Question: Explain the difference between direct and indirect bandgap materials. Sketch the two situations. If phonons were not allowed to provide the necessary momentum in an

Explain the difference between direct and indirect bandgap materials. Sketch the two situations. If phonons were not allowed to provide the necessary momentum in an indirect bandgap excitation, what other mechanisms can you think of which could make the absorption process happen in another way?

Step by Step Solution

★★★★★

3.39 Rating (171 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The bandgap represents the minimum energy difference between the top of the valence band and the bottom of the conduction band However the top of the ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (2 attachments)

2108_60f58f350dba2_872910.pdf

180 KBs PDF File

2108_60f58f350dba2_872910.docx

120 KBs Word File

Students Have Also Explored These Related Fundamentals Of Solid State Engineering Questions!

Explain the difference between direct and database marketing using examples to illustrate.

What is the difference between direct and indirect operating expenses?

What is the difference between direct and indirect labor?

To be solved by DKetan. Using Chapter 7 of your text as a reference, define a standard cost and explain what constitutes the components of a standard cost. Describe the advantages and disadvantages...

In Chapter 3, you were introduced to 3 types of costs associated with a manufactured product ? direct materials, direct labor, and manufacturing overhead. Explain how these costs are associated with...

Two Discussion Questions. A minimum of 200 words per question. Both questions are attached to the word document and each chapter to both questions are attached to the PDF. Any references/citations...

Controller, Judy Koch, in a recent speech said, "I rarely see a real variable cost or a truly fixed cost." What did she mean? Include in your response an explanation of the difference in behavior of...

Reading .1 International Assignments 2.1.1 Definition and Classification of International Assignments International work experience is one of the major requirements for promotion to higher-level...

Question 1 The Jumbo Group restaurant chain launched its initial public offering (IPO) in October 2015. As a financial analyst of Tiger Investment Fund, your boss has requested for you to brief her...

Were you read to as a child? If not do you think you would have a better love for books or have done better in school?

An amplifier has a gain of 14 dB. Its input power is 8 mW. Find its output power.

Question ID: 1 2 4 9 9 5 2 Mickey owns a manufacturing company with 6 0 employees. He would like to implement a retirement plan that is easy to administer and permits both employee and employer...

3. 17. Intuition and option value [LO 24.2] Suppose a share sells for $63. The risk-free rate is 5 per cent, and the share price in one year will be either $70 or $80. 1. What is the value of a call...

From Example 3.6, express the sideways deflection of the tip in the units of mils (defined in Table 3.5) when the various quantities are instead known in the USCS. Use the values F = 75 lb, L = 3...

Heat Q, which has the SI unit of joule (J), is the quantity in mechanical engineering that describes the transit of energy from one location to another. The equation for the flow of heat during the...

Convection is the process by which warm air rises and cooler air falls. The Prandtl number (Pr) is used when mechanical engineers analyze certain heat transfer and convection processes. It is defined...

P1021 All techniques, conflicting rankings Nicholson Roofing Materials, Inc., is considering two mutually exclusive projects, each with an initial investment of $150,000. The companys board of...

The MHA Medical Center expects Project A and Project B to generate the following cash flows: Project A ( in thousands ) Year 0 1 2 3 4 5 Initial investment ( $ 2 0 , 0 0 0 ) Net operating cash flows...

7.LindaMastersispaidagrosssalaryeachweekof$400.Afteralldeductions,hernetpayamountsto$327.20.If Lindareceivesaraiseto$22,464peryear,basedonthesamepercentageofdeductions,whatwouldbehernew...