University Physics with Modern Physics, Volume 1 (Chs. 1-20) (14th Edition)
14th Edition
ISBN: 9780133978049
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 42, Problem 42.20DQ
To determine
Whether silicon and germanium become good insulators at very low temperature and good conductors at very high temperatures.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Q2. Consider the general form of the frequency dependent relative permittivity of a medium: €,(w) = 1+ Etiw
Ng²,
Tmeo
(a) How does the above expression get modified if we assume that all the electrons have same natural frequency of
oscillation?
(b) Under the assumption made in part (a) and considering just one molecule per volume, plot the real and imaginary
parts of €, as functions of frequency of the applied electric field.
(c) Show that under certain assumption, the relative permittivity of a metal can be written as:
e, (w) = (1–
(d) What is the physical interpretation wp for a metal?
Is 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 your points?
Is 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?
Chapter 42 Solutions
University Physics with Modern Physics, Volume 1 (Chs. 1-20) (14th Edition)
Ch. 42.1 - If electrons obeyed the exclusion principle but...Ch. 42.2 - Prob. 42.2TYUCh. 42.3 - Prob. 42.3TYUCh. 42.4 - One type of thermometer works by measuring the...Ch. 42.5 - Prob. 42.5TYUCh. 42.6 - Prob. 42.6TYUCh. 42.7 - Suppose a negative charge is placed on the gate of...Ch. 42 - Van der Waals bonds occur in many molecules, but...Ch. 42 - Prob. 42.2DQCh. 42 - The H2+ molecule consists of two hydrogen nuclei...
Ch. 42 - The moment of inertia for an axis through the...Ch. 42 - Prob. 42.5DQCh. 42 - Prob. 42.6DQCh. 42 - Prob. 42.7DQCh. 42 - The air you are breathing contains primarily...Ch. 42 - Prob. 42.9DQCh. 42 - Prob. 42.10DQCh. 42 - What factors determine whether a material is a...Ch. 42 - Prob. 42.12DQCh. 42 - Prob. 42.13DQCh. 42 - Prob. 42.14DQCh. 42 - Prob. 42.15DQCh. 42 - Prob. 42.16DQCh. 42 - Prob. 42.17DQCh. 42 - Prob. 42.18DQCh. 42 - Prob. 42.19DQCh. 42 - Prob. 42.20DQCh. 42 - Prob. 42.21DQCh. 42 - Prob. 42.22DQCh. 42 - Prob. 42.23DQCh. 42 - Prob. 42.24DQCh. 42 - If the energy of the H2 covalent bond is 4.48 eV,...Ch. 42 - An Ionic Bond, (a) Calculate the electric...Ch. 42 - Prob. 42.3ECh. 42 - Prob. 42.4ECh. 42 - Prob. 42.5ECh. 42 - Prob. 42.6ECh. 42 - Prob. 42.7ECh. 42 - Two atoms of cesium (Cs) can form a Cs2 molecule....Ch. 42 - Prob. 42.9ECh. 42 - Prob. 42.10ECh. 42 - A lithium atom has mass 1.17 1026 kg, and a...Ch. 42 - Prob. 42.12ECh. 42 - When a hypothetical diatomic molecule having atoms...Ch. 42 - The vibrational and rotational energies of the CO...Ch. 42 - Prob. 42.15ECh. 42 - Prob. 42.16ECh. 42 - Prob. 42.17ECh. 42 - Prob. 42.18ECh. 42 - Prob. 42.19ECh. 42 - Prob. 42.20ECh. 42 - Prob. 42.21ECh. 42 - Prob. 42.22ECh. 42 - Prob. 42.23ECh. 42 - Prob. 42.24ECh. 42 - Prob. 42.25ECh. 42 - Prob. 42.26ECh. 42 - Prob. 42.27ECh. 42 - Prob. 42.28ECh. 42 - Prob. 42.29ECh. 42 - Prob. 42.30ECh. 42 - Prob. 42.31ECh. 42 - Prob. 42.32ECh. 42 - Prob. 42.33PCh. 42 - Prob. 42.34PCh. 42 - Prob. 42.35PCh. 42 - The binding energy of a potassium chloride...Ch. 42 - (a) For the sodium chloride molecule (NaCl)...Ch. 42 - Prob. 42.38PCh. 42 - Prob. 42.39PCh. 42 - Prob. 42.40PCh. 42 - Prob. 42.41PCh. 42 - Prob. 42.42PCh. 42 - Prob. 42.43PCh. 42 - Prob. 42.44PCh. 42 - Prob. 42.45PCh. 42 - Prob. 42.46PCh. 42 - Prob. 42.47PCh. 42 - Prob. 42.48PCh. 42 - Prob. 42.49PCh. 42 - Prob. 42.50PCh. 42 - Prob. 42.51PCh. 42 - Prob. 42.52PCh. 42 - Prob. 42.53CPCh. 42 - Prob. 42.54CPCh. 42 - Prob. 42.55CPCh. 42 - Prob. 42.56PPCh. 42 - Prob. 42.57PPCh. 42 - Prob. 42.58PP
Knowledge Booster
Similar questions
- Briefly explain the opacity and translucency in insulators.arrow_forwardX- Hall Effect demonstrates that it is the electrons that are free to move. Y- Germanium and Selenium are materials that are intermediate between insulators and conductors. O X is true and Y is false O X is false and Y is true O X and Y are both true O X and Y are both falsearrow_forwardConsider a hypothetical element that forms a solid with bands as shown in the Figure. A. Suppose that the isolated atom has configuration 1s22s2. If its equilibrium separation is r0= a, is the solid a conductor or an insulator? What if r0= b? Answer both questions for the case that the atomic configuration is B. 1s22s22p1 and C. 1s22s22p6.arrow_forward
