News tagged with silicon wafers

New tool for analyzing solar-cell materials

To make a silicon solar cell, you start with a slice of highly purified silicon crystal, and then process it through several stages involving gradual heating and cooling. But figuring out the tradeoffs involved ...

Technology / Energy & Green Tech

created Feb 07, 2012 | popularity not rated yet | comments 0 | with audio podcast

Butterfly wings inspire design of water-repellent surface

Researchers mimic the many-layered nanostructure of blue mountain swallowtail wings to make a silicon wafer that traps both air and light.

Nanotechnology / Nanomaterials

created Nov 21, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Plasma etching pushes the limits of a shrinking world

Plasma etching (using an ionized gas to carve tiny components on silicon wafers) has long enabled the perpetuation of Moore's Law -- the observation that the number of transistors that can be squeezed into an integrated circuit ...

Physics / Plasma Physics

created Nov 10, 2011 | popularity 4 / 5 (1) | comments 1

Nanowires could be solution for high performance solar cells

Tiny wires could help engineers realize high-performance solar cells and other electronics, according to University of Illinois researchers.

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Engineers at Yale develop new type of mechanical memory

(PhysOrg.com) -- Research engineers at Yale University have succeeded in building a mechanical memory switch that is controlled and then read by lasers. In their paper published in Nature Nanotechnology, the te ...

Nanotechnology / Nanophysics

created Oct 25, 2011 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast report

Breakthrough furnace can cut solar costs

(PhysOrg.com) -- Solar cells, the heart of the photovoltaic industry, must be tested for mechanical strength, oxidized, annealed, purified, diffused, etched, and layered.

Technology / Energy & Green Tech

created Oct 25, 2011 | popularity 5 / 5 (8) | comments 11 | with audio podcast

Nanomaterials: Pillars of the assembly

The ever-increasing demand for enhanced performance in electronic devices such as solar cells, sensors and batteries is matched by a need to find ways to make smaller electrical components. Several techniques ...

Nanotechnology / Nanomaterials

created Sep 29, 2011 | popularity 4 / 5 (2) | comments 1

Controlling silicon evaporation allows scientists to boost graphene quality

Scientists from the Georgia Institute of Technology have for the first time provided details of their "confinement controlled sublimation" technique for growing high-quality layers of epitaxial graphene on ...

Nanotechnology / Nanomaterials

created Sep 22, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Faster, smaller and more economical gallium nitride transistors

For the first time, researchers from CNRS France and ETH Zurich have succeeded in producing high-performance high-electron-mobility transistors (HEMTs) made of gallium nitride (GaN) on a silicon(110) wafer. ...

Technology / Semiconductors

created Sep 21, 2011 | popularity 5 / 5 (3) | comments 4 | with audio podcast

'Oscar Madison' approach to solar cells may outshine 'Felix Unger' design

Sometimes neatness may not be necessary. Researchers have demonstrated that a tangled coating of randomly positioned nanowires can increase solar cell efficiency by absorbing more light.

Nanotechnology / Nanophysics

created Sep 12, 2011 | popularity 5 / 5 (2) | comments 0

Hydrogenation technique triples transistor performance in epitaxial graphene

(PhysOrg.com) -- A technique that uses hydrogen to improve transistor performance on real-world graphene devices has been demonstrated on the wafer-scale by researchers in Penn State’s Electro-Optics ...

Nanotechnology / Nanomaterials

created Sep 05, 2011 | popularity 5 / 5 (7) | comments 3 | with audio podcast

Nano Gold Rush: Researchers use tiny gold particles to boost organic solar cell efficiency

(PhysOrg.com) -- In the world of solar energy, organic photovoltaic solar cells have a wide range of potential applications, but they are still considered an upstart. While these carbon-based cells, which use organic polymers ...

Nanotechnology / Nanomaterials

created Aug 16, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Scientists hope to get glimpse of adolescent universe from revolutionary instrument-on-a-chip

Scientists know what the universe looked like when it was a baby. They know what it looks like today. What they don't know is how it looked in its youth. Thanks to technological advances, however, scientists ...

Space & Earth / Space Exploration

created Jun 30, 2011 | popularity 4.2 / 5 (6) | comments 9

Imec processes first power devices on 200mm CMOS-compatible GaN-on-Si

(PhysOrg.com) -- Imec and its partners in the GaN industrial affiliation program (IIAP) have produced device-quality wafers with GaN/AlGaN layers on 200mm silicon wafers.

Technology / Semiconductors

created May 26, 2011 | popularity not rated yet | comments 0

Graphene: New electronics material closer to commercial reality

(PhysOrg.com) -- Researchers have developed a method for creating single-crystal arrays of a material called graphene, an advance that opens up the possibility of a replacement for silicon in high-performance ...

Nanotechnology / Nanomaterials

created May 26, 2011 | popularity 4.8 / 5 (8) | comments 7 | with audio podcast