In college physics experiments, how to estimate the forbidden band width of PN junction materials by testing the characteristics of PN junction?
/2008/dxwl/jiaoxueziliao/shiyanjiaoxue/PN % BD % e 1% D5 % FD % CF % F2 % d 1 % B9 % BD % B5 % D3 % EB % CE % C2 % B6 % C8 % B9 % D8 % CF % B5 % B5 % B5 % C4 % d 1% D0 % BE % BF . pdf
The second problem in the sixth big problem.