Science news articles about 'graphite powder'

... -- a low-cost insulator made by oxidizing graphite powder -- into graphene, a hotly studied material ... says. When using a light pulse, photothermal heating not only reduces the graphite oxide, it also fuses the insulating polymer with the graphene ...

... . The research team tested two types of graphene oxide – one made from silicon carbide, the other with graphite powder. "I think there are three things ...

... -atomic-layered material made by reacting graphite powders with strong oxidizing agents, has attracted ... for conducting materials, they need to be removed from the material. Graphite oxide, which turns into conducting graphene through ...

... of water and methanol, and then introduced bulk graphite powder. The pyrene part of PCA is mostly hydrophobic, and clings to the surface of the also-hydrophobic graphite. The mixture is exposed to ultrasonic sound, which vibrates ...

... used for geothermal drilling. They are created by a sintering process. Graphite powder is applied to the leading face of a cutter ... square inch. When heated to a transition temperature, the graphite converts a to a 1-millimeter layer of synthetic ...

A recent discovery in a study of room-temperature superconductivity, if borne out, could make the dream of super-efficient long-distance electricity transmission and levitating trains a little closer ...

... oxide is basically graphene sheets decorated with oxygen-containing groups. It is made from inexpensive graphite powders by chemical reactions known for more than a century ...

... team combine minute quantities of europium oxide with aluminum oxide, barium oxide and graphite powders. They then heat the powdered materials at 1,450 degrees Celsius (2,642 degrees ...