3. (Based on Problem 4.49 from An Introduction to Semiconductor Devices, D. Neamen) A Si sample at 300 K, of width 0.01 cm, length 0.1 cm and thickness 1.0 x 10³ cm, is provided with contacts as required for Hall - effect measurements and is placed in a 1000 G magnetic field. When a potential of 15.0 V is applied along the length of the sample, a current of magnitude 0.75 mA is observed and a Hall voltage of - 5.8 mV is measured. Find, using the formulae provided on the Selected Formulae page on myCourselink; a. the resistance of the sample, b. the majority carrier concentration, c. the Hall constant and d. the mobility in m²/V-s of the majority carriers in the sample. e. Is this sample n or p-type? Doped with trivalent or pentavalent impurities?

3. (Based on Problem 4.49 from An Introduction to Semiconductor Devices, D. Neamen) A Si sample at 300 K, of width 0.01 cm, length 0.1 cm and thickness 1.0 x 10³ cm, is provided with contacts as required for Hall - effect measurements and is placed in a 1000 G magnetic field. When a potential of 15.0 V is applied along the length of the sample, a current of magnitude 0.75 mA is observed and a Hall voltage of - 5.8 mV is measured. Find, using the formulae provided on the Selected Formulae page on myCourselink; a. the resistance of the sample, b. the majority carrier concentration, c. the Hall constant and d. the mobility in m²/V-s of the majority carriers in the sample. e. Is this sample n or p-type? Doped with trivalent or pentavalent impurities?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter1: Atomic Structure

Section: Chapter Questions

Problem 6RQ: How many valence electrons are generally contained in materials used for insulators?

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