, VCSEL, electrical
IBM has demonstrated that it is commercially feasible to bake optical circuitry into silicon processors using existing fabrication techniques, which could set the stage for radically faster and lower-cost computer communications. Silicon ...
Tags: IBM, Nanophotonics, Optical circuitry, silicon processors
Toshiba has developed a low-power, high-speed version of MRAM memory that it says can cut power consumption in mobile CPUs by two-thirds. The company said Monday that its new MRAM (magnetoresistive random access memory) can be used in ...
Tags: cpu, highlightedpost, magnetoresistive random access memory, memory, mram
Diodes, in general, are made of very thin layers of semiconductor material; one layer will have an excess of electrons, while the next will have a deficit of electrons. This difference causes electrons to move from one layer to another, ...
Tags: LED, Light Emitting Diode
Light-emitting diodes (LEDs)—small colored lights available in any electronics store—are ubiquitous in modern society. They are the indicator lights on our stereos, automobile dashboards, and microwave ovens. Numeric displays on ...
Tags: LED, Light emitting diodes
Sunscreen could cause skin cancer? Study Study Suggests That Sunscreen Could Cause Skin Cancer Too much sun damages skin, but sunscreen have the same effect, suggests new scientific discoveries. Cell toxicity studies carried out at ...
Tags: Sunscreen, skin cancer, sunlight
Researchers based in the USA and France have created graphene nanoribbon structures with regions that have relatively large energy bandgaps of about 0.5eV [J. Hicks et al, Nature Physics, published online 18 November 2012]. Flat graphene ...
Tags: silicon carbide, graphene, nanoribbon structures, bandgaps, energy bands
Light - not electric signals - is the future of information transfer, says IBM as it reveals a "major advance" in chip technology. Calling the tech "silicon nanophotonics", IBM reckons it integrates optical components alongside electrical ...
Why have satellite makers and astronomers beaten a path across Essex? To get to the best image sensors in the world, probably. E2V not only made the CheMin and ChemCam image sensors within NASA's Curiosity Mars rover, it is also the ...
Tags: satellite, astronomer, Essex, Britain
The GaN wafers developed by NGK feature low defect density across the entire 2-inch diameter of the wafer surface and have a colorless transparency. NGK achieved this through proprietary improvements to liquid phase epitaxial technology for ...
Tags: GaN wafers, green LED chips, LED