dc.contributor.author |
Gubaidullin R. |
|
dc.contributor.author |
Orlinskii S. |
|
dc.contributor.author |
Rakhmatullin R. |
|
dc.contributor.author |
Sen S. |
|
dc.date.accessioned |
2018-09-18T20:04:35Z |
|
dc.date.available |
2018-09-18T20:04:35Z |
|
dc.date.issued |
2007 |
|
dc.identifier.issn |
0021-8979 |
|
dc.identifier.uri |
https://dspace.kpfu.ru/xmlui/handle/net/136267 |
|
dc.description.abstract |
Pulsed electron paramagnetic resonance (EPR) spectroscopy has been used to study the influence of codoping with N and/or F on the clustering of Er 3+ ions in vitreous SiO2. Measurements of echo-detected EPR, spin-lattice and phase memory relaxation times, and electron spin-echo envelope modulation (ESEEM) were made in the X band. Er-N, Er-F, and Er-N-F codoped glasses show clear evidence of clustering of Er3+ ions at concentration levels ranging between 6.67 × 1018 cm -3 and 6.67 × 1019 cm-3. However, the relatively long phase memory relaxation time and the observability of ESEEM in the Er-N-F codoped glass strongly indicate that combined codoping with N and F is more effective in homogenization of the spatial distribution of Er 3+ ions in vitreous SiO2, although, the structural mechanism remains unclear. The ESEEM results provide evidence in favor of the presence of N in the vicinity of the Er3+ ions in Er-N-F codoped vitreous SiO2. © 2007 American Institute of Physics. |
|
dc.relation.ispartofseries |
Journal of Applied Physics |
|
dc.title |
Spectroscopic study of the effect of N and F codoping on the spatial distribution of Er3+ dopant ions in vitreous SiO2 |
|
dc.type |
Article |
|
dc.relation.ispartofseries-issue |
6 |
|
dc.relation.ispartofseries-volume |
101 |
|
dc.collection |
Публикации сотрудников КФУ |
|
dc.source.id |
SCOPUS00218979-2007-101-6-SID34047166862 |
|