From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 181/CH1/EX1.7/example1_7.sce | 30 ++++++++++++++++++++++++++++++ 181/CH1/EX1.7/example1_7.txt | 2 ++ 2 files changed, 32 insertions(+) create mode 100755 181/CH1/EX1.7/example1_7.sce create mode 100755 181/CH1/EX1.7/example1_7.txt (limited to '181/CH1/EX1.7') diff --git a/181/CH1/EX1.7/example1_7.sce b/181/CH1/EX1.7/example1_7.sce new file mode 100755 index 000000000..6909f5b14 --- /dev/null +++ b/181/CH1/EX1.7/example1_7.sce @@ -0,0 +1,30 @@ +// Energies of electrons in conduction band +// Basic Electronics +// By Debashis De +// First Edition, 2010 +// Dorling Kindersley Pvt. Ltd. India +// Example 1-7 in page 22 + +clear; clc; close; + +// Data given +k=0.01*10^10; // k-vector value /m +h=1.05*10^-34; // Constant of calculation Js +m_0=0.91*10^-30; // Mass of conduction electron Kg +m_c1=0.067*m_0; // Effective mass of GaAs conduction electron Kg +m_c2=0.01*m_0; // Effective mass if InAs conduction electron Kg + +// Calculation +E_1=(h^2*(9*k^2))/(2*m_c1); +A_1=(E_1)/(1.6*10^-19); + +printf("(a)Energy of conduction electron in GaAs = %0.2e eV\n",A_1); + +E_2=(h^2*(9*k^2))/(2*m_c2); +A_2=(E_2)/(1.6*10^-19); + +printf("(b)Energy of conduction electron in InAs = %0.3e eV",A_2); + +// Results +// (a) Energy of conduction electron in GaAs is 50.9 meV +// (b) Energy of conduction electron in InAs is 340.7 meV diff --git a/181/CH1/EX1.7/example1_7.txt b/181/CH1/EX1.7/example1_7.txt new file mode 100755 index 000000000..7e6e0ebe3 --- /dev/null +++ b/181/CH1/EX1.7/example1_7.txt @@ -0,0 +1,2 @@ +(a)Energy of GaAs conduction electron = 5.086e-002 eV +(b)Energy of InAs conduction electron = 3.407e-001 eV \ No newline at end of file -- cgit