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clear
//
//
//
//Variable declaration
e=1.6*10**-19 //charge(c)
mew_e=0.19 //electron mobility(m**2/Vs)
T=300 //temperature(K)
KB=1.38*10**-23 //boltzmann constant
//Calculation
Dn=mew_e*KB*T/e //diffusion coefficient(m**2/sec)
//Result
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