Q
why thin film oxide can have good conductivity
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Thin film oxides can exhibit good conductivity due to a few key factors. Firstly, the reduced dimensionality in thin films often leads to quantum mechanical effects that can enhance electron mobility, a crucial parameter for conductivity. Secondly, defects and dopants, which are more prevalent in these thin structures, can introduce extra charge carriers (electrons or holes) that contribute significantly to the overall conductivity. Furthermore, the interface of thin film oxides with substrates or other materials can induce electronic reconstruction, potentially creating highly conductive pathways. The atomically smooth interfaces and engineered grain boundaries in thin films also help in minimizing scattering centers for charge carriers, thus increasing conductivity. By carefully controlling the deposition conditions, doping levels, and structural characteristics, thin film oxides can be engineered to exhibit high levels of conductivity, rivaling that of metals and semiconductors.
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