So-called quantum dots are a new class of materials with many applications. Quantum dots are realized by tiny semiconductor crystals with dimensions in the nanometre range. The optical and electrical properties can be controlled ...
Quantum Physics
Jun 3, 2021
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19
Researchers at McGill University have gained new insight into the workings of perovskites, a semiconductor material that shows great promise for making high-efficiency, low-cost solar cells and a range of other optical and ...
General Physics
May 26, 2021
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384
Perovskite quantum dots are the rising stars of quantum emitters, but their inherent instability has hampered their development. Professor Hao-Wu Lin of the Department of Materials Science and Engineering, Associate Professor ...
Nanophysics
May 25, 2021
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537
It may be possible in the future to use information technology where electron spin is used to store, process and transfer information in quantum computers. It has long been the goal of scientists to be able to use spin-based ...
Optics & Photonics
Apr 8, 2021
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318
A new class of quantum dots deliver a stable stream of single, spectrally tunable infrared photons under ambient conditions and at room temperature, unlike other single photon emitters. This breakthrough opens a range of ...
Nanophysics
Mar 25, 2021
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283
Bright semiconductor nanocrystals known as quantum dots give QLED TV screens their vibrant colors. But attempts to increase the intensity of that light generate heat instead, reducing the dots' light-producing efficiency.
Nanomaterials
Mar 25, 2021
1
4898
CPUs are built using semiconductor technology, which is capable of putting billions of transistors onto a single chip. Now, researchers from the group of Menno Veldhorst at QuTech, a collaboration between TU Delft and TNO, ...
Nanophysics
Mar 24, 2021
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55
Whispering-gallery-mode (WGM) microresonators are opening up many new research directions that enable the detection of proteins, enzymes and DNA, down to single molecules. A new class of sensors makes use of active microresonators ...
Optics & Photonics
Mar 16, 2021
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6
In the world of exotic high-tech tools—they can be as big as school buses and cost millions of dollars—one that sits in a lab at Intel's Ronler Acres campus in Oregon is truly unique.
Quantum Physics
Mar 16, 2021
1
10
Quantum dots are manmade nanoparticles of semiconducting material comprising only a few thousand atoms. Because of the small number of atoms, a quantum dot's properties lie between those of single atoms or molecules and bulk ...
Nanomaterials
Mar 15, 2021
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