Crystalline phase detection in glass ceramics by EPR spectroscopy
Popov, Anatoli I.
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The advances of EPR spectroscopy for the detection of activators as well as determining their local structure in the crystalline phase of glass ceramics is considered. The feasibility of d-element (Mn2+, Cu2+) and f-element (Gd3+, Eu2+) ion probes for the investigation of glass ceramics is discussed. In the case of Mn2+, the information is obtained from the EPR spectrum superhyperfine structure, for Gd3+ and Eu2+ probes – from the EPR spectrum fine structure, whereas for Cu2+ ions the changes in the EPR spectrum shape could be useful. The examples of EPR spectra of the above-mentioned probes in oxyfluoride glass ceramics are illustrated. ----/ / /---- This is the preprint version of the following article: A. Antuzevics, U. Rogulis, A. Fedotovs, A.I. Popov, Crystalline phase detection in glass ceramics by EPR spectroscopy, Low Temperature Physics 44, 341 (2018), which has been published in final form at https://aip.scitation.org/doi/abs/10.1063/1.5030462?journalCode=ltp by AIP Publishing. This article may be used for non-commercial purposes in accordance with AIP Publishing Terms and Conditions for Sharing and Self-Archiving.