Files in this item
| Files | Description | Format |
|---|---|---|
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application/pdf  3102011.pdf (8MB) | (no description provided) |
Description
| Title: | Thermal Properties of Indium Nanoparticles and Gold Silicide Formation by Scanning Nanocalorimetry |
| Author(s): | Zhang, Ming |
| Doctoral Committee Chair(s): | Allen, Leslie H. |
| Department / Program: | Materials Science and Engineering |
| Discipline: | Materials Science and Engineering |
| Degree Granting Institution: | University of Illinois at Urbana-Champaign |
| Degree: | Ph.D. |
| Genre: | Dissertation |
| Subject(s): | Engineering, Materials Science |
| Abstract: | The silicide study focuses on phase formation in Au-Si thin films. The unique finding is to determine the melting temperature of metastable phase using calorimetry, which is ∼60°C below the eutectic melting point (363°C). The heat of fusion (26.4 kJ/mol) of the metastable phase has also been obtained. The metastable phase is analyzed to be an orthorhombic structure (a = 0.92, b = 0.72, c = 1.35 nm) by double tilting experiment with stereographic projection method (ex-situ TEM). The composition is proposed to be Au3Si from EDAX. The real-time experiment shows the melting point depression of eutectic and competitive growth between eutectic and Au3Si phase. The composition of the film (i.e., gold-rich or silicon-rich) determines the formed phase. Rapid cooling experiments reveal that eutectic is supercooled down to much lower temperatures (∼135°C) than the Au3Si phase (∼275°C). |
| Issue Date: | 2003 |
| Type: | Text |
| Language: | English |
| Description: | 139 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2003. |
| URI: | http://hdl.handle.net/2142/82747 |
| Other Identifier(s): | (MiAaPQ)AAI3102011 |
| Date Available in IDEALS: | 2015-09-25 |
| Date Deposited: | 2003 |
This item appears in the following Collection(s)
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Dissertations and Theses - Materials Science and Engineering
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Graduate Dissertations and Theses at Illinois
Graduate Theses and Dissertations at Illinois