Handout+3_Fundamental+Physical+Concepts+of+pn+Junction

Handout+3_Fundamental+Physical+Concepts+of+pn+Junction -...

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1 Lecture Fundamental Physical Dr. Vincent Chang Concepts of pn Junction Copyright The course contents are protected under the copyright laws of the United States and other countries. This course is designated for personal use only and all intellectual property rights of such course contents are reserved by Knowledge Master, Inc. Any distributing, copying or public performance of such course contents, including PowerPoint slides, handout, video and audio sound-track, is Dr. Vincent Chang strictlyp rohibited and may subject theoffender to severe criminal penalties. (Title 17, United State Code, Section 501 & 506) Copyright © by Knowledge Master, Inc.
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2 Outline Thermal equilibrium • Carrier concentration • Decomposition Depletion laye Potential & energy barrier • Electrostatic potential distribution • Concept of Built-in potential • Derivation • Formula Dr. Vincent Chang • Depletion layer Concept of energy barrier Carrier Concentration 3 18 cm / 10 = A N 3 16 cm / 10 = D N D N n i N n p 2 = 3 18 cm / 10 = p 3 2 cm
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This note was uploaded on 08/09/2011 for the course EE 312 taught by Professor Vicentchang during the Fall '10 term at Shanghai Jiao Tong University.

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