Brilliantly colored chameleons, butterflies, opals—and now some 3-D-printed materials—reflect color by using nanoscale structures called photonic crystals.
Materials Science
Jun 10, 2020
0
138
3-D micro-/nanofabrication holds the key to building a large variety of micro-/nanoscale materials, structures, devices, and systems with unique properties that do not manifest in their 2-D planar counterparts. Recently, ...
Nanomaterials
May 27, 2020
0
6
Light is emerging as the leading vehicle for information processing in computers and telecommunications as our need for energy efficiency and bandwidth increases.
Optics & Photonics
May 15, 2020
0
106
A Washington State University research team has found that nanoscale particles of the most commonly used plastics tend to move through the water supply, especially in fresh water, or settle out in wastewater treatment plants, ...
Environment
Mar 13, 2020
1
342
In an advance that may help researchers scale up quantum devices, an MIT team has developed a method to "recruit" neighboring quantum bits made of nanoscale defects in diamond, so that instead of causing disruptions they ...
Quantum Physics
Mar 06, 2020
0
1030
University of Central Florida researchers are helping to close the gap separating human and machine minds.
Nanophysics
Feb 14, 2020
0
2006
Researchers working on an Army project developed nanoscale thermal switches that are key to thermal management of nanoscale devices, refrigeration, data storage, thermal computing and heat management of buildings.
Nanophysics
Feb 12, 2020
0
53
Sometimes the smallest of things lead to the biggest ideas. Case in point: Nano 2020, a University of Arizona-led initiative to develop curriculum and technology focused on educating students in the rapidly expanding field ...
Education
Feb 07, 2020
0
14
A team of researchers from Bilkent University and Sabanci University SUNUM Nanotechnology Research Center has developed a way to control buckling in a nanoscale beam using electrostatic effects. In their paper published in ...
Physicists have been studying superfluid 3He under nanoscale confinement for several years now, as this unique liquid presents a rich variety of phases with complex order parameters that can be stabilized. While past studies ...
The nanoscopic scale usually refers to structures with a length scale applicable to nanotechnology, usually cited as 1-100 nanometers. The nanoscopic scale is roughly speaking a lower bound to the mesoscopic scale for most solids.
For technical purposes, the nanoscopic scale is the size at which the expected fluctuations of the averaged properties due to the motion and behavior of individual particles can no longer be reduced to below some desirable threshold (often a few percent), and must be rigorously established within the context of any particular problem.
The 'nanoscopic scale' is sometimes marked as the point where the properties of a material change; above this point, the properties of a material are caused by 'bulk' or 'volume' effects, namely which atoms are present, how they are bonded, and in what ratios. Below this point, the properties of a material change, and while the type of atoms present and their relative orientations are still important, 'surface area effects', also referred to as quantum effects, become more apparent-these effects are due to the geometry of the material (how thick it is, how wide it is, etc), which, at these low dimensions, can have a drastic effect on quantized states, and thus the properties of a material.
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