These are «holes» in atomic arrays
where oxygen ions should exist, but don't.
Not exact matches
A good example of this is the uranyl, -LCB- UO2 -RCB- 2 +
ion which is widely prevalent in the environment naturally and also nuclear waste
where the two
oxygen atoms reside opposite each other and are bonded very strongly to the uranium.
Terada told Space.com that the evidence for
where the
ions came from was the isotope
oxygen - 16.
Another is poor in
oxygen - 16, and it wasn't clear
where that came from, until the team looked at the data and compared this component to the
ions in Earth's atmosphere.
During use, lithium
ions stored in the graphite flow to the lithium - based electrode,
where they form chemical bonds with
oxygen atoms, a reaction that generates an electric current.
The molecular structure of the active material in the battery electrodes is composed of nickel (Ni), manganese (Mn) and
oxygen (O)--
where the structure is a relatively rigid crystal lattice into which the lithium
ions, as mobile charge carriers, can be inserted or extracted.
The etching is done in a plasma chamber
where the diamond is bombarded by argon and
oxygen ions, ripping the carbon atoms out of the diamond crystal.