Carbyne – an unusual form of carbon

International team of researchers investigates optical band gap of carbon compound

13-Nov-2020 - Which photophysical properties does carbyne have? This was the subject of research carried out by scientists at FAU, the University of Alberta, Canada, and the Ecole Polytechnique Fédérale de Lausanne in Switzerland, which has led to a greater understanding of the properties of this unusual form ...

Tailor-made carbon helps pinpoint hereditary diseases and correct medication dosage

New method expands knowledge of carbon-based materials

18-Nov-2019 - Sensors manufactured with carbon-based materials can provide uniquely accurate and real-time information on hereditary diseases or the concentrations of drugs in the body. In addition to medicine, carbonaceous materials are used in batteries, solar cells and water purification. Other elements, ...

Looking at molecules from two sides with table-top femtosecond soft-X-rays

03-Jan-2019 - X-ray spectroscopy provides direct access into the nature of chemical bonds, from which the outcome of chemical reactions can be understood. For this, intense activities both at x-ray source development and implementation of new measurement methods is pursued by key research labs. Researchers at ...

Toxicity of carbon and silicon nanotubes and carbon nanofibers

20-Jul-2018 - Nanoparticles with a wide range of applying, including medicine, damage cells of microalgae Heterosigma akashivo badly. This algae species is widely spread in the Russian Far East marine area. The acute toxic effect exhibited at concentrations of 100 mg/l of carbon nanotubes (CNTs) and silicon ...

Only an atom thick

Measuring mechanical properties of 2D monolayer materials

19-Jan-2018 - The thinnest materials that can be produced today have the thickness of a single atom. These materials – known as two-dimensional materials – exhibit properties that are very different compared with their bulk three-dimensional counterparts. Until recently, 2D materials were produced and ...

New method for identifying carbon compounds derived from fossil fuels

15-Sep-2017 - Scientists at the National Institute of Standards and Technology (NIST) have developed a laboratory instrument that can measure how much of the carbon in many carbon-containing materials was derived from fossil fuels. This will open the way for new methods in the biofuels and bioplastics ...

Diamond friction

Simulation reveals previously unknown friction mechanisms at the molecular level

04-Sep-2017 - Diamond coatings help reduce friction and wear on tools, bearings, and seals. Lubricating diamond with water considerably lowers friction. The reasons for this are not yet fully understood. The Fraunhofer Institute for Material Mechanics IWM in Freiburg and the Physics Institute at the University ...

Signature analysis of single molecules using their noise signals

13-Jul-2017 - Noise is low-frequency random fluctuation that occurs in many systems, including electronics, environments, and organisms. Noise can obscure signals, so it is often removed from electronics and radio transmissions. The origin of noise in nanoscale electronics is currently of much interest, and ...

Physicists demonstrate method to study atoms critical to medicine

13-Oct-2016 - UCLA physicists have shown that shining multicolored laser light on rubidium atoms causes them to lose energy and cool to nearly absolute zero. This result suggests that atoms fundamental to chemistry, such as hydrogen and carbon, could also be cooled using similar lasers, an outcome that would ...

‘Detune’ a molecule

Rice University experiment shows how to soften atomic bonds in a buckyball

22-Jan-2014 - Rice University scientists have found they can control the bonds between atoms in a molecule. The molecule in question is carbon-60, also known as the buckminsterfullerene and the buckyball, discovered at Rice in 1985. The scientists led by Rice physicists Yajing Li and Douglas Natelson found ...