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	The oxygen modification of the graphene structures for biosensors Mikerásek, Vojtěch ; Bartošík, Miroslav (referee) ; Mach, Jindřich (advisor) The bachelor thesis deals with the modification of CVD graphene by oxygen atoms. The theoretical part describe the structure of graphene oxide and its physical properties. Methods of production of this material and its use in biosensors are also described. The practical part describes the preparation of monolayer graphene on a silicon wafer. The main attention was paid to the oxidation of graphene by atomic oxygen and its modification in oxygen plasma. The samples were measured during process of oxidation at individual time intervals using XPS. Detailed record
	Application of oxygen atomic beams Mikerásek, Vojtěch ; Čech, Vladimír (referee) ; Mach, Jindřich (advisor) V diplomové práci je popsán návrh, konstrukce a testování termálního zdroje svazku atomárního kyslíku, který je určen k růstu tenkých oxidových vrstev v podmínkách ultra vysokého vakua. První kapitola pojednává o teorii spjaté s termální disociací a tvorbou atomárních svazků. Dále jsou uvedeny hlavní typy zdrojů svazků atomárního kyslíku a jeho aplikace. Experimentální část je věnována samotnému návrhu zařízení, konstrukci a jeho složení. V poslední část je popsáno testování vlivu atomárního kyslíku na vznik oxidových vrstev (stechiometricky Ga2O3) na nanokapičkách Ga na křemíkovém substrátu připraveného molekulární svazkovou epitaxí. Chemické složení a morfologie připravených nanostruktur jsou zkoumány metodou XPS, SEM a TEM. Detailed record
	The oxygen modification of the graphene structures for biosensors Mikerásek, Vojtěch ; Bartošík, Miroslav (referee) ; Mach, Jindřich (advisor) The bachelor thesis deals with the modification of CVD graphene by oxygen atoms. The theoretical part describe the structure of graphene oxide and its physical properties. Methods of production of this material and its use in biosensors are also described. The practical part describes the preparation of monolayer graphene on a silicon wafer. The main attention was paid to the oxidation of graphene by atomic oxygen and its modification in oxygen plasma. The samples were measured during process of oxidation at individual time intervals using XPS. Detailed record

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