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ASU Electronic Theses and Dissertations


This collection includes most of the ASU Theses and Dissertations from 2011 to present. ASU Theses and Dissertations are available in downloadable PDF format; however, a small percentage of items are under embargo. Information about the dissertations/theses includes degree information, committee members, an abstract, supporting data or media.

In addition to the electronic theses found in the ASU Digital Repository, ASU Theses and Dissertations can be found in the ASU Library Catalog.

Dissertations and Theses granted by Arizona State University are archived and made available through a joint effort of the ASU Graduate College and the ASU Libraries. For more information or questions about this collection contact or visit the Digital Repository ETD Library Guide or contact the ASU Graduate College at gradformat@asu.edu.


As integrated technologies are scaling down, there is an increasing trend in the process,voltage and temperature (PVT) variations of highly integrated RF systems. Accounting for these variations during the design phase requires tremendous amount of time for prediction of RF performance and optimizing it accordingly. Thus, there is an increasing gap between the need to relax the RF performance requirements at the design phase for rapid development and the need to provide high performance and low cost RF circuits that function with PVT variations. No matter how care- fully designed, RF integrated circuits (ICs) manufactured with advanced technology nodes necessitate …

Contributors
Shafiee, Maryam, Ozev, Sule, Diaz, Rodolfo, et al.
Created Date
2018

Programmable metallization cell (PMC) technology employs the mechanisms of metal ion transport in solid electrolytes (SE) and electrochemical redox reactions in order to form metallic electrodeposits. When a positive bias is applied to an anode opposite to a cathode, atoms at the anode are oxidized to ions and dissolve into the SE. Under the influence of the electric field, the ions move to the cathode and become reduced to form the electrodeposits. These electrodeposits are filamentary in nature and persistent, and since they are metallic can alter the physical characteristics of the material on which they are formed. PMCs can …

Contributors
Yu, Weijie, Kozicki, Michael N, Barnaby, Hugh, et al.
Created Date
2015

A new loop configuration capable of reducing power radiation magnitudes lower than conventional loops has been developed. This configuration is demonstrated for the case of two coaxial loops of 0.1 meter radius coupled via the magnetic reactive field. Utilizing electromagnetism theory, techniques from antenna design and a new near field design initiative, the ability to design a magnetic field has been investigated by using a full wave simulation tool. The method for realization is initiated from first order physics model, ADS and onto a full wave situation tool for the case of a non-radiating helical loop. The exploration into the …

Contributors
Moreno, Fernando Manfred, Diaz, Rodolfo, Aberle, James, et al.
Created Date
2015

Wide spread adoption of photovoltaic technology is limited by cost. Developing photovoltaics based on low-cost materials and processing techniques is one strategy for reducing the cost of electricity generated by photovoltaics. With this in mind, novel porphyrin and porphyrin-fullerene electropolymers have been developed here at Arizona State University. Porphyrins are attractive for inclusion in the light absorbing layer of photovoltaics due to their high absorption coefficients (on the order of 105 cm-1) and porphyrin-fullerene dyads are attractive for use in photovoltaics due to their ability to produce ultrafast photoinduced charge separation (on the order of 10-15 s). The focus of …

Contributors
Bridgewater, James Ward, Gust, Devens, Tao, Nongjian, et al.
Created Date
2014