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زیست شناسی::
استوکیومتری
This is based on the principle that changes in electric conductivity are caused by changes in the stoichiometry of oxides, variations of which are often observed for transition metals.
A change in the oxygen potential in the surrounding atmosphere causes a change in the stoichiometry of the oxide particles, which means that the oxygen/metal ratio is changed.
It is important that this process is reversible, as the oxides are selected to show a large change in their electric conductivity as they change stoichiometry.
Due to the rapid evaporation in the high-power laser pulse, even the stoichiometry of a complex mixed target is preserved in the vapor phase.
An explanation for the described phenomena is found in the ability of these oxides to change stoichiometry.
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