JAMB - Physics (2006 - No. 32)
A certain manufacturer wishes to make an n-type semiconductor. Which materials would he select for doping?
boron and antimony
boron and sodium
aluminium and indium
arsenic and antimony
解释
An n- type semi conductor is usually formed by dopping the semi conductor(a four valent element)with a five valent
element.(arsenic and antimony)
element.(arsenic and antimony)