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Search results for nanolithography

Nanophysics Jul 20, 2006

Nanoparticles self-assemble through chemical lithography

Nanoparticles – while possessing some amazing properties of strength and power – are also delicate little things, when it comes to manipulating them for use in nanodevices. Many scientists consider that the most promising ...

Optics & Photonics Jan 15, 2019

Three-dimensional femtosecond laser nanolithography of crystals

Optical properties of materials are based on their chemistry and the inherent subwavelength architecture, although the latter remains to be characterized in depth. Photonic crystals and metamaterials have proven this by providing ...

Bio & Medicine Jan 23, 2012

DNA as invisible ink can reversibly hide patterns

(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular structures. ...

Nanophysics Jun 1, 2009

Atom Pinhole Camera Acts as a Shrinking Copy Machine

(PhysOrg.com) -- In 1983, Richard Feynman proposed the idea of a machine that could create smaller scale replicas of itself. Today, such a system is still a challenge, but a machine that can produce nanometer-sized copies ...

Jan 20, 2006

Towards Molecular Electronics: New Way of Making Molecular Transistors

Researchers at Columbia University's Nanoscience Center are on the verge of solving one of the most vexing barriers facing advances in molecular electronics: incorporating individual molecules into functional nanoscale devices ...

Dec 5, 2005

Researchers Achieve First Electrowetting of Carbon Nanotubes

If you can imagine the straw in your soda can being a million times smaller and made of carbon, you pretty much have a mental picture of a carbon nanotube. Scientists have been making them at will for years, but have never ...

Materials Science Dec 22, 2021

Machine learning used to predict synthesis of complex novel materials

Scientists and institutions dedicate more resources each year to the discovery of novel materials to fuel the world. As natural resources diminish and the demand for higher value and advanced performance products grows, researchers ...

Optics & Photonics May 14, 2020

Hybrid multi-chip assembly of optical communication engines via 3-D nanolithography

Three-dimensional (3-D) nanoprinting of freeform optical waveguides also known as photonic wire bonding can efficiently couple between photonic chips to greatly simplify optical system assembly. The shape and trajectory of ...

Nanophysics Jul 23, 2018

Nanocrystals emit light by efficiently 'tunneling' electrons

Using advanced fabrication techniques, engineers at the University of California San Diego have built a nanosized device out of silver crystals that can generate light by efficiently "tunneling" electrons through a tiny barrier. ...

Nanophysics Jul 16, 2018

Single-celled architects inspire new nanotechnology

Diatoms are tiny, unicellular creatures, inhabiting oceans, lakes, rivers, and soils. Through their respiration, they produce close to a quarter of the oxygen on earth, nearly as much as the world's tropical forests. In addition ...

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