Surface Engineering of Transition Metal Dichalcogenides for Two-Dimensional Electronic Device Applications

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dc.contributor.advisorWallace , Robert M.
dc.creatorAzcatl Zacatzi, Angelica
dc.date.accessioned2017-01-04T21:46:56Z
dc.date.available2017-01-04T21:46:56Z
dc.date.created2016-12
dc.date.issued2016-12
dc.date.submittedDecember 2016
dc.date.updated2017-01-04T21:46:56Z
dc.description.abstractTwo-dimensional transition metal dichalcogenides (TMDs) are considered potential channel materials for emerging electronic devices in the roadmap beyond Si-CMOS technology. Layered TMDs offer intrinsically an ultrathin body without compromising the semiconducting properties. For the implementation of TMDs in electronic device structures, the understanding of their surface properties is essential. This work combines a variety of materials characterization techniques such as in-situ X-ray photoelectron spectroscopy, atomic force microscopy, transmission electron microscopy, and Raman spectroscopy to investigate the chemistry and structure of TMDs upon different surface treatments. In addition, first-principle calculations are presented to give insights on the mechanism involved in the surface modification of TMD. The impact of the TMDs surface modification on processes for gate-oxide integration by atomic layer deposition and covalent doping are investigated here. This work provides a comprehensive understanding of the surface chemistry of TMDs for two-dimensional electronic device applications.
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/10735.1/5200
dc.language.isoen
dc.rightsCopyright ©2016 is held by the author. Digital access to this material is made possible by the Eugene McDermott Library. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
dc.subjectSurface chemistry
dc.subjecttwo-dimensional transition metal dichalcogenides
dc.subjectChalcogenides
dc.subjectTransition metals
dc.subjectElectronic apparatus and appliances--Design and construction
dc.titleSurface Engineering of Transition Metal Dichalcogenides for Two-Dimensional Electronic Device Applications
dc.typeDissertation
dc.type.materialtext
thesis.degree.departmentMaterials Science and Engineering
thesis.degree.grantorUniversity of Texas at Dallas
thesis.degree.levelDoctoral
thesis.degree.namePHD

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