Electrical and Optoelectronic Properties of the Nanodevices Composed of Two-Dimensional Materials

Graphene and Molybdenum (IV) Disulfide

Gebonden Engels 2018 9789811313547
Verwachte levertijd ongeveer 9 werkdagen

Samenvatting

This thesis focuses on the transport and magneto-transport properties of graphene p-n-p junctions, such as the pronounced quantum Hall effect, a well-defined plateau–plateau transition point, and scaling behavior. In addition, it demonstrates persistent photoconductivity (PPC) in the monolayer MoS2 devices, an effect that can be attributed to random localized potential fluctuations in the devices.

Further, it studies scaling behavior at zeroth Landau level and high performance of fractional values of quantum Hall plateaus in these graphene p-n-p devices. Moreover, it demonstrates a unique and efficient means of controlling the PPC effect in monolayer MoS2. This PPC effect may offer novel functionalities for MoS2-based optoelectronic applications in the future.

Specificaties

ISBN13:9789811313547
Taal:Engels
Bindwijze:gebonden
Uitgever:Springer Nature Singapore

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Inhoudsopgave

Introduction.- Theoretical background.- Experimental methods.- Distinctive magnetotransport of graphene p-n-p junctions via resist-free fabrication and controlled diffusion of metallic contact.- Observation of quantum Hall plateau-plateau transition and scaling behavior of the zeroth Landau level in graphene p-n-p junction.- Extrinsic Origin of Persistent Photoconductivity in Monolayer MoS2 Field Effect.- Conclusion.

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        Electrical and Optoelectronic Properties of the Nanodevices Composed of Two-Dimensional Materials