Bassiri, R., Borisenko, K.B., Cockayne, D.J.H., Hough, J. , MacLaren, I. and Rowan, S. (2011) Probing the atomic structure of amorphous Ta2O5 coatings. Applied Physics Letters, 98(3), 031904. (doi: 10.1063/1.3535982)
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Abstract
Low optical and mechanical loss Ta<sub>2</sub>O<sub>5</sub> amorphous coatings have a growing number of applications in precision optical measurements systems. Transmission electron microscopy is a promising way to probe the atomic structure of these coatings in an effort to better understand the causes of the observed mechanical and optical losses. Analysis of the experimental reduced density functions using a combination of reverse Monte Carlo refinements and density functional theory molecular dynamics simulations reveals that the structure of amorphous Ta<sub>2</sub>O<sub>5</sub> consists of clusters with increased contribution from a Ta<sub>2</sub>O<sub>5</sub> ring fragment.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Rowan, Professor Sheila and MacLaren, Dr Ian and Hough, Professor James and Bassiri, Mr Riccardo |
| Authors: | Bassiri, R., Borisenko, K.B., Cockayne, D.J.H., Hough, J., MacLaren, I., and Rowan, S. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Research Centre: | College of Science and Engineering > School of Physics and Astronomy > Institute for Gravitational Research |
| Journal Name: | Applied Physics Letters |
| ISSN: | 0003-6951 |
| Published Online: | 19 January 2011 |
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