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Technology Research News September 8, 2004 |
Nanoribbons Channel Light Researchers have made crystalline oxide nanoribbons that are capable of carrying light and that are flexible enough to form the patterns needed to carry out logic operations. |
Technology Research News October 6, 2004 |
Crystal structure tunes nanowires A new process that controls the crystal structure of nanowires made from specific semiconductors may enable electronic components, such as light-emitting diodes and laser diodes, with tunable properties. |
Technology Research News June 18, 2003 Eric Smalley |
Chip sorts colors The simple concept of proportionality is the key to a significant advance in the emerging field of integrated optics -- chips that control light rather than electricity. |
Technology Research News July 28, 2004 Eric Smalley |
Photonic chips go 3D Computer chips made from photonic crystal promise better communications equipment and ultrafast, all-optical computers |
Technology Research News April 23, 2003 |
Casting yields non-carbon nanotubes Researchers from the University of California at Berkeley have developed a method of making minuscule tubes of gallium nitride that have useful electrical and optical properties. |
CIO January 1, 2003 Matthew W. Beale |
Unseen Stripes Imagine a nanowire -- 10,000 times thinner than a human hair -- that can function as a transistor, a light-emitting diode, a biochemical sensor and many other devices, all along a single candy-striped strand. |
Technology Research News July 2, 2003 |
Tiny T splits light Researchers at the Swiss Federal Institute of Technology have designed a compact photonic crystal multiplexer that splits a lightwave into two slightly different colors. |
Technology Research News February 11, 2004 Eric Smalley |
Light-storing chip charted Storing light, even briefly, was considered impossible until recently. Since scientists have proved it could be done, they've been finding different ways of accomplishing the feat. A proposal for slowing and stopping light in photonic crystal promises to bring these experiments to the chip level. |
Technology Research News September 22, 2004 |
Nanowire Makes Standup Transistor Researchers have devised a simple way to make a set of vertical transistors from nanowires. |
Technology Research News October 8, 2003 |
Process orders nanowire arrays Harvard University researchers have found a way to neatly layer and pattern rows of nanowires. |
Technology Research News February 9, 2005 |
All-silicon chip laser demoed Researchers from Intel have moved a step forward in the push to meld lasers and silicon chips, which could eventually be used in portable biological and chemical sensors, to amplify communications signals, and to convert light to different wavelengths. |
Technology Research News December 29, 2004 |
TRN's Top Picks: Technology Research Advances of 2004 Biotechnology... Communications... Computer chips... Computer interfaces... Engineering... etc. |
Technology Research News October 22, 2003 Eric Smalley |
Nanowires make flexible circuits Nanowires might one day be used to make microscopic machines. But before then they could help liberate computer circuits from the rigid, expensive confines of silicon chips. A process that makes thin films from semiconductor nanowires improves the prospects for plastic electronics and electronic paper. |
Technology Research News June 2, 2004 |
Plastic Nanowires Sense Gasses Cornell University researchers have devised a simple way to position conducting polymer nanowires on an electrode, and have made a prototype high-speed chemical detector that is capable of sensing minuscule amounts of ammonia gas. |
Technology Research News October 22, 2003 Kimberly Patch |
DNA forms nano waffles A method for stitching together strands of DNA yields microscopic waffled sheets and ribbons. The nanostructures make handy building materials that could help bridge the huge technological chasm between the realm of molecules and the merely microscopic. |
Technology Research News June 4, 2003 Eric Smalley |
Shock waves tune light Researchers from the Massachusetts Institute of Technology have used a computer simulation to show that sending shock waves through photonic crystals could lead to faster and cheaper telecommunications devices, more efficient solar cells, and advances in quantum computing. |
Technology Research News June 4, 2003 |
Semiconductor emits telecom light Researchers from Yale University have made a light-emitting-diode that promises to lower the cost of integrating optical communications and computer chips. |
Technology Research News January 28, 2004 Eric Smalley |
Chemicals map nanowire arrays There are two challenges to getting nanowire arrays ready for prime time -- finding ways of accessing any particular nanowire junction, and connecting the devices to the outside world. Chemically modifying the right junctions could solve both problems. |
Chemistry World June 29, 2007 Simon Hadlington |
Nanowire Shines Light on Subwavelength Microscopy Researchers in the US and Japan have created a nanoscopic 'torch' that shines visible laser light on nanoscale structures, imaging them with high resolution. |
InternetNews June 22, 2004 Michael Singer |
Big Blue Eyes Optical Chip Connectors A new high-speed photodetector lets chips talk to each other using high-speed light pulses. |
Technology Research News April 7, 2004 |
Nano ribbons coil into rings Researchers from the Georgia Institute of Technology have found a way to coax microscopic zinc oxide ribbons to spontaneously coil, slinky-like, into perfect rings. |
Technology Research News November 19, 2003 Eric Smalley |
