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Nanophysics news

Optical nanoscope images quantum dots

Physicists have developed a technique based on optical microscopy that can be used to create images of atoms on the nanoscale. In particular, the new method allows the imaging of quantum dots in a semiconductor chip. Together ...

date11 hours ago in Nanophysics
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Quantum dot ring lasers emit colored light

Researchers have designed a new type of laser called a quantum dot ring laser that emits red, orange, and green light. The different colors are emitted from different parts of the quantum dot—red from the core, green from ...

dateJan 22, 2018 in Nanophysics feature
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Fast computer control for molecular machines

Scientists at the Technical University of Munich (TUM) have developed a novel electric propulsion technology for nanorobots. It allows molecular machines to move a hundred thousand times faster than with the biochemical processes ...

dateJan 19, 2018 in Nanophysics
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Solid and liquid at the same time

Microscopically small particles can spontaneously self-assemble into complex layered structures with remarkable properties, according to calculations performed at the TU Wien.

dateJan 17, 2018 in Nanophysics
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Extremely bright and fast light emission

An international team of researchers from ETH Zurich, IBM Research Zurich, Empa and four American research institutions have found the explanation for why a class of nanocrystals that has been intensively studied in recent ...

dateJan 10, 2018 in Nanophysics
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Ultra-thin light emitting diodes

National University of Singapore scientists have developed energy efficient ultra-thin light-emitting diodes (LEDs) for next generation communication technologies.

dateJan 08, 2018 in Nanophysics
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Hard-to-stretch silicon becomes superelastic

As a hard and brittle material, silicon has practically no natural elasticity. But in a new study, researchers have demonstrated that amorphous silicon can be grown into superelastic horseshoe-shaped nanowires that can undergo ...

dateJan 05, 2018 in Nanophysics feature
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Lab unlocks secrets of nanoscale 3-D printing

Lawrence Livermore National Laboratory (LLNL) researchers have discovered novel ways to extend the capabilities of two-photon lithography (TPL), a high-resolution 3-D printing technique capable of producing nanoscale features ...

dateJan 04, 2018 in Nanophysics
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Researchers develop highly sensitive gas sensors

A team from the Faculty of Physics of Lomonosov Moscow State University has suggested using porous silicon nanowire arrays in highly sensitive gas sensors. These devices will be able to detect the presence of toxic and non-toxic ...

Researchers demonstrate new concepts for heat management

For the first time, Prof. Dr. Markus Retsch and his research group at the University of Bayreuth have succeeded in precisely controlling temperature-dependent thermal conductivity with the help of polymer materials. These ...

3-D nanoscale imaging made possible

Imaging at the nanoscale is important to a plethora of modern applications in materials science, physics, biology, medicine and other fields. Limitations of current techniques are, e.g. their resolution, imaging speed or ...

Improving cyber security in harsh environments

Many people don't worry about the security of their personal information until it's too late. And protecting data is even more important for military personnel, whose lives could be in danger if some types of information ...

Researchers discover new way to power electrical devices

A team of University of Alberta engineers developed a new way to produce electrical power that can charge handheld devices or sensors that monitor anything from pipelines to medical implants.The discovery sets a new world ...

Strongly anisotropic spin relaxation observed in graphene

Researchers of the ICN2 Physics and Engineering of Nanodevices Group, led by ICREA Prof. Sergio O. Valenzuela, have unambiguously demonstrated the anisotropic nature of spin relaxation in graphene when interfaced with transition ...

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