A semiconductor laser has a peak emission wavelength of 1.55 um. Find its energy gap in eV. (A) What is types the interaction between material and light write with your drawing?

Q: Discuss the electrical behavior of conductors, insulators and semiconductors in terms of energy band…

A: Energy band theory: Mainly, this theory gives by Bohr's "according to energy band theory each and…

Q: how does the band structure of a solid makes it an insulator, semiconductor or conductor?

A: Explanation: Conductor: The conductor is a material that contains free movable charges which conduct…

Q: A Hall probe made from a semiconductor in the form of a cube of side 1 mm is being designed to…

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Q: The energy gap for silicon at 300 K is 1.14 eV. (a) Find the lowest-frequency photon that can…

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Q: Si and Ge have same lattice structure. Why is C insulator while Si and Ge intrinsic semiconductors?

A: The valence electron of three given elements are four but the energy gap value are different.

Q: Discuss the forward region, reverse region, breakdown region and knee voltage of silicone diode…

A: SOlution: Discuss the forward region, reverse region, breakdown region and knee voltage

Q: Show that the expression relating the drift current and the electric field in a semiconductor…

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Q: Calculate the wavelength of radiation in (um) emitted by an LED made up of a semiconducting material…

A: The bandgap energy is given as E=1.87434×10-20 J

Q: What should be the width of the band gap of the semiconductor from which the LED that glows green is…

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Q: What semiconductor is frequently used for its high reliability at high speed? Explain why.

A: A semiconductor is an electronic device that is based on the electronic properties of semiconductor…

Q: if the energy gap is between( 1.2 and 5) eV this is a

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Q: If the ratio of mopility of electrons to mopility of holes is 3:1 and the condicutivity of impure…

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Q: What is maximum power rating of p-n junction diode?

A: The maximum power rating of p-n junction diode is called maximum power of p-n junction diode to…

Q: Would you expect superconductivity from a "glass" with no or little crystal structure? If not, why…

A: Now from the definition of superconductivity when the resistivity of a material becomes suddenly…

Q: How does a semiconductor differ from a conductor or an insulator?

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Q: plot the spectrum for full Vm wave rectifier and find the band width 0.2 C14

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Q: How is p-type semiconductor different from n-type?

A: When a five-composite atom of pure silicon crystal is inserted as an adulterant, then the four…

Q: The longest wavelength of radiation absorbed by a certain semiconductor is 0.512 μm. Calculate the…

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Q: What is the critical temperature for a superconductor?

A: The conductors are the material which can flow the electric current easily through them.

Q: How does the bandgap differ in metals, semiconductors, and insulators?

A: The bandgap is the difference between the energies of the conduction band and valance band. The…

Q: determine the doubling temperature for list of semiconductor material shown in the table below.…

A: Step 1 Ans (a) Band energy gap of silicon at 273K Eg = Eg0 − βT  -----1) 1.11 = 1.21 − 3.6×10−4T T…

Q: Explain Ohm’s law and show it graphically. Does Ohm’s law hold for semiconductor and with varying…

A: From Ohm’s law: The above expressions clearly explain that the potential is directly proportional…

Q: A crystal has some negative ion vacancies, each containing one electron. Treat these electrons as…

A: Given A crystal has some negative ion vacancies, each containing one electron We have ask to…

Q: The active volume of a laser constructed of the semiconductor GaAlAs is only 200 mm3 (smaller than a…

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Q: A potassium chloride crystal has an energy band gap of 7.6 eV above the topmost occupied band, which…

A: Given: Energy band of potassium chloride (Eo) = 7.6 eV. Wavelength of light = 140 nm.

Q: A light emitting diode is A. heavily doped, B. lightly doped, C. Intrinsic semiconductor, D. Zener…

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Q: Show that in a parabolic potential well, the spacing between the energy levels is constant. In…

A: In the given question we have to Show that in a parabolic potential well, the spacing between the…

Q: Discuss PN junction diode and explain the barrier potential across the junction?

A: A PN-junction diode is formed when a p-type semiconductor is fused to an n-type semiconductor…

Q: Estimate the band gap of the semiconductor in the infrared LED of a typical television remote…

A: The wavelength of the infrared waves lies between 700 nm to 1 mm. Assume that the wavelength used in…

Q: 10 " cm . T= 300

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Q: What is the band gap of the semiconductor, if it can only be excited by the light with wavelength…

A: Maximum wavelength for which electron get excited is, 500 nm = 500 x 10-9 m

Q: For the FET transistor configuration in the figure below, determine VGs, Ip, VDs. For Ipss = 8 mA…

A: by use of FET , JFET and Kirchhoff's law find the values.

Q: A p-n photodiode is fabricated from a semiconductor with band gap of 2.8 eV. Can it detect a…

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Q: Explain why Semiconductors are Negative Temperature Coefficient materials?

A: The answer is below

Q: Assume that a GaAs semiconductor has a lattice constant a=7.5 Å, and the atoms of Ga and As are hard…

A: Lattice constant for GaAs semiconductor (a) = 7.5 Ao

Q: Because of its semiconducting properties, CdSCdS is sometimes used in electronic devices. The band…

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