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Graphene is a very strong two-dimensional material with a lot of potential applications in microelectromechanical systems (MEMS). In this research, graphene is being optimized for use in a 5 m x 5 m graphene resonator. To work properly, this graphene resonator must have a uniform strain across all manufactured devices. To reduce strain induced in graphene sheets grown for use in these resonators, evaporated platinum has been used in this investigation due to its relatively lower surface roughness compared to copper films. The final goal is to have the layer of ultrathin platinum (<=200 nm) deposited on the MEMS graphene resonator and used to grow graphene directly onto the devices to remove the manual transfer step due to its inscalability. After growth, graphene is coated with polymer and the platinum is then etched. This investigation concentrated on the transfer process of graphene onto Si/SiO2 substrate from the platinum films. It was determined that the ideal platinum etchant was aqua regia at a volumetric ratio of 6:3:1 (H2O:HCl:HNO3). This concentration was dilute enough to preserve the polymer and graphene layer, but strong enough to etch within a day. Type and thickness of polymer support layers were also investigated. PMMA at a thickness of 200 nm was ideal because it was easy to remove with acetone and strong enough to support the graphene during the etch process. A reference growth recipe was used in this investigation, but now that the transfer has been demonstrated, growth can be optimized for even thinner films.
ContributorsCayll, David Richard (Author) / Tongay, Sefaattin (Thesis director) / Lee, Hyunglae (Committee member) / Mechanical and Aerospace Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2016-12
Description
The Vermillion Comedic Anthology comprises of three works of fiction, each around fifteen pages in length. The stories were written throughout the course of Hunter Vermillion’s residency in the English: Creative Writing (Fiction) program at Arizona State University. The first story Study-a-Broad, was written in his capstone fiction class, while the second story Herald’s Horticulture was the first piece Hunter wrote in his first fiction class.
The content of these stories is edgy, humorous, satirical (unlike this abstract), and generally absurd—all this while retaining elements of realism. “Realism” in the sense that any of these stories could occur; there are no supernatural elements contained. However, the actions and characters are so exaggerated that their purposes are to call attention to the character/societal flaws to which they reflect. The more edgy elements of these stories are not included for shock value; in fact, just the opposite. Their sparse use is purposeful to call extra attention to a certain scene or action. Often a story’s use of crude language is intended characterize these despicable actions as negative—to show that a boss should not be treating those around him like servants, for instance (as is the case in the story Fore!).
Disclaimer aside, the true intention of these stories is simple: to entertain. These are humorous pieces, aimed at poking fun at some typical college, workplace, and neighborhood drama. That’s not to say the pieces are devoid of any deeper meaning, because as described above, they seek to satirize overlooked bits of culture. However, the overarching goal of the Vermillion Comedic Anthology is to entertain readers and provide them much need escape from the stresses of the world.
The content of these stories is edgy, humorous, satirical (unlike this abstract), and generally absurd—all this while retaining elements of realism. “Realism” in the sense that any of these stories could occur; there are no supernatural elements contained. However, the actions and characters are so exaggerated that their purposes are to call attention to the character/societal flaws to which they reflect. The more edgy elements of these stories are not included for shock value; in fact, just the opposite. Their sparse use is purposeful to call extra attention to a certain scene or action. Often a story’s use of crude language is intended characterize these despicable actions as negative—to show that a boss should not be treating those around him like servants, for instance (as is the case in the story Fore!).
Disclaimer aside, the true intention of these stories is simple: to entertain. These are humorous pieces, aimed at poking fun at some typical college, workplace, and neighborhood drama. That’s not to say the pieces are devoid of any deeper meaning, because as described above, they seek to satirize overlooked bits of culture. However, the overarching goal of the Vermillion Comedic Anthology is to entertain readers and provide them much need escape from the stresses of the world.
ContributorsVermillion, Hunter Dane (Author) / Ison, Tara (Thesis director) / Hoyt, Heather (Committee member) / Department of English (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05