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| Content Provider | Springer Nature Link |
|---|---|
| Author | Gunnlaugsson, H. P. mura, K. Mølholt, T. E. Shayestehaminzadeh, S. Johnston, K. Mantovan, R. Masenda, H. Ncube, M. Bharuth Ram, K. Gislason, H. Langouche, G. Naidoo, D. Ólafsson, S. Weyer, G. |
| Copyright Year | 2013 |
| Abstract | States of dilute Fe in SnO2 have been monitored using 57Fe emission Mössbauer spectroscopy following implantation of 57Mn (T 1/2 = 85.4 s) in the temperature range from 143 K to 711 K. A sharp annealing stage is observed at ~330 K where the Fe3 + /Fe2 + ratio shows a marked increase. It is suggested that this annealing stage is due to the dissociation of Mn-VO pairs during the lifetime of 57Mn; the activation energy for this dissociation is estimated to be 0.9(1) eV. Fe3 + is found in a paramagnetic state showing spin-lattice relaxation rates consistent with an expected T 2 dependence derived for a Raman process. In addition, a sharp lined doublet in the Mössbauer spectra is interpreted as due to recoil produced interstitial Fe. |
| Starting Page | 389 |
| Ending Page | 396 |
| Page Count | 8 |
| File Format | |
| ISSN | 03043843 |
| Journal | Hyperfine Interactions |
| Volume Number | 226 |
| Issue Number | 1-3 |
| e-ISSN | 15729540 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2013-10-31 |
| Publisher Place | Cham |
| Access Restriction | Subscribed |
| Subject Keyword | SnO2 57Mn implantation Emission Mössbauer spectroscopy Defects Nuclear Physics, Heavy Ions, Hadrons Atomic, Molecular, Optical and Plasma Physics Condensed Matter Physics Surfaces and Interfaces, Thin Films |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nuclear and High Energy Physics Atomic and Molecular Physics, and Optics Physical and Theoretical Chemistry Condensed Matter Physics |
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