5 Questions
Why are many conventional methods for measuring resistivity unsatisfactory for semiconductors?
Metal-semiconductor contacts are usually rectifying in nature
What is the primary advantage of the four probe method for measuring resistivity in semiconductors?
It overcomes the rectifying nature of metal-semiconductor contacts
What does the four probe method allow measurements of, in samples of various shapes?
Resistivity
What is one of the difficulties that the four probe method overcomes in resistivity measurements?
Injection of minority carriers by current carrying contacts
What type of conductivity can the four probe method conveniently and accurately measure in semiconductor crystals?
Conductivity of ingots or slices
Band Gap Energy Estimation in Ge Crystal Quiz: Test your knowledge on estimating band gap energy of Ge crystal using four probe technique and resistivity-temperature measurements. Explore the challenges and solutions in measuring resistivity in semiconductors.
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