diff options
Diffstat (limited to '2792/CH11/EX11.8/Ex11_8.sce')
| -rwxr-xr-x | 2792/CH11/EX11.8/Ex11_8.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2792/CH11/EX11.8/Ex11_8.sce b/2792/CH11/EX11.8/Ex11_8.sce new file mode 100755 index 000000000..151a3ab46 --- /dev/null +++ b/2792/CH11/EX11.8/Ex11_8.sce @@ -0,0 +1,19 @@ +clc
+h=1.05*10^-34
+disp("h = "+string(h)+"Js") //initializing value of reduced plancks constant or dirac constant or h-bar
+mo = 9.1*10^-31
+disp("mo = "+string(mo)+"kg") //initializing value of mass of electron
+me = 0.067*9.1*10^-31
+disp("me* = "+string(me)+"kg") //initializing value of electron mass of InAs
+kbT = 0.026
+disp("kbT = "+string(kbT)+"eV") //initializing value of kbT at 300K
+mh = 0.45*9.1*10^-31
+disp("mh*= "+string(mh)+"kg")//initializing value of hole density of state mass
+To = .6*10^-9
+disp("To = "+string(To)+"s") //initializing value of minimum recombination time
+p = 10^21
+disp("p = "+string(p)+"m^-3") //initializing value of excess electron or hole density injected
+T = (p/(2*To))*((2*(%pi)*h^2)/(kbT*1.6*10^-19*(me+mh)))^(3/2)
+disp("T = (p/(2*To))*((2*(%pi)*h^2)/(kbT*1.6*10^-19*(me+mh)))^(3/2) = "+string(T)+"s^-1")//calculation
+Tr = 1/T
+disp("The e-h recombination time is Tr = 1/T = "+string(Tr)+"s")//calculation
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