17th October 2019

four-point-probes
14

What is ohm cm?

The term ohms-cm (“ohms centimeter”) refers to the measurement of the “volume” resistivity (also known as “bulk” resistivity) of a semiconductive material. The value in ohms-cm is the inherent resistance of a given material regardless of the shape or size.

Hereof, what is the unit of volume resistivity?

Siemens per meter

What is the meaning of surface resistivity?

Surface resistivity refers to the resistance experienced by the leakage of current along the surface of coat/insulating material. It also can be defined as the electrical resistance that exists between two parallel electrodes in contact through the surface.
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