Zinc Sulphide Doped With Chromium. A Density Functional Theory Study


Bachelor Thesis, 2017

58 Pages, Grade: 4.00


Excerpt


TABLE OF CONTENTS

LIST OF TABLES AND FIGURES

ABSTRACT

CRAPTER 01: INTRODUCTION
1.1 Research Problem
1.2 Research Plan

CHAPTER 02: LITERATURE REVIEW
Literature Review

CHAPTER 03: THEORETICAL BACKGROUND
3.1 Energy Band Theory
3.2 Semiconductors and their Characteristics
3.3 Direct/Indirect Band Gap Semiconductors
3.4 II-VI Compound Semiconductors
3.5 Zinc Sulphide
3.6 Exchange Interaction
3.6.1 Direct Exchange Interaction
3.6.2 Indirect Exchange Interaction
3.6.2.1 Double Exchange Interaction
3.7 Jahn Teller Effect-
3.8 Techniques for Computational Study
3.9 Density Functional Theory
3.9.1 Many-Body Problems in Solids
3.9.2 Hohenburg-Kohen Theorems
3.9.2.1 First Hohenburg Kohen Theorem
3.9.2.2 Second Hohenburg Kohen Theorem
3.9.3 Kohan-Sham Equation
3.9.4 Exchange Correlational Functional
3.9.5 Local Density Approximation (LDA)
3.9.6 Local Spin Density Approximation (LSDA)
3.9.7 Generalized Gradient Approximation (GGA)
3.9.8 LDA and GGA with Hubbard Correction
3.9.9 Hybrid Functional
3.9.10 Tran-Blah Modified Becke Johnson Potential (TB-mBJ)
3.10 Basis Sets
3.10.1 Slater-Type Orbital (STO)
3.10.2 Gaussian-Type Orbital (GTO)
3.11 Amsterdam Density Functional (ADF)

CHAPTER 04: COMPUTATIONAL TECHNIQUES
4.1 ADF-BAND-
4.2 Brief Introduction to ADF-BAND
4.2.1 Features of ADF-BAND
4.2.2 Operating System for ADF-BAND
4.2.3 Electronic and Structural Parameters using ADF -BAND
4.2.4 Construction of wurtzite ZnS structure with ADF -BAND
4.2.5 Construction of a unit cell of ZnS
4.3 Computational Aspect

CHAPTER 05: RESULTS AND DISCUSSIONS
5.1 Electronic Properties
5.1.1 Chromium Doped Zinc Sulphide: 16 atoms
5.1.2 Cr Doped ZnS: 32 atoms
5.1.3 Cr Doped ZnS: 64 atoms
5.2 Conclusion

REFERENCES

PLAGIARISM REPORT BY “TURNITIN”

Excerpt out of 58 pages

Details

Title
Zinc Sulphide Doped With Chromium. A Density Functional Theory Study
College
University of Gujrat
Course
physics
Grade
4.00
Author
Year
2017
Pages
58
Catalog Number
V508622
ISBN (eBook)
9783346109279
ISBN (Book)
9783346109286
Language
English
Notes
It is verified that this thesis titled "DFT study of Cr doped wurtzite ZnS" contains sufficient material required for the award of degree of bachelor studies in physics. It is hereby solemnly declared that the data quoted in this thesis is based on original work, and has not yet been submitted or published elsewhere.
Keywords
dft study, adf band theory, electronic and structural parameters, band gap, unit cell of ZnS, density of states, origin software, graph, five-fold degeneracy, cystal field splitting, Jahn Teller Disortion, p-type semiconductor, spin up and spin down
Quote paper
SN Butt (Author), 2017, Zinc Sulphide Doped With Chromium. A Density Functional Theory Study, Munich, GRIN Verlag, https://www.grin.com/document/508622

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