Synthesis and Characterization of Transition Metal Dichalcogenide Heterostructures
| dc.contributor.advisor | Johnson, David | |
| dc.contributor.author | Miller, Aaron | |
| dc.date.accessioned | 2023-03-24T18:54:36Z | |
| dc.date.available | 2023-03-24T18:54:36Z | |
| dc.date.issued | 2023-03-24 | |
| dc.description.abstract | Synthesis of new materials drives technological advances, but the ability to consistently predict and synthesize a material with specific properties remains unrealized, especially for metastable materials. Using the modulated elemental reactants (MER) method provides additional experimental parameters that can be used to drive the reaction towardsformation of the desired product. This work leverages the MER synthetic approach to study a variety of transition metal dichalcogenide (TMD) thin films and heterostructures based on TMD’s. This work begins with an overview of conventional synthetic approaches used to grow TMD thin films – highlighting the advantages and disadvantages of each technique, along with key reaction steps and examples of typical reaction conditions. After this introductory section, a method to extract the maximum possible quantity of structural information from x-ray diffraction patterns containing Laue oscillations is presented. Next, an automated system to measure the temperature-dependent electrical resistivity and Hall Effect for thin film samples, which is utilized in subsequent experimental chapters to characterize electrical transport properties, is discussed. The latter half of this dissertation contains several experimental synthetic investigations of TMD thin film and TMD heterostructure systems leveraging the MER synthetic method – including synthesis and characterization of a family of [(PbSe)1+δ]4[TiSe2]4 isomers, a novel compound (BiSe)0.97(Bi2Se3)1.26(BiSe)0.97(MoSe2) containing metallic 1TMoSe2, and a metastable heterostructure based on intergrowths of crystalline TiSe2 and amorphous Si layers. | en_US |
| dc.identifier.uri | https://hdl.handle.net/1794/28077 | |
| dc.language.iso | en_US | |
| dc.publisher | University of Oregon | |
| dc.rights | All Rights Reserved. | |
| dc.subject | 2D materials | en_US |
| dc.subject | Materials science | en_US |
| dc.subject | thin film synthesis | en_US |
| dc.title | Synthesis and Characterization of Transition Metal Dichalcogenide Heterostructures | |
| dc.type | Electronic Thesis or Dissertation | |
| thesis.degree.discipline | Department of Chemistry and Biochemistry | |
| thesis.degree.grantor | University of Oregon | |
| thesis.degree.level | doctoral | |
| thesis.degree.name | Ph.D. |
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