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National Repository of Grey Literature 6 records found  Search took 0.01 seconds. 
Study of a selective growth of metals on matrix prepared by AFM nanolithography
 Konečný, Martin ; Mach, Jindřich (referee) ; Bartošík, Miroslav (advisor)
This bachelor thesis is focused on fabrication of nanostructures with usage of atomic force microscope. The theoretical part refers to basic principles of atomic force microscope and to physical principle of local anodic oxidation. The experimental part is focused on analysis of nanostructures created by local anodic oxidation, measuring of surface potential on prepared nanostructures and on selective growth of metals on matrix prepared by local anodic oxidation.
Detailed record
Study of AFM pull-off force on graphite/graphene layers in the perspective of nanosensoric applications
 Pagáčová, Lenka ; Nebojsa, Alois (referee) ; Bartošík, Miroslav (advisor)
The diploma thesis deals with force-distance spectroscopy method as a tool for determining pull-off force on graphit/graphene sheets under varied conditions. There is described also a contact angle method which is used to idetify contact angles of water on six investigated samples. Results of both method were discussed with respect to utilization of force-distance spectroscopy in wetting measurements of materials. Finally it was carried out modification of graphen sheet by local anodic oxidation.
Detailed record
Selective growth of GaN on SiN
 Hulva, Jan ; Kolíbal, Miroslav (referee) ; Mach, Jindřich (advisor)
This bachelor's thesis deals with the selective growth of gallium and gallium nitride on silicon nitride (SiN) substrates. Thin silicon nitride layers are deposited on silicon substrates. Oxide structures are prepared by the local anodic oxidation method (LAO) on SiN substrates. These surfaces can be editionally modified by etching in hydrofluoric acid. Modified substrates are used for the deposition of gallium or gallium nitride under ultra-high vacuum conditions. Consequently, ordering of deposited material was studied in areas modified by LAO. Chemical state of layers is studied by X-ray photoelectron spectroscopy. Morphology of surfaces is measured by the atomic force microscope (AFM).
Detailed record
Study of AFM pull-off force on graphite/graphene layers in the perspective of nanosensoric applications
 Pagáčová, Lenka ; Nebojsa, Alois (referee) ; Bartošík, Miroslav (advisor)
The diploma thesis deals with force-distance spectroscopy method as a tool for determining pull-off force on graphit/graphene sheets under varied conditions. There is described also a contact angle method which is used to idetify contact angles of water on six investigated samples. Results of both method were discussed with respect to utilization of force-distance spectroscopy in wetting measurements of materials. Finally it was carried out modification of graphen sheet by local anodic oxidation.
Detailed record
Selective growth of GaN on SiN
 Hulva, Jan ; Kolíbal, Miroslav (referee) ; Mach, Jindřich (advisor)
This bachelor's thesis deals with the selective growth of gallium and gallium nitride on silicon nitride (SiN) substrates. Thin silicon nitride layers are deposited on silicon substrates. Oxide structures are prepared by the local anodic oxidation method (LAO) on SiN substrates. These surfaces can be editionally modified by etching in hydrofluoric acid. Modified substrates are used for the deposition of gallium or gallium nitride under ultra-high vacuum conditions. Consequently, ordering of deposited material was studied in areas modified by LAO. Chemical state of layers is studied by X-ray photoelectron spectroscopy. Morphology of surfaces is measured by the atomic force microscope (AFM).
Detailed record
Study of a selective growth of metals on matrix prepared by AFM nanolithography
 Konečný, Martin ; Mach, Jindřich (referee) ; Bartošík, Miroslav (advisor)
This bachelor thesis is focused on fabrication of nanostructures with usage of atomic force microscope. The theoretical part refers to basic principles of atomic force microscope and to physical principle of local anodic oxidation. The experimental part is focused on analysis of nanostructures created by local anodic oxidation, measuring of surface potential on prepared nanostructures and on selective growth of metals on matrix prepared by local anodic oxidation.
Detailed record

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