News tagged with applied physics letters

Related topics: graphene , carbon nanotube , sensors , quantum dots , solar cells

Stretchable Nanotube Films May Advance Medical Electronics (Update)

(PhysOrg.com) -- One of the issues hindering the development of medical electronic devices capable of being implanted in the human body is the lack of suitable materials. Most semiconducting materials are ...

Nanotechnology / Nanophysics

created May 04, 2009 | popularity 3.6 / 5 (10) | comments 1 feature

Scientists demonstrate laser with controlled polarization

Applied scientists at the Harvard School of Engineering and Applied Sciences (SEAS) in collaboration with researchers from Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, ...

Physics / Optics & Photonics

created Apr 13, 2009 | popularity 3.8 / 5 (16) | comments 3

Flexible, transparent supercapacitors -- bend and twist them like a poker card

It is a completely transparent and flexible energy conversion and storage device that you can bend and twist like a poker card.

Nanotechnology / Nanophysics

created Mar 31, 2009 | popularity 4.8 / 5 (15) | comments 10

High-speed signal mixer demonstrates capabilities of transistor laser

(PhysOrg.com) -- Scientists at the University of Illinois have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser. Development of the device brings researchers ...

Physics / General Physics

created Mar 19, 2009 | popularity 5 / 5 (1) | comments 0

Will carbon nanotubes replace indium tin oxide?

(PhysOrg.com) -- Up until now, George Grüner tells PhysOrg.com, most of the studies regarding the properties - and uses - of carbon nanotubes have been restricted to the visible spectral range. “We, however, were interested in the ...

Nanotechnology / Nanomaterials

created Mar 09, 2009 | popularity 4.9 / 5 (9) | comments 2 feature

Quantum dots as midinfrared emitters

(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...

Physics / Optics & Photonics

created Feb 23, 2009 | popularity 4.1 / 5 (10) | comments 1 feature

Nanocomposite material provides photonic switching

(PhysOrg.com) -- Integrated photonic devices represent the wave of future technology. These devices will be extremely small, making use of photons on the nanoscale, and (hopefully) be very efficient in terms of power use. ...

Nanotechnology / Nanophysics

created Feb 09, 2009 | popularity 4.2 / 5 (9) | comments 0 feature

The Power of Light: Moving Macroscopic Amounts of Matter

(PhysOrg.com) -- Since 1970, scientists have been working with “optical tweezers” - lasers that move microscopic amounts of matter using forces originating from the light matter interaction. Now, for the first ...

Physics / General Physics

created Jan 29, 2009 | popularity 3.3 / 5 (12) | comments 17 feature

Capture of nanomagnetic 'fingerprints' a boost for next-generation information storage media

In the race to develop the next generation of storage and recording media, a major hurdle has been the difficulty of studying the tiny magnetic structures that will serve as their building blocks. Now a team ...

Physics / General Physics

created Jan 29, 2009 | popularity 5 / 5 (1) | comments 1

Light-speed nanotech: Controlling the nature of graphene

Researchers at Rensselaer Polytechnic Institute have discovered a new method for controlling the nature of graphene, bringing academia and industry potentially one step closer to realizing the mass production ...

Nanotechnology / Nanophysics

created Jan 21, 2009 | popularity 5 / 5 (5) | comments 0

Fabricating 3D Photonic Crystals

(PhysOrg.com) -- “In photonic crystals, the ability to control the structure of a material in full three dimensional space, allows you to control the way that light flows through it,” John Rogers tells PhysOrg.com. “This ...

Physics / General Physics

created Jan 21, 2009 | popularity 4.3 / 5 (9) | comments 1 feature

Spin-polarized electrons on demand

Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole ...

Physics / General Physics

created Jan 15, 2009 | popularity 4.6 / 5 (14) | comments 2

Can you see me now? Flexible photodetectors could help sharpen photos

(PhysOrg.com) -- Distorted cell-phone photos and big, clunky telephoto lenses could be things of the past. UW-Madison Electrical and Computer Engineering Associate Professor Zhenqiang (Jack) Ma and colleagues ...

Physics / General Physics

created Jan 13, 2009 | popularity 4.8 / 5 (11) | comments 0

Smart Lighting: New LED Drops the 'Droop'

(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency.

Physics / General Physics

created Jan 12, 2009 | popularity 4.8 / 5 (24) | comments 14