Physics for Scientists and Engineers, Vol. 1
Physics for Scientists and Engineers, Vol. 1
6th Edition
ISBN: 9781429201322
Author: Paul A. Tipler, Gene Mosca
Publisher: Macmillan Higher Education
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Chapter 38, Problem 39P
To determine

The maximum photon wavelength that will excite the electron across the energy gap.

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A semiconducting crystal 12mm long, 5mm wide and 1mm thick has a magnetic flux density of 0.5Wb/m2 applied from front to back perpendicular to largest faces. When a current of 20mA flows length wise through the specimen, the voltage measured across its width is found to be 37μV. What is the Hall coefficient of this semiconductor?
The bandgap of a bulk semiconductor is 1.55 eV and the effective mass of the exciton is 9.109×10-32 kg. What is the wavelength of the fluorescence photon in the bulk semiconductor?
Calculate the drift current in silicon at room temperature. If the intrinsic carrier concentration of (1x1016electron/m?) with the doping concentration of (2x1016atoms/m³) of the phosphorus and (1×1016atoms/m³) of Boron. Given the mobility for the electrons (0.15m2/V.s), the mobility for the holes (0.05m2/V.s), the electric field (100V/m), and the cross section area is 1mm?.
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