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Electron spin-lattice relaxation of Er3+-ions in Y0.99Er0.01Ba2Cu3Ox
Authors
Gafurov M.
Gutmann M.
+5 more
Ivanshin V.
Keller H.
Kurkin I.
Kurzin S.
Shengelaya A.
Publication date
1 January 1998
Publisher
Abstract
The temperature dependence of the electron spin-lattice relaxation (SLR) was studied in Y0.99Er0.01Ba2Cu3Ox(0 ≤ x ≤ 7). The data derived from the electron spin resonance (ESR) and SLR measurements were compared to those from inelastic neutron scattering studies. SLR of Er3+-ions in the temperature range from 20 K to 65 K can be explained by the resonant phonon relaxation process with the involvement of the lowest excited crystalline-electric-field electronic states of Er3+. These results are consistent with a local phase separation effects. Possible mechanisms of the ESR line broadening at lower temperatures are discussed. © 1998 Elsevier Science B.V. All rights reserved
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Last time updated on 07/05/2019