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Consider a silicon sample doped with ND = 1×1015/cm3 donor atoms. Assume that the intrinsic carrier concentration ni = 1.5×1010/cm3. If the sample is additionally doped with NA = 1×1018/cm3 acceptor atoms, the approximate number of electrons/cm3 in the sample, at T = 300 K, will be ______.
Correct answer is between '224.9,225.1'. Can you explain this answer?
Most Upvoted Answer
Consider a silicon sample doped withND = 1×1015/cm3donor atoms. ...
According to law of mass action 
Application:
The newly created semiconductor is a compensated semiconductor with doping profile, 
The hole concentration due to NA is very large than Nd 
here, NA >> ND
So, we can neglect ND and the electron concentration can be found as, using law of mass action 
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Community Answer
Consider a silicon sample doped withND = 1×1015/cm3donor atoms. ...
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Consider a silicon sample doped withND = 1×1015/cm3donor atoms. Assume that the intrinsic carrier concentrationni = 1.5×1010/cm3. If the sample is additionally doped withNA = 1×1018/cm3acceptor atoms, the approximate number ofelectrons/cm3in the sample, atT = 300K, will be ______.Correct answer is between '224.9,225.1'. Can you explain this answer?
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Consider a silicon sample doped withND = 1×1015/cm3donor atoms. Assume that the intrinsic carrier concentrationni = 1.5×1010/cm3. If the sample is additionally doped withNA = 1×1018/cm3acceptor atoms, the approximate number ofelectrons/cm3in the sample, atT = 300K, will be ______.Correct answer is between '224.9,225.1'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about Consider a silicon sample doped withND = 1×1015/cm3donor atoms. Assume that the intrinsic carrier concentrationni = 1.5×1010/cm3. If the sample is additionally doped withNA = 1×1018/cm3acceptor atoms, the approximate number ofelectrons/cm3in the sample, atT = 300K, will be ______.Correct answer is between '224.9,225.1'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider a silicon sample doped withND = 1×1015/cm3donor atoms. Assume that the intrinsic carrier concentrationni = 1.5×1010/cm3. If the sample is additionally doped withNA = 1×1018/cm3acceptor atoms, the approximate number ofelectrons/cm3in the sample, atT = 300K, will be ______.Correct answer is between '224.9,225.1'. Can you explain this answer?.
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