Switch promises optical chips Computers have historically been electronic rather than photonic because lightwaves, while great for sending signals over long distances, are controlled by equipment that has proven difficult to shrink to computer chip scale. The rise of photonic crystals promises to narrow the gap. |
Technology Research News November 19, 2003 |
Liquid Crystal Tunes Fiber Researchers have combined photonic crystal and liquid crystal to make an optical fiber whose properties can change according to temperature. The combination allows the researchers to change the properties of the light inside the fiber. |
IEEE Spectrum February 2005 Alexander Hellemans |
Strange Bedfellows Hybrid microcircuits, incorporating the desirable properties of the III-V compounds with those of cheap and ubiquitous silicon substrates, might soon find an important niche in electronics after all. |
Technology Research News July 30, 2003 |
Crystal cracks nurture nanowires Researchers from the University of Tokyo in Japan have devised a way to form titanium nanowires within an intentionally flawed sapphire. |
Technology Research News March 23, 2005 |
Nanowires track molecular activity Researchers from Harvard University have found a way to use transistors made from silicon nanowires to gain information about how small molecules bind to proteins. |
Technology Research News February 9, 2005 |
Lens design promises tight spots A new photonic crystal lens can focus near-field light to a spot one-quarter of the light's wavelength. The device can be used to make smaller, faster computer chips and memory. It could also be used in super-resolution microscopes. |
Technology Research News February 11, 2004 |
Magnets tune photonic crystal Researchers from Fudan University in China have found that it is possible to use a magnetic field to quickly shift or block certain frequencies of electromagnetic signals passing through photonic crystals made from semiconductor material. |
Technology Research News September 8, 2004 Eric Smalley |
Chip Architecture Uses Nanowires Nanoelectronics could eventually replace today's silicon chipmaking techniques when today's techniques run their course in a decade or two. |
Technology Research News June 18, 2003 Kimberly Patch |
Prefab key to molecular memory Nano-devices promise to use molecules as super-fast computer circuits, store fantastic amounts of information in a minuscule area and sense minute amounts of chemicals and biological materials. Researchers have brought these possibilities a step closer. |
Reactive Reports Issue 40 David Bradley |
Lighting Up with Nanowires Semiconductor nanowires are beginning to emerge as rather versatile building blocks for creating photodetectors, LEDs and lasers |
Chemistry World November 1, 2007 Jonathan Edwards |
Gold Sets Nanowires Straight Mass-producing nanodevices may become a reality now that scientists in the US have demonstrated a new way of making millions of tiny electronic components at once. |
Technology Research News October 20, 2004 Eric Smalley |
Biochip spots single viruses A detector recently built from nanowire transistors can identify individual virus particles in real time in unpurified samples. Labs-on-a-chip based on the device could be used to monitor diseases. |
IEEE Spectrum October 2005 Anna Basanskaya |
Electricity Over Glass Photonic Power offers the option of measuring high currents by placing a transducer directly on the line, obviating the use of transformers to overcome voltage differences, as the power-over-fiber system converts electricity directly to light. |
Technology Research News February 25, 2004 |
Nanowires spot DNA mutation Nanowire sensors could eventually be built into labs-on-a-chip that could be used for medical diagnostics and pathogen detection in the field, and for drug discovery. |
PC Magazine June 8, 2005 Sebastian Rupley |
Sharper Image at Nanoscale Scientists have created a superlens that overcomes a limitation in physics that has constrained the resolution of optical images. |
Chemistry World January 14, 2011 Laura Howes |
Size matters in piezoelectric materials Nanowires that produce current when bent and deformed can show huge improvements in efficiency as their diameters are shrunk. The findings will help advance research to power technology at the nanoscale. |
Technology Research News March 24, 2004 |
Nanowires span silicon contacts One challenge in making electronics at the size-scale of molecules is finding ways to position and attach nanowires to the tiny components. Researchers from Hewlett-Packard Laboratories have succeeded in growning nanowires between electrodes. |
Technology Research News August 10, 2005 |
Templates yield nano branches Making highly-branched nanoscale tubes and wires is a matter of easing off the juice by the right amount at the right time. |
Technology Research News March 24, 2004 |
Irregular layout sharpens light Aperiodic photonic crystal could improve devices that shape, detect and filter light, including communications devices like photodetectors, demultiplexers, which sort wavelengths of light, and channel drop filters, which filter out different wavelengths. |
Technology Research News August 25, 2004 |
Hybrid Nanowire Makes Transistor One challenge in making minuscule electronic devices from nanoscale components is wiring the components together. Researchers have found a way to transform sections of semiconducting silicon nanowires into metallic, or conducting, nickel silicide. |
Chemistry World November 15, 2006 Michael Gross |
Nanoribbons Put Electrons in a Spin A small ribbon made of the carbon honeycomb pattern found in graphite and nanotubes could display intriguing electronic properties and serve as a material for spin-based electronics (spintronics), researchers have predicted. |