Frozen light in graphene

Basis for extremely sensitive infrared and terahertz detectors much smaller than existing ones, with similar absorption efficiency

24-Feb-2022 - Scientists from University of Regensburg, Massachusetts Institute of Technology, Moscow institute of Physics and Technology, and University of Kansas have discovered abnormally strong light absorption in graphene. The effect arises from the conversion of ordinary electromagnetic waves into ...

Defective graphene has high electrocatalytic activity

Study of the kinetics of electron transfer on the surface of graphene with various defects

12-May-2020 - Scientists from the Moscow Institute of Physics and Technology, Skoltech, and the Russian Academy of Sciences Joint Institute for High Temperatures have conducted a theoretical study of the effects of defects in graphene on electron transfer at the graphene-solution interface. Their calculations ...

Search for new superconducting hydrides is going to get easier

Scientists find a rule to predict new superconducting metal hydrides

20-Apr-2020 - The search for coveted high-temperature superconductors is going to get easier with a new 'law within a law' discovered by Skoltech and MIPT researchers and their colleagues, who figured out a link between an element's position in the Periodic Table and its potential to form a high-temperature ...

Graphene heterostructures with black phosphorus, arsenic enable new infrared detectors

Sensors could replace any far-infrared and terahertz radiation detectors

16-Apr-2020 - MIPT scientists and their colleagues from Japan and the U.S. have calculated the parameters of photodetectors comprised by layers of graphene and a combination of black phosphorus and black arsenic. These sensors are able to detect radiation with energy less than the band gap of the constituent ...

Sublimation, not melting: Graphene surprises researchers again

07-Jan-2020 - Physicists from the Moscow Institute of Physics and Technology and the Institute for High Pressure Physics of the Russian Academy of Sciences have used computer modeling to refine the melting curve of graphite that has been studied for over 100 years, with inconsistent findings. They also found ...

Thorium superconductivity: Scientists discover a new high-temperature superconductor

11-Nov-2019 - A group of scientists led by Artem Oganov, Professor at Skoltech and MIPT, and Dr. Ivan Troyan at the Institute of Crystallography of RAS have succeeded in synthesizing thorium decahydride (ThH10), a new superconducting material with a very high critical temperature (161 K). A truly remarkable ...

Researchers synthesize 'impossible' superconductor

04-Oct-2019 - Researchers from the U.S., Russia, and China have bent the rules of classical chemistry and synthesized a "forbidden" compound of cerium and hydrogen -- CeH9 -- which exhibits superconductivity at a relatively low pressure of 1 million atmospheres. Superconductors are materials capable of ...

Upgrading cheap diode laser for use in precise measurements

06-Nov-2018 - Russian physicists have developed a method for drastically narrowing the emission spectrum of an ordinary diode laser, like that in a laser pointer. This makes their device a useful replacement for the more complex and expensive single-frequency lasers, enabling the creation of compact chemical ...

New properties of uranium compounds

17-Oct-2018 - Scientists from Russia, China, and the United States predicted and experimentally identified new uranium hydrides, predicting superconductivity for some of them.Of particular interest to scientists are the so-called "high-temperature superconductors" that boast superconductivity at less extreme ...

Researchers couple artificial atom to acoustic resonator

13-Jul-2018 - Researchers from Russia and Britain have demonstrated an artificial quantum system, in which a quantum bit interacts with an acoustic resonator in the quantum regime. This allows the familiar effects of quantum optics to be studied on acoustic waves and enables an alternative approach to quantum ...