Light from exotic particle states
A new type of light-emitting diode has been developed at TU Wien. Light is produced from the radiative decay of exciton complexes in layers of just a few atoms thickness.
A new type of light-emitting diode has been developed at TU Wien. Light is produced from the radiative decay of exciton complexes in layers of just a few atoms thickness.
Nanophysics
Apr 15, 2019
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194
Can single crystalline materials be used for low dimensional p-n junction design? This is an open and long-standing problem. Microscopic simulations based on the generalized Bloch theorem show that in single crystalline Si ...
Nanomaterials
Mar 21, 2019
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16
Light particles normally do not "feel" each other because there is no interaction acting between them. Researchers at ETH have now succeeded in manipulating photons inside a semiconductor material in such a way as to make ...
Condensed Matter
Feb 25, 2019
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769
Excitons—electrically neutral quasiparticles—have extraordinary properties. They exist only in semiconducting and insulating materials and can be easily accessed in two-dimensional (2D) materials just a few atoms thick, ...
Quantum Physics
Feb 19, 2019
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2503
An international team of researchers led out of Macquarie University has demonstrated a new approach for converting ordinary laser light into genuine quantum light.
Quantum Physics
Feb 19, 2019
1
1687
In the quest to design more efficient solar cells and light-emitting diodes (LEDs), a team of engineers has analyzed different types of defects in the semiconductor material that enables such devices to determine if and how ...
Materials Science
Feb 19, 2019
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41
Organic semiconductors enable the fabrication of large-scale printed and mechanically flexible electronics applications, and have already successfully established themselves on the market for displays in the form of organic ...
Electronics & Semiconductors
Jan 30, 2019
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7
When German mineralogist Gustav Rose stood on the slopes of Russia's Ural Mountains in 1839 and picked up a piece of a previously undiscovered mineral, he had never heard of transistors or diodes or had any concept of how ...
General Physics
Jan 10, 2019
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226
Scientists have moved quantum optic networks a step closer to reality. The ability to precisely control the interactions of light and matter at the nanoscale could help such a network transmit larger amounts of data more ...
Nanophysics
Jan 8, 2019
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92
How did we get from the Palm Pilots of the 90s to the ultra-powerful smart phones of today? In large part, because of scaling, where integrated circuits are made with smaller feature sizes fitting more and more circuit elements ...
Electronics & Semiconductors
Nov 19, 2018
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9