Browsing Theoretical and Applied Physics by Title
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Ab Initio Density Study of N and O Coadsorption on Pt(100) and Pt(111)
(20091113)We have used ab initio density functional theory to study the coadsorption of N and O on Pt(100) and Pt(111) surfaces. Our calculations show that on Pt(100) the most favourable site is the hollow site for N and the bridge ...

Analysis of Magneto Hemodynamics of Blood in a Stenosed Artery
(20160617)Human body responds to physical activities, external temperature, external magnetic field, and other factors by homeostatically adjusting its blood flow in order to deliver nutrients such as oxygen and glucose to every ...

Biomechanics of Surface Runoff and Soil Water Percolation
(20190623)In this study, the complex interaction of surface runoff with the biomechanics of soil water transport and heat transfer rate is theoretically investigated using mathematical model that rely on the two phase flows of an ...

Calculations of Phonons and Phonon Dispersion in Lifep Pnictide Superconductor
(20101220)Not too long ago(2008),a new pnictide Superconductor free from arsenic was discovered–LiFeP. It belongs to the family of the so called ‘111’ type iron Superconductor. It has unique characteristics in its normal state which ...

Combination and Tracking Control of Chaotic Systems
(20160620)Combinationcontrol of two or more systems which may have important application in Josephson junction ratchet array, and other physical systems has not been explored. Most of the theoretical framework is on combination ...

Control of Non Linear Oscillations in Plasma Governed by a Van Der Pol Equation
(20111220)This thesis deals with the control of non linear oscillations in plasma governed by a classical Van der Pol equation . The main interest devoted to such an investigation is that non linear oscillations in plasma is essential ...

The Design of an OnChip Silicon Photonic Diode
(20130513)This work presents numerical calculation of electromagnetic waves in unidirectional onchip silicon optical diodes. An original optical diode, designed by Wang et. al. [Opt. Express. 19, 2694826955 (2011)], is based on ...

Development of a Correction Term for the Kinetic Energy Density Functional
(20141215)Density functional theory (DFT) is a useful theoretical and computational tool for electronic structure calculations, which form the basis for the classification of materials into conductors, semiconductors or insulators. ...

Effect of Disorder on Spin Transport in Topological NonTrivial Magnetic Textures
(201906)An eﬀect that is observed when an electron passes through a noncollinear magnetic textures such as skyrmion, the electron gets deviated as a result of the ﬁctitious magnetic ﬁeld generated by the skyrmion giving rise to ...

Effects of Bending on the Optoelectronic Properties and Failure Mechanism in Organic Photovoltaics
(20111215)This research investigates the effects of bending on the electrical, optical, structural and mechanical properties of flexible organic photovoltaic (OPV) cells. Bulk heterojunction organic solar cells were fabricated on ...

Effects of Stretching on Flexible Organic Electronic Structures
(20111215)This work presents the responses of optical properties and mechanical failure of layers of stretchable organic electronic structures under tension using analytical, simulations, and experimental techniques. The interfacial ...

ElectroMagnetic Duality, Magnetic monopoles and Topological Insulators
(20130513)The Maxwell equations of electrodynamics acquire an additional symmetry if one assumes the existence of hypothetical particlesmagnetic monopoles, carrying a magnetic charge. The additional internal symmetry is the ...

Exergy Analysis of Hybrid Solar Pv Diesel / Biofuel System for Cogeneration (ELECTRCITY and Cold)
(20101220)In this study, Flexy energy analysis taking exergy analysis and heat recovery into account on performance has been performed. The effects of wasting heat on exhaust gas temperature and cooling engine, is analysed in terms ...

Femtosecond Laser Surface Texturing of Materials for Various Applications
(20130513)Femtosecond lasers represent an electromagnetic field with field intensities approaching and even exceeding atomic binding field. When irradiated on a target, the material responses change from linear to nonlinear within ...

First Principle Study: Absorption of Molecular Hydrogen Sulphide on Gold Clusters
(20091113)We present theoretical results of the study of H 2 S adsorption on gold cluster Au n (n = 1, 5) using density functional theory with PerdewBurkeErnzerhof (PBE) exchangecorrelation energy functional. Minimum energy ...


Fundamentals of Laser Dynamics
(20130513)The thesis presents the modeling and simulation of three types of lasers namely; Semicondoctor laser, Solid state laser and CO 2 laser. The rate equations were derived and simulated to examine the dynamic behaviour of the ...

Influence of Molecular Polarizability on the Active Layer of Organic Photovoltaic Cells: A case study of Poly(3hexylthiophene)
(20130513)The complexity of the microstructure of the active layer in organic photo voltaics (OPVs) poses a unique challenge in improving the efficiency of OPV devices. Molecular dynamics (MD) simulation provides a direct route ...

Limiting Efficiency of Perovskite Solar Cells
(20141215)The power conversion efficiency of perovskite solar cells has risen from as low as 3.8% to as high as 19.3% in just five years with yet a projected value of over 20% in the next few years by experimentalists. Such a ...

Modelling of Contact and Adhesion at Interfaces in Bulk Heterojunction Solar Cells
(20111215)The study of the structures and properties of organic materials for organic photovoltaic (OPV) applications and their interrelationships is a rapidly growing field of research, involving interdisciplinary efforts at the ...