A Quantum Dot (QD) is a nanometer-sized semiconductor nanocrystal that has unique optical properties such as the ability to emit light in the range of optical frequencies depending on its size. QDs have already been applied ...
Optics & Photonics
Jan 5, 2022
0
21
Microscopic aspects of ferroelectricity are canonically related to polar atomic displacements that break inversion symmetry of the crystal, leading to a non-zero net electric dipole moment. However, there is a special class ...
Condensed Matter
Nov 4, 2021
0
312
Near-field light is invisible light at the subwavelength scale. Harnessed for a variety of practical applications, such as wireless power transfer, near-field light has an increasingly significant role in the development ...
Optics & Photonics
Jun 14, 2021
0
9
Water molecules undergo ultrafast dithering motions at room temperature and generate extremely strong electric fields in their environment. New experiments demonstrate how in presence of such fields free electrons are generated ...
Materials Science
Sep 2, 2020
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8
In 1820, Hans Christian Oersted gave a demonstration on electricity to a class of advanced students at the University of Copenhagen in Denmark. Using an early battery prototype, he looked to see what effect an electric current ...
General Physics
Mar 20, 2020
0
508
Scientists at the University of Sussex have measured a property of the neutron—a fundamental particle in the universe—more precisely than ever before. Their research is part of an investigation into why there is matter ...
General Physics
Feb 28, 2020
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A USTC team led by Prof. Shu-Hong Yu (USTC), collaborating with Prof. Zhiyong Tang (National Center for Nanoscience and Technology, China) and Prof. Edward H. Sargent (University of Toronto), has shed new light on the topic ...
Nanomaterials
Feb 26, 2020
0
4
In a paper released today in Science Advances, Australian researchers describe the first observation of a native ferroelectric metal: a native metal with bistable and electrically switchable spontaneous polarization states—the ...
General Physics
Jul 5, 2019
1
6
One of the big questions physicists are trying to answer is what happened to all the antimatter in our universe. The universe was born out of a hot soup of both matter and antimatter particles (for example, the antiparticle ...
General Physics
Jun 6, 2019
1
50
In April, work began on one of the major projects scheduled for the second long shutdown (LS2) of the CERN accelerators: improving the electrical insulation of over 1200 magnets in the Large Hadron Collider (LHC). To complete ...
General Physics
May 30, 2019
0
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