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Diffstat (limited to 'Advance_Semiconductor_Devices/ChapterNo7.ipynb')
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diff --git a/Advance_Semiconductor_Devices/ChapterNo7.ipynb b/Advance_Semiconductor_Devices/ChapterNo7.ipynb deleted file mode 100755 index 431c4340..00000000 --- a/Advance_Semiconductor_Devices/ChapterNo7.ipynb +++ /dev/null @@ -1,154 +0,0 @@ -{
- "metadata": {
- "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "<h1> Chpater No 7: Optoelectonic Devices <h1>"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7.1, Page No 283"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math \n",
- "\n",
- "#initialisation of variables\n",
- "Vout = 5.0 #in V\n",
- "V = 1.5 #ON state voltage drop across LED in V\n",
- "I = 5.0 #in mA\n",
- "\n",
- "#CALCULATIONS\n",
- "I = I*10**-3 #in A\n",
- "R = (Vout-V)/I #in ohm\n",
- "\n",
- "#RESULTS\n",
- "print('Resistance is =%.f \u03a9' %R)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Resistance is =700 \u03a9\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7.2, Page No 306"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "#initialisation of variables\n",
- "N_A = 7.5*10**24 #in atoms/m^3\n",
- "N_D = 1.5*10**22 #in atoms/m^3\n",
- "D_e = 25*10**-4 #in m^2/s\n",
- "D_n = 1*10**-3 #in m^2/s\n",
- "V_T = 26*10**-3 #in V\n",
- "\n",
- "#CALCULATIONS\n",
- "Torque_eo = 500*10**-9 #in sec\n",
- "Torque_ho = 100*10**-9 #in sec\n",
- "e = 1.6*10**-19 #in C\n",
- "n_i = 1.5*10**16 #in /m^3\n",
- "I_lambda = 12.5 #in mA/cm^2\n",
- "I_lambda= I_lambda*10**-3 #in A/cm^2\n",
- "L_e = math.sqrt(D_e*Torque_eo) #in m\n",
- "L_n = math.sqrt(D_n*Torque_ho) #in m\n",
- "J_s = e*((n_i)**2)*( ((D_e)/(L_e*N_A)) + ((D_n)/(L_n*N_D)) ) #in A/m^2\n",
- "J_s= J_s*10**-4 #in A/cm^2\n",
- "V_OC = V_T*(math.log(1+(I_lambda/J_s))) #in V\n",
- "\n",
- "#RESULTS\n",
- "print('Open circuit voltage is =%.2f volts ' %V_OC)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Open circuit voltage is =0.52 volts \n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7.3, Page No 307"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "#initialisation of variables\n",
- "Phi_o = 1.0*10**21 #in m^-2s^-1\n",
- "alpha =1.0*10**5 #in m^-1\n",
- "e= 1.6*10**-19 #in C\n",
- "\n",
- "#CALCULATIONS\n",
- "G_L1 = alpha*Phi_o #in m^-3s^-1\n",
- "W = 26.0 #in \u00b5m\n",
- "W = W * 10**-6 #in m\n",
- "G_L2 = alpha*Phi_o*(math.e)**((-alpha)*W) #in m^-3s^-1\n",
- "#temp=(1-math.e)**(-(alpha)*W)\n",
- "J_L = e*Phi_o*(1-math.e**(-(alpha)*W)) #in A/m^2\n",
- "J_L = J_L * 10**3*10**-4 #in mA/cm^2\n",
- "\n",
- "#RESULTS\n",
- "print('Photo current density is =%.1f mA/cm^2' %J_L)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Photo current density is =14.8 mA/cm^2\n"
- ]
- }
- ],
- "prompt_number": 3
- }
- ],
- "metadata": {}
- }
- ]
-}
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