Browsing by Title
Now showing items 4608-4627 of 17408
-
(2011-03-21)Department: PhysicsThis dissertation presents the study of electron field emission from nanostructures using a first-principles computational framework. Field emission is studied under various conditions such as laser illumination, spin ...
-
(2021-08-13)Department: Interdisciplinary Materials ScienceElectron transfer between biomolecules and electrode surfaces is greatly important in the development and understanding of bioelectrochemical systems. This dissertation studies two bioelectrochemical systems: Photosystem ...
-
(2017-09-25)Department: PhysicsNovel nano electronic devices are necessary in order to continue the advancement of computational power of microprocessors in the next decades. On the theory side, it is an open boundary system and usually modeled as a ...
-
(2011-08-04)Department: ChemistryBisAMidine chiral proton catalysts are a class of mixed Brønsted acid/Brønsted base reagents amenable to both electronic and steric modification. A counterintuitive approach in which the creation of more Brønsted basic ...
-
(2008-04-28)Department: Interdisciplinary Materials ScienceSilicon carbide has been preferred over other wide band-gap semiconductors for high power applications because of its unique ability to grow a thermal oxide, challenges lie in the quality of the dielectric and of the ...
-
(Journal of Electronic Publishinghttp://www.journalofelectronicpublishing.org/, 1999)The new world of digital information requires a new way of providing access to that information — while keeping the copyright backbone. It might be technically easier to create a digital infrastructure without copyright: ...
-
(2009-07-29)Department: ChemistryThe determination of electrophoretic properties and the size separation of monolayer protected clusters (MPCs) are presented in this thesis. MPCs are metallic nanoparticles encapsulated in a protecting thiolate monolayer. ...
-
(2018-03-22)Department: NeuroscienceNEUROSCIENCE Electrophysiological Signatures of Multisensory Temporal Processing in the Human Brain David Michael Simon Dissertation under the direction of Professor Mark T. Wallace Events in the natural world frequently ...
-
(2015-04-25)Department: Chemical EngineeringFuel cells are an important component of a renewable energy-based economy, with applications in transportation, portable, and stationary power. Alkaline anion exchange membrane fuel cells in particular are of interest ...
-
(2023-07-24)Department: Interdisciplinary Materials ScienceElectrospinning is a promising approach for fabricating energy storage materials with significant morphological control. Electrospun fibers provide an inherently porous template that can be easily modified with additives ...
-
(2014-08-04)Department: ChemistryMembrane-electrode-assemblies (MEAs) were fabricated with electrospun nanofiber electrodes containing 40% Pt/C, a binder of Nafion and poly(acrylic acid), and a Nafion 212 cation-exchange membrane. MEA performance in a ...
-
(2019-04-11)Department: Chemical EngineeringThe fabrication of highly charged and highly durable proton-exchange membranes (PEMs) is a critical step toward improving the performance and lifetime of hydrogen fuel cells. State of the art commercial PEMs from ...
-
(2013-04-08)Department: Chemical EngineeringProton exchange membrane fuel cells (PEMFCs) are an attractive power plant for applications ranging from automobiles to personal electronic devices. However, PEMFCs still need improvement, particularly regarding the ...
-
(2015-07-29)Department: Chemical EngineeringNanofiber particle/polymer cathode mats, with an average fiber diameter in the 400-600 nm range, were fabricated by electrospinning mixtures of a proton exchange polymer and commercial Pt/C catalyst particles, incorporated ...
-
(2017-01-04)Department: Chemical EngineeringSince their commercial debut in 1991, Li-ion batteries (LIBs) have revolutionized the functionality of portable electronic devices, and the LIB industry continues to grow today due emerging applications such as electric ...
-
(2010-12-07)Department: Electrical EngineeringPassive devices are micro circuit elements that play a critical role in electronic products. The extraordinary physical properties of diamond such as high thermal conductivity, small thermal coefficient of expansion and ...
-
(2015-07-23)Department: Environmental EngineeringSilicic magmas (>65 wt.% SiO2) play an integral role in creating permanent continental crust. Understanding how silicic magmatic systems evolve can help us better understand the processes that control whether silicic magmas ...
-
(Vanderbilt University. Peabody College, 2012-06-15)Research has shown that while the discipline of mathematics focuses on negotiation, interpretation, and uncertainty, classroom mathematics often focus on rigidity, rules, and prescribed algorithms. This misalignment of ...
-
(Howard Law Journal, 1996)All the federal tax decisions of the Burger Court are reviewed in order to demonstrate that widely held beliefs about statutory interpretation in tax cases are misleading. For example, although the literature asserts that ...
-
(2008-10-15)Department: SociologyThis dissertation focuses on a largely unexplored area of social movement research - the relationship between organizational framing and personal and collective identity conflict resolution among social movement participants. ...