V2EX carrier concentration

Carrier Concentration

释义 Definition

载流子浓度:在半导体或电解质等材料中,单位体积内可自由运动并参与导电的电荷载流子(通常指电子和空穴)的数量,常用单位如 cm。在半导体物理中常记为 n(电子浓度)与 p(空穴浓度)。

发音 Pronunciation (IPA)

/krir knsntren/

例句 Examples

The carrier concentration increases when the semiconductor is doped.
掺杂后,半导体的载流子浓度会增加。

At high temperature, intrinsic carrier concentration rises rapidly, which can significantly change the device’s electrical behavior.
在高温下,本征载流子浓度会迅速上升,从而显著改变器件的电学行为。

词源 Etymology

carrier 原义为“搬运者、携带者”,在物理/电子学语境中引申为“携带电荷并移动的粒子(载流子)”;concentration 来自拉丁语词根,表示“聚集、集中”,在科学中常指“单位体积内的数量/含量”。合起来即“载流子数量的密度”。

相关词 Related Words

文献与经典教材中的用例 Notable Works

  • Physics of Semiconductor Devices(S. M. Sze, Kwok K. Ng)
  • Solid State Electronic Devices(Ben G. Streetman, Sanjay Banerjee)
  • Semiconductor Physics and Devices(Donald A. Neamen)
  • Introduction to Solid State Physics(Charles Kittel)
  • Solid State Physics(Ashcroft & Mermin)
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