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Photoluminiscence study of thin layers of MoS2
Kuba, Jakub ; Kunc,, Jan (referee) ; Bartoš, Miroslav (advisor)
The thesis deals with study of thin layers of transition metal dichalcogenides, especially of molybdenum disulfide. Nanostructures were fabricated on two-dimensional crystals of MoS2 and WSe2. Within followed analysis attention was paid to the photoluminescence properties. In the thesis transition metal dichalcogenides are reviewed and description of the modified process of preparation by micromechanical exfoliation is given.
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Offer of the Construction Company to Public Tender
Benešová, Karolina ; Bartoš, Miroslav (referee) ; Waldhans, Miloš (advisor)
The subject of the diploma thesis "Offer of the building company in a public tender" is to find out, how construction companies provide public contracts, how the public contracts process works in different companies, how individual companies create tender documentation in a public tender, and subsequently describe the creation of tender documentation to public competitions.
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Preparation of 2D heterostructures
Ředina, Dalibor ; Hrabovský, Miloš (referee) ; Bartoš, Miroslav (advisor)
This bachelor's thesis refers about preparation of 2D hetestructures here at the IPE, BUT. The first theoretical part deals with properties of graphene, molybdenum disulfide and 2D heterostructures in general. Comprehensive overview is provided by basic facts about properties and allotropic modifications of carbon. Next part of this thesis outlines methods used in the fabrication of heterostructures and highlights presumably the best one. Experimental part deals with optimization of this method. Successive steps of this method are improved by various adjustments in order to achieve the highest success rate in the fabrication of these heterostructures. Result of this approach is stated in this thesis.
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Subcontract Management in a Construction Company
Bartoš, Miroslav ; Dufek, Zdeněk (referee) ; Waldhans, Miloš (advisor)
The aim of this bachelor thesis is the description of subdelivery management in a construction company. The work is focused on a given problem from the perspective of the contracting authority, as well as from the perspective of the subcontractor himself. The text is divided to two parts. The theoretical part explains the given terminology, while the practical part represents a specific construction company and describes various systems used for subdelivery management of the given company. Part of the work is dedicated to the analysis of subdelivery management in a previously delivered contract, followed by my own delivery companies management procedure.
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Preparation and characterization of MoS2 thin films
Tomková, Renáta ; Zahradníček, Radim (referee) ; Bartoš, Miroslav (advisor)
This thesis deals with topological insulators, which are described by the quantum spin Hall effect, as well as on semiconductors, where the band structure of semiconductors and more specifically mentioned unipolar transistor MOSFET is explained. There are also mentioned primarily 2D materials and in particular of MoS2. Topic focuses on its structure, the electric properties, the use and preparation by using micromechanical exfoliation. In the last chapter it is described how to prepare MoS2 structures and their analysis. Structural properties of this material were measured by the AFM and Raman spectroscopy. The experimental part there are illustrative photograph of MoS2 taken with an optical microscope and spatial structures created by AFM.
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Software Support of Project Planning
Jančo, Ivan ; Bartoš, Miroslav (referee) ; Waldhans, Miloš (advisor)
The theme of this thesis is issue of project management and specialized software, that are used in civil engineering. Trial and actual versions will be compared based on specific criteria. The output will be subjective opinion which software is the most suitable for construction company. Afterwards, will be created demonstrative example of project for the apartment building by the winning software.
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Electroless selective deposition of silver nanoparticles
Salajková, Zita ; Bartoš, Miroslav (referee) ; Kolíbal, Miroslav (advisor)
Silver nanoparticles have a widespread use in the field of plasmonics. Since deposition of nanoparticles from colloidal solutions onto an exact location on a substrate is difficult, it seems advantageous to grow the nanoparticles in-situ. The presented work is focussed at selective deposition of~silver nanoparticles from colloidal solution or from solution reach of silver ions under assistance of focussed electron beams. Successful deposition could lead to growth of well defined nanostructures directly at the substrate surface. The effect of electron beam intensity to surface quality is studied (silica reduction, surface morphology) as well as effect of pH to particle properties. Outputs are used as a part in theoretical description of selective deposition and confirmed by following advanced experiments. The light assisted deposition and growth of nanostructures is described at the end of the presented work.
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Management of the Construction Project
Kadeřávková, Jitka ; Bartoš, Miroslav (referee) ; Waldhans, Miloš (advisor)
The bachelor thesis is devoted to managing the construction project and the thesis is divided into two parts – theoretical and practical. The theoretical part briefly explains project management, project, phases of the project and necessary documentation and legislation. The practical part is focused on territorial and structural management in the construction contract. The aim of this work is to analyze the problems of structural management in a particular construction project. The outcome of my thesis is processing of the methodology for territorial management.
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Miniature charger for a battery pack Li-ion 14,4V/2Ah
Bartoš, Miroslav ; Huták, Petr (referee) ; Vorel, Pavel (advisor)
This bachelor‘s thesis describes the design chargers for lithium-ion batteries. The proposal includes the selection of suitable converter topologies, design power, control and excitation components and a design of high frequency transformer. In the next part the thesis deals with the BMS, which stands for battery management system. The last part deals with the production of the proposed switching source and BMS. The project documentation for the production of a charger is also provided.
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