Transcription of Chapter 2 Semiconductor Heterostructures - Cornell …
{{id}} {{{paragraph}}}
Semiconductor Optoelectronics (Farhan Rana, Cornell University) Chapter 2 Semiconductor Heterostructures Introduction Most interesting Semiconductor devices usually have two or more different kinds of semiconductors . In this handout we will consider four different kinds of commonly encountered Heterostructures : a) pn heterojunction diode b) nn heterojunctions c) pp heterojunctions d) Quantum wells, quantum wires, and quantum dots A pn Heterojunction Diode Consider a junction of a p-doped Semiconductor ( Semiconductor 1) with an n-doped Semiconductor ( Semiconductor 2). The two semiconductors are not necessarily the same, 1 could be AlGaAsand 2 could be assume that 1 has a wider band gap than 2.
Semiconductor Heterostructures 2.1 Introduction Most interesting semiconductor devices usually have two or more different kinds of semiconductors. In this handout we will consider four different kinds of commonly encountered heterostructures: a) pn heterojunction diode b) nn heterojunctions c) pp heterojunctions
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document:
{{id}} {{{paragraph}}}