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2. Consider a wire ribbon made from a 2-dimensional conductor with reciprocal mass tensor with components bxx%=3, byy-4, bxy-byx=0 in units of inverse electron mass. Assume the wire extends mainly in the x-direction, but with some width in the y-direction. Assume the collision time is independent of direction and has a value of 2.7E-11 sec. Assume two electrons per atom with a square lattice of spacing 0.1 nm. a. What is the current density (magnitude and direction) when an electric field of 1 V/m is applied along the +x direction? b. What direction would you have to apply an electric field to make the current flow along the diagonal (x y) direction?

2. Consider a wire ribbon made from a 2-dimensional conductor with reciprocal mass tensor with components bxx%=3, byy-4, bxy-byx=0 in units of inverse electron mass. Assume the wire extends mainly in the x-direction, but with some width in the y-direction. Assume the collision time is independent of direction and has a value of 2.7E-11 sec. Assume two electrons per atom with a square lattice of spacing 0.1 nm. a. What is the current density (magnitude and direction) when an electric field of 1 V/m is applied along the +x direction? b. What direction would you have to apply an electric field to make the current flow along the diagonal (x y) direction?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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2. Consider a wire ribbon made from a 2-dimensional conductor with reciprocal mass tensor with components bx=3, byy-4, bxy=byx=0 in units of inverse electron mass. Assume the wire extends mainly in the x-direction, but with some width in the y-direction. Assume the collision time is independent of direction and has a value of 2.7E-11 sec. Assume two electrons per atom with a square lattice of spacing 0.1 nm. a. What is the current density (magnitude and direction) when an electric field of 1 V/m is applied along the +x direction? b. What direction would you have to apply an electric field to make the current flow along the diagonal (x = y) direction?
Transcribed Image Text:2. Consider a wire ribbon made from a 2-dimensional conductor with reciprocal mass tensor with components bx=3, byy-4, bxy=byx=0 in units of inverse electron mass. Assume the wire extends mainly in the x-direction, but with some width in the y-direction. Assume the collision time is independent of direction and has a value of 2.7E-11 sec. Assume two electrons per atom with a square lattice of spacing 0.1 nm. a. What is the current density (magnitude and direction) when an electric field of 1 V/m is applied along the +x direction? b. What direction would you have to apply an electric field to make the current flow along the diagonal (x = y) direction?
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