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https://apo.ansto.gov.au/dspace/handle/10238/6272| Title: | Positron annihilation in off-stoichiometric and ta-doped Zn2TiO4 |
| Authors: | Guagliardo, PR Vance, ER Lumpkin, GR Blackford, MG Sudarshan, K Davis, J Samarin, S Williams, JF |
| Keywords: | Cations Neutron diffraction Spectroscopy Scanning electron microscopy Experimental data Zinc ions |
| Issue Date: | 8-Aug-2013 |
| Publisher: | John Wiley and Sons |
| Citation: | Guagliardo, P. R., Vance, E. R., Lumpkin, G. R., Blackford, M. G., Sudarshan, K., Davis, J., Samarin, S., & Williams, J. F. (2013). Positron annihilation in off-stoichiometric and ta-doped Zn2TiO4. Journal of the American Ceramic Society, 96(10), 3286-3289. doi:10.1111/jace.12454 |
| Abstract: | While Zn vacancies are regarded as the charge compensators in Ti-rich Zn2TiO4, no evidence of cation vacancies in essentially single-phase samples containing up to 13 wt% excess TiO2 was evident from positron annihilation lifetime spectroscopy (PALS). Nor was there strong evidence of cation vacancies in Ta-doped samples targeted to contain either tetrahedral or octahedral vacancies, although there was a small increase in the lifetime as the doping level increased and the structure changed from cubic to tetragonal. © 2013, The American Ceramic Society. |
| Gov't Doc #: | 6111 |
| URI: | http://dx.doi.org/10.1111/jace.12454 http://apo.ansto.gov.au/dspace/handle/10238/6272 |
| ISSN: | 1551-2916 |
| Appears in Collections: | Journal Articles |
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