Digital transistors—assembled by the billions in today's computer chips—act as near-perfect electronic switches. In the "on" position, achieved when an above-threshold voltage is applied to the device, the transistor ...
General Physics
Jul 30, 2021
0
378
Researchers at ETH Zurich have succeeded in turning specially prepared graphene flakes either into insulators or into superconductors by applying an electric voltage. This technique even works locally, meaning that in the ...
Nanomaterials
May 5, 2021
0
364
Diodes are widely used electronic devices that act as one-way switches for current. A well-known example is the LED (light-emitting diode), but there is a special class of diodes designed to make use of the phenomenon known ...
Optics & Photonics
Apr 20, 2021
0
8
New FLEET research confirms the potential for topological materials to substantially reduce the energy consumed by computing.
Nanophysics
Apr 20, 2021
0
591
Materials science likes to take nature and the special properties of living beings that could potentially be transferred to materials as a model. A research team led by chemist Professor Andreas Walther of Johannes Gutenberg ...
Bio & Medicine
Mar 24, 2021
0
5
Life without electricity is something that is no longer imaginable. Whether it be a smartphone, hair-dryer or a ceiling lamp—the technical accomplishments we hold dear all require electricity. Although every child at school ...
Education
Dec 18, 2020
8
3
Electrochemistry is playing an increasingly important role: Whether it is fuel cells, electrolysis or chemical energy storage, chemical reactions controlled by electric current are used. The decisive factor in all these applications ...
Materials Science
Sep 23, 2020
0
32
N95 masks are a critical part of the personal protective equipment used by front-line health care workers. These masks achieve 95% efficiency at filtering out tiny 0.3-micron particles, while maintaining reasonable breathability, ...
Soft Matter
Sep 8, 2020
0
298
Ultra-low voltage electricity is effective at killing bacteria because it causes membranes that surround bacteria to leak, according to a new study by University of Arkansas researchers. The research advances work to fight ...
Cell & Microbiology
Aug 17, 2020
0
9
NUS physicists have demonstrated the control of magnetism in a magnetic semiconductor via electrical means, paving the way for novel spintronic devices.
General Physics
Aug 6, 2020
0
41
