From 92cca121f959c6616e3da431c1e2d23c4fa5e886 Mon Sep 17 00:00:00 2001
From: hardythe1
Date: Tue, 7 Apr 2015 15:58:05 +0530
Subject: added books

---
 Advance_Semiconductor_Devices/ChapterNo7.ipynb | 154 +++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100755 Advance_Semiconductor_Devices/ChapterNo7.ipynb

(limited to 'Advance_Semiconductor_Devices/ChapterNo7.ipynb')

diff --git a/Advance_Semiconductor_Devices/ChapterNo7.ipynb b/Advance_Semiconductor_Devices/ChapterNo7.ipynb
new file mode 100755
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--- /dev/null
+++ b/Advance_Semiconductor_Devices/ChapterNo7.ipynb
@@ -0,0 +1,154 @@
+{
+ "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": {}
+  }
+ ]
+}
\ No newline at end of file
-- 
cgit