English news

Electric polarization in the macroscopic world and electrons moving at atomic scales

NanoWerk.com - Tue, 08/28/2018 - 20:59
Femtosecond x-ray experiments in combination with a new theoretical approach establish a direct connection between electric properties in the macroscopic world and electron motions on the time and length scale of atoms. The results open a new route for understanding and tailoring the properties of ferroelectric materials.

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All that is gold is not biochemically stable

ScienceDaily.com: Nanotechnology News - Tue, 08/28/2018 - 19:48
Environmental nanoparticle researchers discover that gold isn't always the shining example of a biologically stable material that it's assumed to be. In a nanoparticle form, the normally very stable, inert, noble metal actually gets dismantled by a microbe found on a Brazilian aquatic weed.
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Smallest medical robot for the Guinness World Records

ScienceDaily.com: Nanotechnology News - Tue, 08/28/2018 - 18:40
It can't be seen with a human eye. It doesn't look anything like C-3PO or R2-D2, or even BB-8. But, nevertheless, it is a robot (all 120nm of it) and its now been deemed the Smallest Medical Robot.
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Carbon in color: First-ever colored thin films of nanotubes created

ScienceDaily.com: Nanotechnology News - Tue, 08/28/2018 - 18:40
A method can produce large quantities of pristine single-walled carbon nanotubes in select shades of the rainbow. The secret is a fine-tuned fabrication process -- and a small dose of carbon dioxide. The films could find applications in touch screen technologies or as coating agents for new types of solar cells.
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A novel nanoactuator system has been developed

ScienceDaily.com: Nanotechnology News - Tue, 08/28/2018 - 18:40
Researchers have developed a novel nanoactuator system, where conformation of biomolecule can be tuned by electric field and probed using optical properties of gold nanoparticle.
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Nanocrystals pave the way for new design of digital devices

NanoWerk.com - Tue, 08/28/2018 - 17:37
Researchers have developed a tiny electrical circuit that may enable an entirely new design of digital devices.

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Researchers reveal the growth of graphene near polycrystalline substrate grain boundaries

NanoWerk.com - Tue, 08/28/2018 - 17:29
Scientists have shown how the morphological structure of a catalytic substrate influences the growth of graphene on it. This provides more guidance on the synthesis of high-quality graphene with less domain boundaries.

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Researchers develop a method for cloaking nano-sensors for optics and biomedicine

NanoWerk.com - Tue, 08/28/2018 - 17:25
Researchers have developed a model of a new metamaterial, which will improve the accuracy of nano-sensors in optics and biomedicine by cloaking them from external radiation.

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FeCo-selenide -- Next-generation material in energy storage devices?

NanoWerk.com - Tue, 08/28/2018 - 17:18
Researchers have fabricated an asymmetric supercapacitor based on FeCo-selenide nanosheet arrays as positive electrode and Fe2O3 nanorod arrays as negative electrode.

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All wired up: New molecular wires for single-molecule electronic devices

NanoWerk.com - Tue, 08/28/2018 - 16:26
Scientists have designed a new type of molecular wire doped with organometallic ruthenium to achieve unprecedentedly higher conductance than earlier molecular wires.

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A novel DNA-nanoparticle actuator system

NanoWerk.com - Tue, 08/28/2018 - 13:01
Researchers have developed a novel nanoactuator system, where conformation of biomolecule can be tuned by electric field and probed using optical properties of gold nanoparticle.

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Carbon in color: First-ever colored thin films of nanotubes created

NanoWerk.com - Tue, 08/28/2018 - 11:38
A novel method can produce large quantities of pristine single-walled carbon nanotubes in select shades of the rainbow. The secret is a fine-tuned fabrication process - and a small dose of carbon dioxide.

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Levitating 2D semiconductor for better performance

NanoWerk.com - Tue, 08/28/2018 - 10:48
Scientists have suspended a 2D semiconductor on a dome-shaped nanostructure to produce a highly efficient semiconductor at a low cost.

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Reducing friction with an onion-like carbon material

NanoWerk.com - Mon, 08/27/2018 - 22:36
Researchers developed a new self-generating lubricant with great potential for industrial applications.

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Medical nanorobot enters Guinness World Records

NanoWerk.com - Mon, 08/27/2018 - 20:27
A 120 nanometer long robot is now world record holder in the Guinness World Records for creating the Smallest Medical Robot.

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A novel graphene quantum dot structure takes the cake

NanoWerk.com - Mon, 08/27/2018 - 19:50
In a marriage of quantum science and solid-state physics, researchers have used magnetic fields to confine groups of electrons to a series of concentric rings within graphene, a single layer of tightly packed carbon atoms.

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Water vapor annealing technique on diamond surfaces for next-generation power devices

NanoWerk.com - Mon, 08/27/2018 - 19:23
The existing surface termination technique using hydrogen to stabilize the diamond's structure for application in electronic power devices results in two-dimensional hole gas layers (2DHG). Attempting to remove these layers using oxygen-termination roughens the diamond surface and leads to degradation of the device performance. To overcome this, researchers have removed 2DHG from diamond using water vapor annealing and maintained an atomically flat surface.

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Improved efficiency and stability of quantum dot solar cells using an organic thin film

NanoWerk.com - Mon, 08/27/2018 - 11:46
Researchers have achieved highly stable and efficient colloidal quantum dot-based solar cells by using an amorphous organic layer to block oxygen and water permeation.

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Nanotubes change the shape of water

ScienceDaily.com: Nanotechnology News - Sat, 08/25/2018 - 02:09
Nanotubes of the right diameter can prompt water inside to solidify into a square tube, transitioning into a kind of ice. The discovery could lead to new types of nanochannels devices, like nanoscale capacitors or syringes.
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Bowtie-funnel combo best for conducting light; team found answer in simple equation

ScienceDaily.com: Nanotechnology News - Fri, 08/24/2018 - 23:05
Running computers on virtually invisible beams of light would make them faster, lighter and more energy efficient. A Vanderbilt team found the answer in a familiar formula.
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