sir in semiconductors why we use only pentavalent or trivalent?
POTNURU RAJEEV , 11 Years ago
Grade Upto college level
Discuss with colleagues and IITians> semiconuductors...
2 Answers
rohit yadav
Last Activity: 11 Years ago
because they provide hole and extra electron for the conduction of electricity
pvn s
Last Activity: 11 Years ago
penta valent element has one electron more than 4 electrons which could be used for conduction.
while the trivalent elements has 1 electron less , this can also be seen as a hole which could help in improving conduction.
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