Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"metal/oxide interfaces"”.
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First-Principles Study of Band Alignment and Electronic Structure at Metal/Oxide Interfaces: An Investigation of Dielectric Breakdown
Oxide dielectric breakdown is an old problem that has been studied over decades. It causes power dissipations and irreversible damage to the electronic devices. The aggressive downscaling of the device size exponentially increases the leakage current density, which also raises the risk of …
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Reactivity of Oxide Surfaces and Metal-Oxide Interfaces: Effects of Water Vapor Pressure on Ultrathin Aluminum Oxide Films, and Studies of Platinum Growth Modes on Ultrathin Oxide Films and Their Effects on Adhesion
The reactivity of oxide surfaces and metal-oxide interfaces play an important role in many technological applications such as corrosion, heterogeneous catalysis, and microelectronics. The focus of this research was (1) understanding the effects of water vapor exposure of ultrathin aluminum oxide …
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Electronic and Plasmonic Properties of Nano-Sized Gold/Strontium Titanate Interface
In this thesis, nano-sized metal/oxide interfaces are fabricated to determine the size dependence of electronic and resistive switching properties, effect of atomic structure on the orientation dependence of electronic properties, and mechanisms of plasmon-induced current enhancement. A combination …
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STRUCTURE-ACTIVITY RELATIONSHIPS OFHETEROGENEOUS CATALYSTS FOR THE LIQUID-PHASE H2PRODUCTION FROM NITROGEN-HYDRIDES
… hydrogen-based economy. In this context, metals are inherently expensive and their use might raise concerns about the overall sustainability of the hydrogen produced. Hence, the choice of metal-free analogues is more and more intriguing for a zero-emissions future. Chapter 3 disclosed the …
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Band Engineering of Advanced Materials for Semiconductor Devices
As the downscaling of metal–oxide–semiconductor field-effect transistors (MOSFETs) continues, the short-channel effects (SCEs) and contact resistance severely degrade device performance. It is crucial to understand the physics at various interfacial regions of MOSFETs to provide guidance for …
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Voltage programmable materials
… derive largely from structure and composition at interfaces. The possibility to electrically modify these interfacial characteristics would provide a powerful means to control material properties. Of particular recent scientific and technological interest are metal/metal-oxide bilayers, in which …
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Metal-Aluminum Oxide Interactions: Effects of Surface Hydroxylation and High Electric Field
Metal and oxide interactions are of broad scientific and technological interest in areas such as heterogeneous catalysis, microelectronics, composite materials, and corrosion. In the real world, such interactions are often complicated by the presence of interfacial impurities and/or high electric …
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Plasmonic Nanoshells: Synthesis, Functionalization, and Photonic Applications
… an example being the synthesis of unique tin oxide-coated gold-silver nanorattle particles. Nanorattle structures offer the potential for boosting hydrogen production due to the strong localization of the plasmonic enhancement between the metal and metal oxide interfaces. In separate studies, …
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Metal Oxide Reactions in Complex Environments: High Electric Fields and Pressures above Ultrahigh Vacuum
Metal oxide reactions at metal oxide surfaces or at metal-metal oxide interfaces are of exceptional significance in areas such as catalysis, micro- and nanoelectronics, chemical sensors, and catalysis. Such reactions are frequently complicated by the presence of high electric fields and/or …