Practice Substrate Selection And Lattice Matching (7.5) - Fabrication Techniques for Compound Semiconductors
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Substrate Selection and Lattice Matching

Practice - Substrate Selection and Lattice Matching

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Name two common substrates used in compound semiconductor fabrication.

💡 Hint: Think about materials that have been discussed.

Question 2 Easy

What is lattice mismatch?

💡 Hint: Consider how it impacts material growth.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the function of buffer layers in semiconductor fabrication?

Increase lattice mismatch
Reduce strain from mismatched substrates
Enhance temperature control

💡 Hint: Think about how layers interact during growth.

Question 2

True or False: Mismatched lattices can improve device performance.

True
False

💡 Hint: Recollect what we've learned about defects.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a semiconductor device that uses GaN on a Sapphire substrate. Outline the choices made regarding the substrate and predict the implications of lattice matching.

💡 Hint: Reflect on the properties that each substrate brings to device performance.

Challenge 2 Hard

Evaluate the consequences of poor buffer layer design on the functionality of a compound semiconductor device.

💡 Hint: Consider how defects propagate through layers.

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Reference links

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