Abstract
Alpha quartz can be transformed to a metamict phase in a physical reaction such as irradiation with fast ions, neutrons and electrons. As truly inspired by this fact, we design a simple experiment to produce disordered silica and at the same time watch the transformation using a transmission electron microscope. This work simply presents electron-damaged silica in dark, field at Bragg reflection. Since the transformation is not complete, disordered silica (at the sample edge) and retained quartz can be compared in each image. Not surprisingly, more speckles are found in the quartz than in the disordered structure. But it is too early to say no medium-range ordering in amorphous silica because the experiment only shows one Bragg diffraction. Systematic work to complete and measure the disordering again is being pursued.
| Original language | English (US) |
|---|---|
| Title of host publication | Materials Research Society Symposium - Proceedings |
| Editors | J.R. Abelson, G. Ganguly, H. Matsumura, J. Robertson, E.A. Schiff |
| Pages | 45-50 |
| Number of pages | 6 |
| Volume | 762 |
| State | Published - 2003 |
| Externally published | Yes |
| Event | Materials Research Proceedings: Amorphous and Nanocrystalline Silicon-Based Films - 2003 - San Francisco, CA, United States Duration: Apr 22 2003 → Apr 25 2003 |
Other
| Other | Materials Research Proceedings: Amorphous and Nanocrystalline Silicon-Based Films - 2003 |
|---|---|
| Country/Territory | United States |
| City | San Francisco, CA |
| Period | 4/22/03 → 4/25/03 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials