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Supertransferred hyperfine interactions between the Cu^{2+} unpaired electron and the ^{105}Pd nuclei in the Sr_2Pd_{0.99}Cu_{0.01}O_3 ceramic were studied by the EPR method. The spectrum of isolated -Pd-O-CuO_2-O-Pd- units (g_∥ = 2.280±0.001; g_⊥ = 2.040±0.001; A_∥(^{63}Cu) = 13 mT±0.1; A_∥(^{65}Cu) = 13.9 ±0.1 mT; A_⊥(^{63,65}Cu) = 0.0 mT) overlaps the signal from small groups of exchange coupled Cu^{2+} ions (g_∥ = 2.278±0.002; g_⊥ = 2.041±0.001). The isotropic contribution was shown to dominate in the Cu-Pd supertransferred interactions (A_∥(^{105}Pd) = A_⊥ (^{105}Pd) = 1 mT = a_{iso} Pd).
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Journal
Year
Volume
Issue
Pages
197-201
Physical description
Dates
published
2008-07
received
2007-11-06
Contributors
author
- Institute of Molecular Physics, PAS, Smoluchowskiego 17, 60-179 Poznań, Poland
author
- Institute of Molecular Physics, PAS, Smoluchowskiego 17, 60-179 Poznań, Poland
author
- Institute of Physics, A. Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
author
- Kazan Physical Technical Institute, RAS, Sibirskii trakt 10/7, 420 029 Kazan, Russia
author
- Kazan Physical Technical Institute, RAS, Sibirskii trakt 10/7, 420 029 Kazan, Russia
author
- Kazan Technological Institute, Sibirskii trakt 12, 420 029 Kazan, Russia
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Document Type
Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv114n129kz