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Coherence in CePd3
Abstract At high temperatures in periodic cerium valence fluctuation compounds1,2,3 the cerium atoms act as a set of uncorrelated scattering centers. In the archetypal compound CePd3 the resistivity ρ at high temperatures has a negative slope (Fig. 1a) as expected in the single-ion Kondo limit. Use of the inelastic neutron scattering linewidth4 as a measure of the Kondo temperature yields TK ≃ 250K. At the temperature Tmax = 125K the resistivity exhibits a maximum indicating the onset of coherence, i.e., of correlations amongst the 4f scattering centers resulting in strong renormalization of the conduction electrons. The nature of this coherence is loudly debated at present.
Coherence in CePd3
Abstract At high temperatures in periodic cerium valence fluctuation compounds1,2,3 the cerium atoms act as a set of uncorrelated scattering centers. In the archetypal compound CePd3 the resistivity ρ at high temperatures has a negative slope (Fig. 1a) as expected in the single-ion Kondo limit. Use of the inelastic neutron scattering linewidth4 as a measure of the Kondo temperature yields TK ≃ 250K. At the temperature Tmax = 125K the resistivity exhibits a maximum indicating the onset of coherence, i.e., of correlations amongst the 4f scattering centers resulting in strong renormalization of the conduction electrons. The nature of this coherence is loudly debated at present.
Coherence in CePd3
Lawrence, Jon (Autor:in) / Chen, Yang-Yuan (Autor:in) / Thompson, Joe (Autor:in)
01.01.1987
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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