Boris, A.V. ; Bernhard, C. ; Kovaleva, N.N. ; Mandal, P. ; Loidl, A. (2002) Phonon anomalies in the infrared conductivity of the RuSr2GdCu2O8 ferromagnetic superconductor Physica B: Condensed Matter, 312-31 . pp. 797-799. ISSN 0921-4526
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Official URL: http://doi.org/10.1016/S0921-4526(01)01228-5
Related URL: http://dx.doi.org/10.1016/S0921-4526(01)01228-5
Abstract
We have performed ellipsometric measurements of the infrared dielectric response of RuSr2GdCu2O8 polycrystalline ceramics. The transformation of the Cu–O bending phonon mode at 288cm−1 in the normal state to a broad absorption band at in the superconducting state has been observed. This observation strikingly resembles the c-axis optical conductivity data reported for the YBa2Cu3O6.45 crystals. The anomalous softening of the Ru-related phonon mode at 190 cm−1 has been observed on decreasing temperature below the magnetic TM=133 K transition temperature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 122880 |
| Deposited On: | 25 Aug 2021 08:35 |
| Last Modified: | 25 Aug 2021 08:35 |
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