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n-type definition
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1 : describes a semiconductor material that has negatively charged conductivity (a surplus of electrons); material with free-carriers of electricity dominated by negatively charged ions. Also see conductivity type . 2 : a variety of semiconductive material in which the majority current carriers are electrons, formed when donor impurities are incorporated into the crystal structure in small concentrations. [ASTM F1241]

See also:
Native State definition
N-terminal amino-acid residue definition
National Fire Protection Association (NFPA) definition
negative mask definition
Multiheme definition
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