With some careful twisting and stacking, MIT physicists have revealed a new and exotic property in "magic-angle" graphene: superconductivity that can be turned on and off with an electric pulse, much like a light switch.
Nanophysics
Jan 30, 2023
0
1307
A pressing quest in the field of nanoelectronics is the search for a material that could replace silicon. Graphene has seemed promising for decades. But its potential has faltered along the way, due to damaging processing ...
Nanophysics
Dec 21, 2022
1
176
Superconductors are the key to lossless current flow. However, the realization of superconducting diodes has only recently become an important topic of fundamental research. An international research team involving the theoretical ...
Superconductivity
Aug 17, 2022
0
444
Shockwaves caused by asteroids colliding with Earth create materials with a range of complex carbon structures, which could be used for advancing future engineering applications, according to an international study led by ...
Analytical Chemistry
Jul 19, 2022
0
2374
When it comes to graphene, it appears that superconductivity runs in the family.
Superconductivity
Jul 8, 2022
2
1956
The ability to turn superconductivity off and on with a literal flip of a switch in so-called "magic-angle twisted graphene" has allowed engineers at Caltech to observe an unusual phenomenon that may shed new light on superconductivity ...
Superconductivity
Jul 8, 2022
0
2584
Have you ever wondered if bacteria make distinctive sounds? If we could listen to bacteria, we would be able to know whether they are alive or not. When bacteria are killed using an antibiotic, those sounds would stop—unless ...
Bio & Medicine
Apr 18, 2022
1
603
A nitrogen-doped, carbon-coated nickel anode can catalyze an essential reaction in hydrogen fuel cells at a fraction of the cost of the precious metals currently used, Cornell University researchers have found.
Materials Science
Mar 23, 2022
2
361
In recent years, physicists have discovered materials that are able to switch their electrical character from a metal to an insulator, and even to a superconductor, which is a material in a friction-free state that allows ...
Superconductivity
Mar 17, 2022
14
1497
When two sheets of the carbon nanomaterial graphene are stacked together at a particular angle with respect to each other, it gives rise to some fascinating physics. For instance, when this so-called "magic-angle graphene" ...
Nanophysics
Jan 6, 2022
1
2446
