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MENTAL MODEL · M4561

Doping

Doping
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

Doping or adulteration can refer to: Doping (semiconductor), adding appropriate specific impurities to a semiconductor to achieve desired properties. Adulteration, adding unreasonable chemical components to products, especially food.

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Doping or adulteration can refer to: Doping (semiconductor), adding appropriate specific impurities to a semiconductor to achieve desired properties. Adulteration, adding unreasonable chemical components to products, especially food.

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Intrinsic silicon has poor conductivity; doping with trace trivalent/pentavalent impurities (boron/phosphorus) introduces holes or free electrons, forming p/n-type semiconductors with controllable conductivity. Analogy: a pure system (no dissent/no disturbance) is often 'insulating' and lifeless; an appropriate amount of 'impurities' (dissent, chaos, heterogeneity) can activate function.

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    zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E6%8E%BA%E6%9D%82ZH · Explicit
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