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简述什么是半导体?什么是N型半导体?什么是P型半导体?

问答题
2022-01-04 04:44
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正确答案

半导体:电阻率介于导体和绝缘体之间的物质。
N型半导体:由施主能级激发到导带中的电子来导电的半导体,自由电子浓度>自由空穴浓度
P型半导体:由受主控制材料导电性的半导体自由空穴浓度>自由电子浓度


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