Homework Help is Here – Start Your Trial Now!
Science
Advanced Physics
For Ge semiconductor, assume the Fermi energy level is 0.1 ev below the conduction band energy Ec. Let the absolute temperature T for items i and ii be 200 K. i. Find the number of quantum states between Ec and Ec + 2. x kbT ii. Determine the probability of a state being empty of an electron at Ec+2. x kbT. Find the temperature at which there is an electron at the ii. state Ec+0.2 x kbT with probability 30% Ronont itom ii bu ucing the Reltzman aprevi mation

For Ge semiconductor, assume the Fermi energy level is 0.1 ev below the conduction band energy Ec. Let the absolute temperature T for items i and ii be 200 K. i. Find the number of quantum states between Ec and Ec + 2. x kbT ii. Determine the probability of a state being empty of an electron at Ec+2. x kbT. Find the temperature at which there is an electron at the ii. state Ec+0.2 x kbT with probability 30% Ronont itom ii bu ucing the Reltzman aprevi mation

icon
Related questions
Question
For Ge semiconductor, assume the Fermi energy level is 0.1 ev below the conduction band energy Ec. Let the absolute temperature T for items i and ii be 200 K. i. Find the number of quantum states between Ec and Ec + 2. x kbT Determine the probability of a state being empty of an ii. electron at Ec+2. x kbT. ii. Find the temperature at which there is an electron at the state Ec+0.2 x kbT with probability 30% iv. Repeat item ii by using the Boltzmann approximation rather than the Fermi-Dirac distribution Find the difference in temperature between items i and v. iv above and express this difference as percentage |
Transcribed Image Text:For Ge semiconductor, assume the Fermi energy level is 0.1 ev below the conduction band energy Ec. Let the absolute temperature T for items i and ii be 200 K. i. Find the number of quantum states between Ec and Ec + 2. x kbT Determine the probability of a state being empty of an ii. electron at Ec+2. x kbT. ii. Find the temperature at which there is an electron at the state Ec+0.2 x kbT with probability 30% iv. Repeat item ii by using the Boltzmann approximation rather than the Fermi-Dirac distribution Find the difference in temperature between items i and v. iv above and express this difference as percentage |
Expert Solution
steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer