I have prepared a series of nanomaterials by co-precipitation under different pH value and heat treatment temperature. I want to find a reasonable explanation about the change of the material resistance. That is to say that what effect does precipitation pH and heat treatment temperature have on the electrical resistance of the material ? You had better offer the related literatures. Thanks.
The variation of pH values and temperature will effect the grain size and its shape. Further, those factors may have significant effect on the presence of defects, like point defects. Therefore, you have to study the effect of pH values and temperatures on grain size and its shape, presence of defects and other related factors at the atomic level, which in turn cause materials to have fluctuating electrical resistance behavior.
The variation of pH values and temperature will effect the grain size and its shape. Further, those factors may have significant effect on the presence of defects, like point defects. Therefore, you have to study the effect of pH values and temperatures on grain size and its shape, presence of defects and other related factors at the atomic level, which in turn cause materials to have fluctuating electrical resistance behavior.
dear Li Xue,
I agree with Mohammed M. Obeid about the effect of ph and temperature on grain size and i suggest also to study the effect of porosity on the electrical resistance.
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