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Diffstat (limited to '284/CH3/EX3.1/ex_1.sce')
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1 files changed, 11 insertions, 0 deletions
diff --git a/284/CH3/EX3.1/ex_1.sce b/284/CH3/EX3.1/ex_1.sce new file mode 100755 index 000000000..be82a80c1 --- /dev/null +++ b/284/CH3/EX3.1/ex_1.sce @@ -0,0 +1,11 @@ +// Chapter 3_The Semiconductor in Equilibrium
+//Caption_Equilibrium Distribution of Electrons and holes
+//Ex_1//page 85
+T=300 // Temperatire in kelvin
+Nc=2.8*(10^19) //Effective density of states function in the conduction band in per cm cube
+delE=0.25 //Fermi energy is 0.25eV below the conduction band
+k=1.389*(10^-23) //Boltzmann constant
+kT=0.0259
+fF=%e^(-delE/(kT))
+no=Nc*fF
+printf('The thermal equilibrium electron concentration in siliconn is %1.2fd per cm^3',no)
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