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Dissertation
Classical vs. Quantum Plasmon-enhanced Spectroscopy and Nano-optical Applications in Two-dimensional Materials
Washington State University
Doctor of Philosophy (PhD), Washington State University
05/2024
DOI:
https://doi.org/10.7273/000006491
Abstract
The development of technology follows closely behind novel discoveries in scientific research. With each discovery, modern research and development has been increasingly pushed toward the nanoscale. Increasing interest in materials existing at the nanoscale for technological components has highlighted increasingly prevalent practical limitations within conventional measurement techniques. One such limitation has been the inability to perform nanoscale spatial characterization of functional materials from optical diffraction limits. To address this, the growing field of nanoscale plasmonics has demonstrated super-resolved spectroscopic microscopy through near-field optical field enhancement.
This dissertation focuses on two novel research directions, designated as Part II and Part III within the text. Part II focuses on advancements in our fundamental understanding of plasmon-enhanced light-matter interactions through AFM-coupled, plasmon-enhanced optical microscopy. In Chapters 4 and 5 we will elucidate fundamental phenomena from nanoscale plasmons and enhanced optical fields, and then follow up in Chapters 6 and 7 with demonstrations of the practical considerations when conducting near-field spectroscopy. These studies will lay the groundwork for Part III, which focuses on applying plasmon-enhanced light-matter interactions towards 2D materials – nanoscale materials of increasing interest for electronic component miniaturization. In Chapter 8, we will demonstrate a novel technique for nanoscale characterization of domain boundaries in a thin film ferroelectric. Then, in Chapter 9 we will demonstrate how plasmon-mediated charge transfer and injection can be used for optoelectronic control of thin film semiconductor/ferroelectric heterostructures and devices.
Additionally, we will discuss the fundamentals of plasmon-enhanced spectroscopy as well as 2D materials in the background information of Part I. Finally, we will end the dissertation by discussing possible future research directions in Part IV.
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Details
- Title
- Classical vs. Quantum Plasmon-enhanced Spectroscopy and Nano-optical Applications in Two-dimensional Materials
- Creators
- Alexander Benjamin Conrad Mantilla
- Contributors
- Yi Gu (Chair)Patrick Z El-Khoury (Committee Member)Arda Gozen (Committee Member)Brian Collins (Committee Member)
- Awarding Institution
- Washington State University
- Academic Unit
- School of Mechanical and Materials Engineering
- Theses and Dissertations
- Doctor of Philosophy (PhD), Washington State University
- Publisher
- Washington State University
- Number of pages
- 242
- Identifiers
- 99901122439001842
- Language
- English
- Resource Type
- Dissertation