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Experience Ireland

Description
Experience Ireland is a multimedia interactive website about ten different heritage tourism sites and traditions. The sites range from a farm in Dublin to a fort on the edge of a cliff in the Aran Islands. The website also includes traditions such as storytelling and Irish dancing. Hear from experts,…

Experience Ireland is a multimedia interactive website about ten different heritage tourism sites and traditions. The sites range from a farm in Dublin to a fort on the edge of a cliff in the Aran Islands. The website also includes traditions such as storytelling and Irish dancing. Hear from experts, tour guides, and tourists about the history behind each site/tradition and what it means to them.
ContributorsMarples, Megan Dianne (Author) / Muench, Sarah (Thesis director) / Timothy, Dallen (Committee member) / Walter Cronkite School of Journalism & Mass Comm (Contributor) / Watts College of Public Service & Community Solut (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05
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The Effect of Cu3Au Parent Phase Crystallography on Nanoporous Gold Morphology

Description
In this research, the effect of the crystal structure of the parent phase on the morphology of nanoporous gold is explored. Specifically, Cu-Au alloys are studied. For this experiment, Cu0.75Au0.25 is heat treated to achieve an ordered phase Cu3Au and a disordered random solid solution, face centered cubic, Cu0.75Au0.25 phase,…

In this research, the effect of the crystal structure of the parent phase on the morphology of nanoporous gold is explored. Specifically, Cu-Au alloys are studied. For this experiment, Cu0.75Au0.25 is heat treated to achieve an ordered phase Cu3Au and a disordered random solid solution, face centered cubic, Cu0.75Au0.25 phase, which are then dealloyed to form nanoporous gold (NPG). Using a morphology digital image analysis software called AQUAMI, SEM images of the NPG morphology were characterized to collect data on the ligament length, ligament diameter, porosity size, etc. of the samples. It was determined that the NPG formed from the ordered parent phase had an average ligament diameter that was 10 nm larger than the NPG formed from the disordered parent phase. This may be due to the ordered crystal structure allowing for faster gold diffusion and coarsening resulting in an increased average ligament size. Further future work is needed in order to obtain further evidence to support this hypothesis.
ContributorsTse, Ariana Yusof (Author) / Sieradzki, Karl (Thesis director) / Wang, Qing Hua (Committee member) / Materials Science and Engineering Program (Contributor) / Walter Cronkite School of Journalism & Mass Comm (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05