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	   "source": [
       "# Chapter 6: Semiconductors and Nano Physics"
	   ]
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		   "metadata": {},
		   "source": [
			"## Example 6.1: Resistivity_of_intrinsic_semiconductor_at_300_K.sce"
		   ]
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"// Scilab Code Ex6.1:: Page-6.19 (2009)\n",
"clc; clear;\n",
"T = 300;    // Temperature of pure semiconductor, K\n",
"n_i = 2.5e+019; // Intrinsic carrier density, per metre square\n",
"e = 1.6e-019;   // Charge on an electron, C\n",
"mu_e = 0.39;    // Mobility of electrons, Sq.m/V/s\n",
"mu_h = 0.19;    // Mobility of holes, Sq.m/V/s\n",
"sigma_i = e*n_i*(mu_e+mu_h);    // Conductivity of intrinsic semiconductor at 300 K, mho/m\n",
"rho_i = 1/sigma_i;  // Resistivity of intrinsic semiconductor at 300 K, ohm-m\n",
"\n",
"printf('\nThe resistivity of intrinsic semiconductor at 300 K = %4.2f ohm-m', rho_i);\n",
"\n",
"// Result \n",
"// The resistivity of intrinsic semiconductor at 300 K = 0.43 ohm-m "
   ]
   }
,
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		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.2: Velocity_of_electron_at_Fermi_level.sce"
		   ]
		  },
  {
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"source": [
"// Scilab Code Ex6.2: : Page-6.19 (2009)\n",
"clc; clear;\n",
"e = 1.6e-019;   // Energy equivalent of 1 eV, J/eV\n",
"E_F = 2.0*e;    // Fermi level of Po, J\n",
"m = 9.1e-031;   // Mass of an electron, kg\n",
"// As E_F = 1/2*m*v^2, solving for v\n",
"v = sqrt(2*E_F/m);    // Velocity of electron at Fermi level, m/s    \n",
"printf('\nThe Velocity of electron at Fermi level = %4.2e m/s', v);\n",
"\n",
"// Result \n",
"// The Velocity of electron at Fermi level = 8.39e+05 m/s "
   ]
   }
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