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A constant height of gallium nitride (GaN) nanowires with graphene deposited on them is shown to have a strong enhancement of Raman scattering, whilst variable height nanowires fail to give such an enhancement. Scanning electron microscopy reveals a smooth graphene surface which is present when the GaN nanowires are uniform, whereas graphene on nanowires with substantial height differences is observed...
A comprehensive analysis of operating parameters of Addon RF nitrogen plasma source was made in order to determine how a ratio of different active nitrogen species depends on operating parameters of the source such as supplied power and nitrogen flow. We show that output signal of the optical sensor that measures intensity of the light emitted by the plasma is a direct measure of the amount of active...
W pracy przedstawiono wyniki uzyskane podczas wzrostów warstw i nanostruktur GaN na podłożach Si (111) przy wykorzystaniu techniki epitaksji z wiązek molekularnych z plazmowym źródłem azotu. Omówiono wpływ warunków wzrostu na właściwości otrzymywanych struktur.
W pracy przedstawiono szczegóły procesu wzrostu warstw GaN na podłożach Si(111) przy wykorzystaniu techniki epitaksji z wiązek molekularnych z plazmowym źródłem azotu. Omówiono również wpływ warunków wzrostu na właściwości otrzymywanych warstw.
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