Search for dissertations about: "Tight-binding theory"
Showing result 1 - 5 of 24 swedish dissertations containing the words Tight-binding theory.
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1. Quantum Transport Theory in Graphene
Abstract : In this thesis, we focus on different aspects of electron transport in nanostructured graphene (such as graphene nanoribbons). Wedevelop and implement numerical methods to study quantum coherent electron transport on an atomistic level, complemented by analytical calculations based on the Dirac approximation valid close to the points $\vec{K}$ and $\vec{K}^\prime$ in the graphene Brillouin zone. READ MORE
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2. Topological band theory and Majorana fermions : With focus on self-consistent lattice models
Abstract : One of the most central concepts in condensed matter physics is the electronic band structure. Although band theory was established more than 80 years ago, recent developments have led to new insights that are formulated in the framework of topological band theory. READ MORE
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3. In silico studies of carbon nano tubes and metal clusters
Abstract : Carbon nanotubes have been envisioned to become a very important material in various applications. This is due to the unique properties of carbon nanotubes which can be exploited in applications on length scales spanning from the nano world to our macroscopic world. READ MORE
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4. Electronic Structure of Some Zincblende Semiconductor Surfaces
Abstract : The main aim of this thesis is to study and understand the surface electronic structure of compound semiconductors (ex. GaAs, InP, ..etc. READ MORE
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5. Computational studies of graphene and single walled carbon nanotube growth and carbonaceous polymeric nanocomposites
Abstract : Graphene and single walled carbon nanotube (SWNT) has attracted a lot of attention in different fields of science due to its unique electrical, mechanical, and optical properties. Controlling the growth of graphene and SWNT is a very topical subject and critical for producing material with desired properties since their properties are highly dependent on their atomic structure and it is often desirable that the material contains very few or (if possible) no defects. READ MORE