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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？
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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？
时间：2022-01-04 04:44
关键词：
光电检测技术
电子与通信技术
大学试题
工学
答案解析
<p> 半导体：电阻率介于导体和绝缘体之间的物质。<br> 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<br> 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</p>
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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？
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