Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
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Question
Chapter 37, Problem 12FTD
To determine
The dependence of the conductivity of an undoped semiconductor on temperature.
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Chapter 37 Solutions
Essential University Physics (3rd Edition)
Ch. 37.1 - Prob. 37.1GICh. 37.2 - If a scientist uses microwave technology to study...Ch. 37.3 - Prob. 37.3GICh. 37 - If you push two atoms together to form a molecule,...Ch. 37 - Prob. 2FTDCh. 37 - Prob. 3FTDCh. 37 - Does it make sense to distinguish individual NaCl...Ch. 37 - Prob. 5FTDCh. 37 - Prob. 6FTDCh. 37 - Radio astronomers have discovered many complex...
Ch. 37 - Prob. 8FTDCh. 37 - Prob. 9FTDCh. 37 - Prob. 10FTDCh. 37 - Prob. 11FTDCh. 37 - Prob. 12FTDCh. 37 - Prob. 13FTDCh. 37 - Prob. 14FTDCh. 37 - Prob. 15FTDCh. 37 - Prob. 16ECh. 37 - Prob. 17ECh. 37 - Prob. 18ECh. 37 - Prob. 19ECh. 37 - Prob. 20ECh. 37 - Prob. 21ECh. 37 - Prob. 22ECh. 37 - Prob. 23ECh. 37 - Prob. 24ECh. 37 - Prob. 25ECh. 37 - Prob. 26ECh. 37 - Prob. 27ECh. 37 - Prob. 28ECh. 37 - Prob. 29PCh. 37 - Prob. 30PCh. 37 - Prob. 31PCh. 37 - Prob. 32PCh. 37 - Prob. 33PCh. 37 - Prob. 34PCh. 37 - Prob. 35PCh. 37 - Prob. 36PCh. 37 - Prob. 37PCh. 37 - Prob. 38PCh. 37 - Prob. 39PCh. 37 - Prob. 40PCh. 37 - Prob. 41PCh. 37 - Prob. 42PCh. 37 - Prob. 43PCh. 37 - Prob. 44PCh. 37 - Prob. 45PCh. 37 - Prob. 46PCh. 37 - Prob. 47PCh. 37 - Prob. 48PCh. 37 - Prob. 49PCh. 37 - Prob. 50PCh. 37 - Prob. 51PCh. 37 - Prob. 52PCh. 37 - Prob. 53PCh. 37 - Prob. 54PCh. 37 - Prob. 55PCh. 37 - The transition from the ground state to the first...Ch. 37 - Prob. 57PCh. 37 - Prob. 58PCh. 37 - Youre troubled that Example 37.1 neglects the mass...Ch. 37 - Prob. 60PCh. 37 - The Madelung constant (Section 37.3) is...Ch. 37 - Prob. 62PCh. 37 - Prob. 63PCh. 37 - Prob. 64PCh. 37 - Prob. 65PCh. 37 - Prob. 66PCh. 37 - Prob. 67PCh. 37 - Prob. 68PPCh. 37 - Prob. 69PPCh. 37 - Prob. 70PPCh. 37 - Prob. 71PP
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- What is the main difference between an insulator and a semiconductor?arrow_forwardIs it feasible to describe the distinction between a conductor and an insulator using a semiconductor as an example? Why not use a graph to explain the arguments you're making?arrow_forwardPlot the temperature dependence of the depletion width of the semiconductor-metal junction whose capacitance-voltage data at room temperature is given below. The dielectric constant of the SC material is 10. Use data extrapolation if you feel necessary. Clearly state your assumptions. 75 70 65 60 CAPACITANCE 55 (pF) 50 45 40 35 REVERSE BIAS FORWARD BIAS 30 -6 -4 -3 -2 -1 2 VOLTAGE (M)arrow_forward
- Is it possible to explain the difference between a conductor and an insulator in terms of a semiconductor? Why not illustrate your points with a graph?arrow_forwardIn a certain semiconductor, the valence band can be approximated by the function E(k) = Eo ak² and the conduction band can be described by the function E(k)= E₁ + 3k². Here E(k) is the electron energy and k is the wavevector. Plot E(k) for the two bands. What is the bandgap of this semiconductor? Is this a direct or indirect bandgap semiconductor?arrow_forwardA typical television remote control uses signal from an infrared LED. If the infrared light has a wavelength of 900 nm,(a). What is the energy band gap of the semiconductor in the LED? (b). What is the working principle of a semiconductor LED?arrow_forward
- Doping is necessary in order to enhance the conduction ability of a semiconductor. Support this statement by giving suitable arguments?arrow_forwardThe energy gaps Eg for the semiconductors silicon and germanium are, respectively, 1.12 and 0.67 eV. Which of the following statements, if any, are true? (a) Both substances have the same number density of charge carriers at room temperature. (b) At room temperature, germanium has a greater number density of charge carriers than silicon. (c) Both substances have a greater number density of conduction electrons than holes. (d) For each substance, the number density of electrons equals that of holes.arrow_forwardDetermine the thermal equilibrium electron and hole concentrations in a compensated n- type semiconductor. Consider a silicon semiconductor at T = 300°K in which Na = 1016 cm³ and Na = 3 x 1015 cm. Assume that n; =1.5 x 1010 cm3.arrow_forward
- Question 2: а. Find the conductivity of an intrinsic semiconductor which have the following values: µe = (0 + 0.25) m²/V.s; µp = (0+ 0.035) m²/V.s; n¡ = (0 + 1.55) × 10*m³.arrow_forwardIs it possible to explain the difference between a conductor and an insulator by referring to a semiconductor? A graph would be a great way to illustrate your arguments.arrow_forwardSurface recombination in semiconductors is often undesirable for many device applications. Please useyour knowledge of semiconductor to describe why? Also what might be the strategy to control andeliminate surface recombination?arrow_forward
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