- Use Gauss's Law and basic surface and volume integrals to determine the electric field of a cylindrical semiconductor (radius=2 m, length = 1 m. permittivity or epsilon = 3 epsilon free space ) that has a net charge of 20C. What is the electric field at all points in space caused by this charge distribution? 1.Inside the semi conductor. 2.Outside the semi-conductor in the r direction. 3.Outside the semi conductor in the l direction. 4.Outside the semiconductor in the Theta direction. could you type answers out.arrow_forward1. Given the following properties for Germanium – Diamond cubic structure (a = 0.5658 nm; Intrinsic carrier density at 300K (n; = 2.4 x 1013 cm-3) Electron mobility (He = 3900 cm²/v-s) Hole mobility (uh = 1900 cm?/v-s) %3D %3D Calculate the following - a. The ratio of the intrinsic carrier density to the atomic density b. The conductivity of intrinsic Ge at 300Karrow_forwardSilicon crystal has a saturated drift velocity, which limits the applications in power devices. Besides, the drift velocity of GaAs crystal decreases with the increase in the applied electric field. In other words, GaAs materials are not suitable for the applications of power devices. Can you explain the reason?arrow_forward
- A sample of copper has a mass of 10.68 g when measured in air. It has a mass of 9.47 g when measured in water. Answer these three questions: How many atoms are in the sample? What is the simple volume of the space including and surrounding each atom? Assume the atoms are evenly distributed throughout the sample. That is no FCC, BCC, or HCP crystal structure. What is the diameter of each atom?arrow_forwardUsing hand-drawn schematic diagrams, show curves that illustrate the temperature dependence of the electrical resistivity for the following types of materials: metals, semiconductors, and superconductors. Carefully diagram each curve, and labelling the plot axes.arrow_forwardA student asserts that silicon and germanium become good insulators at very low temperatures and good conductors at very high temperatures. Do you agree? Explain your reasoning.arrow_forward
- 6. In a regular FCC, determine number of atoms per unit area in (1 1 0) plane 7. In a BCC unit cell, determine number of atoms per unit area in (1 1 1) plane 8. Assuming that each Au atom donates one conduction electron, calculate the drift mobility and drift velocity of the conduction electrons in gold at 20° C if the applied electric field is 200 V/cm. What is the mean free path of the conduction electrons if their mean speed is 1.4 x 10°m s ? Resistivity of pure gold at 0°C (273 K) is po= 22.8 n2 m. a, for Au from Table 2.1 is 1/251 K'. Given that Au is FCC with lattice parameter of 0.407nm. 9. Na is a monovalent metal (BCC) with a lattice parameter of 0.43nm. The drift mobility of clectrons in Na is 53 cm V's'. Calculate the electrical conductivity of Na and the mean scattering time of conduction electrons. 10. Determ ine Miller Indices for the following: A 1/2arrow_forwardP-type semi conducting material is Select one: a. holes are majority charge carriers and it is due to addition of trivalent impurities. O b. electrons are majority charge carriers and it is due to addition of trivalent impurities. O c. holes are minority charge carriers and it is due to addition of pentavalent impurities. Od. electrons are majority charge carriers and it is due to addition of pentavalent impurities.arrow_forwardQ2. Transistors are manufactured by doping semiconductors. The diffusion coefficient of phosphorus in Si is D = 6.5 x 10-11 mm2/s at a temperature of 950°C. Assume the source provides a surface concentration of 1020 atoms/cm3 and the diffusion time is one hour. Assume that the silicon wafer initially contains no phosphorus. Calculate the depth at which the concentration of phosphorus will be 1018 atoms/cm3.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON