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时间:2021-04-20
《最新第二讲-半导体物理及器件基础总结课件PPT.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、第二讲-半导体物理及器件基础总结目录固体能带结构半导体物理基础PN结双极型晶体管MOS晶体管几种大功率器件1/50固体能带结构HerbertKroemer’sLemma--QuotedfromtheNobelLecture,December8,2000If,indiscussingasemiconductorproblem,youcannotdrawanEnergyBandDiagram,thisshowsthatyoudon'tknowwhatyouaretalkingabout.Ifyoucandra
2、wone,butdon't,thenyouraudiencewon'tknowwhatyouaretalkingabout.在讨论半导体问题时,如果不能画出能带图,这说明,你自己也不知所云。你能画出能带图,但是不能理解能带图的含义,那么,听众不知道你在讲什么。2/50固体能带结构6/50半导体物理基础半导体中的电子
3、空穴对7/50半导体物理基础半导体中的电子
4、空穴对8/50半导体物理基础半导体中施主和受主9/50半导体物理基础FD统计分布和费米能级10/50半导体物理基础本征半导体EcEvEiN型半导体E
5、cEvEiP型半导体EcEvEiEfEf三种半导体的费米能级分布11/50半导体物理基础平衡态半导体的载流子浓度方程12/50半导体物理基础扩散运动由浓度梯度引起的载流子的运动。漂移运动由外加”场”的作用引起的载流子的运动。散射载流子运动过程中运动方向或速度改变的现象。晶格散射、杂质和缺陷散射、表面和界面散射,或者是由周期性势场引起的散射。13/50PN结NP14/50PN结PN结形成的微观过程P5++B3+-N-SiP-Si++++++++++++++++++++++++++++++++++++++++
6、++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------------------------------------------------------------------------------------------------------------15/50PN结PN结形成的微观过程+++++++++++++++++++++++++++++++++++++
7、+++++++++++++++++++++++++++++++++++++++++++接触--------------------------------------------------------------------------------++++++++++++++++++++++++++++++++++++++++----------------------------------------N-SiP-Si16/50PN结PN结形成的微观过程扩散++++++++++++++++++++++
8、++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------------------------------------------------------------------------++++++++++++++++++++++++++++++++++++++++----------------------------------------N-SiP-Si扩散电流17/50PN结PN结形成的微观过程+++++++
9、+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------------------------------------------------------------------------++++++++++++++++++++++++++++++++++++++++----------------------------------------N-SiP-Si扩散电流复合18/50自建电
10、场PN结PN结形成的微观过程++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------------------------------------------------------------------------++++++++++++++++++++++++++++++++++++++++-
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