Podcast
Questions and Answers
What is the energy required to take an electron from the Fermi level to escape to infinity and arrive with zero energy?
What is the energy required to take an electron from the Fermi level to escape to infinity and arrive with zero energy?
- Conduction band energy
- Fermi energy
- Electron affinity
- Work function (correct)
Which type of semiconductor has the Fermi level close to the conduction band?
Which type of semiconductor has the Fermi level close to the conduction band?
- Intrinsic semiconductor
- p-type semiconductor
- Insulator
- n-type semiconductor (correct)
What is the energy difference between the conduction band minimum and the vacuum energy level?
What is the energy difference between the conduction band minimum and the vacuum energy level?
- Valence band energy
- Fermi energy
- Electron affinity (correct)
- Work function
What is the purpose of a Schottky diode when used as a rectifier contact?
What is the purpose of a Schottky diode when used as a rectifier contact?
What is represented by the symbol Фm?
What is represented by the symbol Фm?
Which type of semiconductors can form a Schottky contact?
Which type of semiconductors can form a Schottky contact?
What is the result of transferring free electrons from the n-type semiconductor into metal near the contact?
What is the result of transferring free electrons from the n-type semiconductor into metal near the contact?
What happens to the potential barrier ΦB when the metal is forward biased (VA > 0)?
What happens to the potential barrier ΦB when the metal is forward biased (VA > 0)?
What is the outcome when the applied voltage is continuously increased in a forward biasing condition?
What is the outcome when the applied voltage is continuously increased in a forward biasing condition?
Why is a positive current generated across the MS junction in a forward biasing condition?
Why is a positive current generated across the MS junction in a forward biasing condition?
What is the relationship between the Fermi energy of metal and the Fermi energy in the semiconductor under forward biasing?
What is the relationship between the Fermi energy of metal and the Fermi energy in the semiconductor under forward biasing?
Which of the following is NOT a result of forward biasing in a metal-semiconductor junction?
Which of the following is NOT a result of forward biasing in a metal-semiconductor junction?
What is the Schottky barrier height defined as?
What is the Schottky barrier height defined as?
What occurs when a metal and a semiconductor are brought together under equilibrium conditions?
What occurs when a metal and a semiconductor are brought together under equilibrium conditions?
What is the depletion layer formed at the junction of a metal and n-type semiconductor?
What is the depletion layer formed at the junction of a metal and n-type semiconductor?
What is the relationship between the work function of semiconductors and the electron affinity?
What is the relationship between the work function of semiconductors and the electron affinity?
What is the result of aligning the Fermi energy of the metal and the semiconductor?
What is the result of aligning the Fermi energy of the metal and the semiconductor?
What is the energy band diagram like when a metal and n-type semiconductor are brought together?
What is the energy band diagram like when a metal and n-type semiconductor are brought together?
