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|Type:||Artigo de periódico|
|Title:||ESR of Gd3+ in the Kondo-lattice compound YbAgCu4 and its reference compounds RAgCu4 (R = Y,Lu)|
|Abstract:||Low-temperature (T<30 K) electron-spin-resonance (ESR) experiments of Gd3+ diluted in the Kondo-lattice compound YbAgCu4, and its reference compounds YAgCu4 and LuAgCu4, are interpreted in terms of an enhanced density of states at the Fermi level for the Yb-based compound. The results of susceptibility and ESR (Korringa rate and g-shift) measurements show negligible electron-electron exchange enhancement for all the studied compounds. The exchange interaction between the Gd3+ local moment and the conduction electrons(c-e) is c-e wave vector dependent in all three compounds.|
|Editor:||American Physical Soc|
|Citation:||Physical Review B. American Physical Soc, v. 56, n. 14, n. 8933, n. 8937, 1997.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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