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Science - Physics
Additional field(s): Electronics / Elect Eng | | English term or phrase: donor | Definition from Tyco Electronics Corporation :
A material that is intentionally added to a pure semiconductor material in order to increase the population of free electrons in that semiconductor, resulting in a net negative charge. A semiconductor that has had donor material added to it is called "n-type."
Example sentence(s): - If there is a higher concentration of donors than acceptors, the semiconductor is n-type and the free electron concentration is approximately the difference between the two doping concentrations. everything2.com
- The ionization energy of a donor atom is the energy required to dissociate the electron from the atom and put it in the conduction band of the crystal. answers.com
- The doping with foreign atoms increases the conductivity of semiconductor crystals. By installing pentavalent foreign atoms (donors) one receives electron excess conductors (n-conductor). ledshift.com
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| донор | Definition:
Донор в физике твёрдого тела (см. также полупроводники) -- примесь в кристаллической решётке, которая отдаёт кристаллу электрон. Вводится при ковалентном типе связи. Бывают однозарядные и многозарядные доноры. |
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Ukraine
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13 mins confidence: peer agreement (net): +2 донор
Definition from http://www.mexanik.ru/0090/ogl.htm:
Методы раздельного определения концентраций доноров и акцепторов в полупроводниках типа AIV и AIIIBv
Example sentence(s): | misha50
Local time: 20:07
Native speaker of:  Russian
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The translation workplace 
