Sentences with phrase «carbon vapor deposition»
According to Charlier, the diamonds form at a rate 1000 times faster than observed for carbon vapor deposition.
http://www.sciencemag.org/ Not exact matches
The team integrated a three - dimensional array of carbon nanotubes into a microfluidic device by using chemical vapor deposition and photolithography to grow and pattern carbon nanotubes onto silicon wafers.
The materials were mixed and the water evaporated; the resulting pellets were pressed into a steel die and then heated in a chemical vapor deposition furnace, which turned the available carbon into graphene.
I guess I am surprised that with better understanding of the importance of water vapor feedback, sulfate aerosols, black carbon aerosols, more rapid than expected declines in sea ice and attendant decreases in albedo, effects of the deposition of soot and dust on snow and ice decreasing albedo, and a recognition of the importance of GHGs that were probably not considered 30 years ago, that the sensitivity has changed so little over time.
Combinatorial depositions with intentional and well - controlled continuous gradients in process parameters (composition, temperature, film thickness, nanoparticle size etc): wide range of thin film chemistries in separate chambers (metals, oxides, nitrides, sulfides); physical vapor deposition techniques (sputtering, pulsed laser deposition); different substrates and supports (glass, metals, glassy carbon, etc).
I guess I am surprised that with better understanding of the importance of water vapor feedback, sulfate aerosols, black carbon aerosols, more rapid than expected declines in sea ice and attendant decreases in albedo, effects of the deposition of soot and dust on snow and ice decreasing albedo, and a recognition of the importance of GHGs that were probably not considered 30 years ago, that the sensitivity has changed so little over time.
Another production method is called chemical vapor deposition, or CVD, and that's where scientists take a gas of hydrocarbons along with a metal catalyst and are able to remove the hydrogen atoms from the hydrocarbon, then keep only the carbon atoms and then hopefully these carbon atoms kind of arrange themselves side by side into this graphene lattice form.