Podcast
Questions and Answers
What is the classification of a material whose conductivity lies between that of conductors and insulators?
What is the classification of a material whose conductivity lies between that of conductors and insulators?
- Superconductor
- Insulator
- Conductor
- Semiconductor (correct)
What type of compound semiconductor can be formed by combining an element from group III and an element from group V?
What type of compound semiconductor can be formed by combining an element from group III and an element from group V?
- Ternary compound
- Pentinary compound
- Quaternary compound
- Binary compound (correct)
What is the main advantage of compound semiconductor materials over elemental semiconductor materials?
What is the main advantage of compound semiconductor materials over elemental semiconductor materials?
- Higher power
- Higher frequency
- Better optical features
- All of the above (correct)
What is the fraction of the element's atomic concentration in a ternary compound semiconductor, Alx Ga1-x As?
What is the fraction of the element's atomic concentration in a ternary compound semiconductor, Alx Ga1-x As?
Which of the following elements can be used to form an elemental semiconductor material?
Which of the following elements can be used to form an elemental semiconductor material?
What happens to valence electrons at temperatures greater than 0 K?
What happens to valence electrons at temperatures greater than 0 K?
What is the term for the +ve charge empty state created in the valence band when a valence electron jumps to the conduction band?
What is the term for the +ve charge empty state created in the valence band when a valence electron jumps to the conduction band?
What is the characteristic of an intrinsic semiconductor?
What is the characteristic of an intrinsic semiconductor?
What is the relationship between the number of electrons in the conduction band and the number of holes in the valence band in an intrinsic semiconductor?
What is the relationship between the number of electrons in the conduction band and the number of holes in the valence band in an intrinsic semiconductor?
What is the unit of the coefficient B in the intrinsic carrier concentration equation?
What is the unit of the coefficient B in the intrinsic carrier concentration equation?
What is the symbol for the intrinsic carrier concentration in an intrinsic semiconductor?
What is the symbol for the intrinsic carrier concentration in an intrinsic semiconductor?
What is the number of quantum states in the valence band and conduction band in a semiconductor?
What is the number of quantum states in the valence band and conduction band in a semiconductor?
What is the difference between the lower energy of the conduction band and the upper energy of the valence band called?
What is the difference between the lower energy of the conduction band and the upper energy of the valence band called?
What is the state of the 4N states in the valence band at 0 K?
What is the state of the 4N states in the valence band at 0 K?
What type of bonding does Si form with another 4 Si atoms?
What type of bonding does Si form with another 4 Si atoms?
In an isolated Si atom, how many electrons are tightly bound to the nucleus?
In an isolated Si atom, how many electrons are tightly bound to the nucleus?
What is the result of the interaction of electrons in the n = 2 shell when atoms get closer?
What is the result of the interaction of electrons in the n = 2 shell when atoms get closer?
