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diff --git a/Engineering_Physics/Chapter5_1.ipynb b/Engineering_Physics/Chapter5_1.ipynb deleted file mode 100755 index ba6e0e69..00000000 --- a/Engineering_Physics/Chapter5_1.ipynb +++ /dev/null @@ -1,152 +0,0 @@ -{ - "metadata": { - "name": "Chapter5" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": "5: Crystal Physics" - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": "Example number 5.1, Page number 149, theoretical" - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": "Example number 5.2, Page number 150" - }, - { - "cell_type": "code", - "collapsed": false, - "input": "#importing modules\nimport math\n\n#Variable declaration\nn = 8; #number of atoms per cell\na = 5.43*10**-8; #lattice constant(cm)\nw = 28.1; #atomic weight(gm)\nN = 6.02*10**23; #avagadro number\n\n#Calculation\nac = n/(a**3); #atomic concentration(atoms/cm**3)\nd = ac*w/N; #density of Si(g/cm**3)\nd=math.ceil(d*10**3)/10**3; #rounding off to 3 decimals\n\n#Result\nprint \"density of Si is\",d,\"g/cm**3\"", - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": "density of Si is 2.333 g/cm**3\n" - } - ], - "prompt_number": 2 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": "Example number 5.3, Page number 151" - }, - { - "cell_type": "code", - "collapsed": false, - "input": "#importing modules\nimport math\nfrom __future__ import division\n\n#Variable declaration\na = 5; #lattice constant(Angstrom)\n\n#Calculation\na = a*10**-10; #lattice constant(m)\n#to calculate the planar concentration, only equilateral triangular region is considered of length a*math.sqrt(2) and height a*math.sqrt(3/2)\nl = a*math.sqrt(2); #length of face diagonal(m)\nh = a*math.sqrt(3/2); #height of triangle(m)\nA = l*h/2; #area of shaded portion(m**2)\n#every atom at the corner contributes 1/6 to this area.\nn111 = (3/6)*(1/A); #planar concentration(atoms/m**2)\n\n#Result\nprint \"surface density of atoms is\",n111,\"atoms/m**2\"", - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": "surface density of atoms is 2.30940107676e+18 atoms/m**2\n" - } - ], - "prompt_number": 3 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": "Example number 5.4, Page number 152" - }, - { - "cell_type": "code", - "collapsed": false, - "input": "#importing modules\nimport math\n\n#Variable declaration\na = 4.049; #lattice constant(Angstrom)\nh = 2;\nk = 2;\nl = 0; #miller indices of(2 2 0)\n\n#Calculation\nd = a/math.sqrt(h**2+k**2+l**2); #spacing of planes(Angstrom)\nd=math.ceil(d*10**3)/10**3; #rounding off to 3 decimals\n\n#Result\nprint \"spacing of planes is\",d,\"Angstrom\"", - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": "spacing of planes is 1.432 Angstrom\n" - } - ], - "prompt_number": 4 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": "Example number 5.5, Page number 152" - }, - { - "cell_type": "code", - "collapsed": false, - "input": "#importing modules\nimport math\n\n#Variable declaration\nd110 = 2.03; #distance between planes(Angstrom)\nh = 1;\nk = 1;\nl = 0; #miller indices of(1 1 0)\n\n#Calculation\na = d110*math.sqrt(h**2+k**2+l**2); #size of unit cell(Angstrom)\na=math.ceil(a*10**3)/10**3; #rounding off to 3 decimals\n\n#Result\nprint \"size of unit cell is\",a,\"Angstrom\"", - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": "size of unit cell is 2.871 Angstrom\n" - } - ], - "prompt_number": 5 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": "Example number 5.6, Page number 152" - }, - { - "cell_type": "code", - "collapsed": false, - "input": "#importing modules\nimport math\n\n#Variable declaration\na = 5.64; #lattice constant(Angstrom)\nh1 = 1;\nk1 = 0;\nl1 = 0; #miller indices of(1 0 0)\nh2 = 1;\nk2 = 1;\nl2 = 0; #miller indices of(1 1 0)\nh3 = 1;\nk3 = 1;\nl3 = 1; #miller indices of(1 1 1)\n\n#Calculation\nd100 = a/math.sqrt(h1**2+k1**2+l1**2); #spacing of planes[100](Angstrom)\nd110 = a/math.sqrt(h2**2+k2**2+l2**2); #spacing of planes[110](Angstrom)\nd111 = a/math.sqrt(h3**2+k3**2+l3**2); #spacing of planes[111](Angstrom)\nd111=math.ceil(d111*10**2)/10**2; #rounding off to 2 decimals\n\n#Result\nprint \"spacing of plane [100] is\",d100,\"Angstrom\"\nprint \"spacing of plane [110] is\",round(d110),\"Angstrom\"\nprint \"spacing of plane [111] is\",d111,\"Angstrom\"", - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": "spacing of plane [100] is 5.64 Angstrom\nspacing of plane [110] is 4.0 Angstrom\nspacing of plane [111] is 3.26 Angstrom\n" - } - ], - "prompt_number": 6 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": "Example number 5.7, Page number 153" - }, - { - "cell_type": "code", - "collapsed": false, - "input": "#importing modules\nimport math\n\n#Variable declaration\nr = 1.605; #radius of atom(Angstrom)\n\n\n#Calculation\nr = r*10**-10; #radius of atom(m)\na = 2*r; #size of unit cell(m)\nc = a*math.sqrt(8/3);\nV = 3*math.sqrt(3)*a**2*c/2; #volume of unit cell(m**3)\n\n#Result\nprint \"volume of unit cell is\",V,\"m**3\"", - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": "volume of unit cell is 1.40330266432e-28 m**3\n" - } - ], - "prompt_number": 7 - } - ], - "metadata": {} - } - ] -}
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