In semiconductor heterostructures, reconfiguring the band-edge states and modulating their interplay with charge carriers in a continuous manner have been long-standing challenges.
Nanophysics
Nov 3, 2022
0
14
Quantum dots are clusters of some 1,000 atoms which act as one large "super-atom." It is possible to accurately design the electronic properties of these dots just by changing their size. However, to create functional devices, ...
Nanophysics
Nov 1, 2022
0
86
By measuring the electrical fields near swarming honeybees, researchers have discovered that insects can produce as much atmospheric electric charge as a thunderstorm cloud. This type of electricity helps shape weather events, ...
Plants & Animals
Oct 24, 2022
2
1881
If you often find yourself off by one when counting your socks after doing the laundry, you might want to sit down for this.
Nanophysics
Oct 13, 2022
0
74
Photocatalysts can use sunlight to produce hydrogen from water splitting and to produce solar fuels through CO2 reduction, but the essential mechanism, how photogenerated charges are involved in the photocatalysis processes, ...
Analytical Chemistry
Oct 12, 2022
0
26
From experience, driving through the city center takes longer than covering the same distance on an open country road. After all, you will encounter a lot of other road users, red lights, road works and traffic jams in the ...
Quantum Physics
Oct 12, 2022
0
245
A donut is not a breakfast roll. Those are two very clearly distinguishable objects: One has a hole, the other does not. In mathematics, the two shapes are said to be topologically different—you cannot transform one into ...
Condensed Matter
Oct 10, 2022
0
346
Writing in Nature Communications, a team led by Dr. Marcelo Lozada-Hidalgo based at the National Graphene Institute (NGI) used graphene as an electrode to measure both the electrical force applied on water molecules and the ...
Analytical Chemistry
Oct 7, 2022
0
260
Physicists at EPFL have developed a formulation to solve the longstanding problem of electron self-interaction when studying polarons—quasiparticles produced by electron-phonon interactions in materials. The work can lead ...
Quantum Physics
Oct 7, 2022
0
169
Historically, contact electrification (CE) was humanity's first and only source of electricity up until around the 18th century, yet its true nature is still elusive. Today it is considered a core component of technologies ...
General Physics
Oct 6, 2022
3
124
