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Valence Change in Amorphous Yb-Pd Alloys

Malterre, Daniel / Siari, Ahmed / Durand, Jacques / Krill, Gérard / Marchal, Gérard

Abstract The Yb electronic configuration in the crystalline Ybm Pdn compounds is known to depend on the Yb content. Namely, the Yb-rich compounds (Yb3 Pd, Yb5 Pd2) are divalent as pure Yb metal, while the Pd-rich compound (Yb Pd3) is trivalent. In between, the nearly trivalent Yb Pd and Yb3 Pd4 compounds were reported to represent a rather singular case of mixed-valent behaviour coexisting with low-temperature magnetic ordering 2, 3, 4. Main valence change in the family of the Ybm Pdn compounds occurs then between Yb5 Pd2 (divalent) and Yb Pd $$\left( {\bar v = 2.8} \right)^3$$ , i.e. within a concentration range which cannot be studied in the crystalline state due to stoichiometry limitations.

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Valence Change in Amorphous Yb-Pd Alloys

Malterre, Daniel / Siari, Ahmed / Durand, Jacques / Krill, Gérard / Marchal, Gérard

Abstract The Yb electronic configuration in the crystalline Ybm Pdn compounds is known to depend on the Yb content. Namely, the Yb-rich compounds (Yb3 Pd, Yb5 Pd2) are divalent as pure Yb metal, while the Pd-rich compound (Yb Pd3) is trivalent. In between, the nearly trivalent Yb Pd and Yb3 Pd4 compounds were reported to represent a rather singular case of mixed-valent behaviour coexisting with low-temperature magnetic ordering 2, 3, 4. Main valence change in the family of the Ybm Pdn compounds occurs then between Yb5 Pd2 (divalent) and Yb Pd $$\left( {\bar v = 2.8} \right)^3$$ , i.e. within a concentration range which cannot be studied in the crystalline state due to stoichiometry limitations.

Valence Change in Amorphous Yb-Pd Alloys

Malterre, Daniel / Siari, Ahmed / Durand, Jacques / Krill, Gérard / Marchal, Gérard

Abstract The Yb electronic configuration in the crystalline Ybm Pdn compounds is known to depend on the Yb content. Namely, the Yb-rich compounds (Yb3 Pd, Yb5 Pd2) are divalent as pure Yb metal, while the Pd-rich compound (Yb Pd3) is trivalent. In between, the nearly trivalent Yb Pd and Yb3 Pd4 compounds were reported to represent a rather singular case of mixed-valent behaviour coexisting with low-temperature magnetic ordering 2, 3, 4. Main valence change in the family of the Ybm Pdn compounds occurs then between Yb5 Pd2 (divalent) and Yb Pd $$\left( {\bar v = 2.8} \right)^3$$ , i.e. within a concentration range which cannot be studied in the crystalline state due to stoichiometry limitations.

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Titel:

Valence Change in Amorphous Yb-Pd Alloys

Beteiligte:

Malterre, Daniel (Autor:in) / Siari, Ahmed (Autor:in) / Durand, Jacques (Autor:in) / Krill, Gérard (Autor:in) / Marchal, Gérard (Autor:in)

Erschienen in:

Theoretical and Experimental Aspects of Valence Fluctuations and Heavy Fermions ; 625-628

Erscheinungsdatum:

01.01.1987

Format / Umfang:

4 pages

ISBN:

978-1-4612-8259-4 , 978-1-4613-0947-5

DOI:

https://doi.org/10.1007/978-1-4613-0947-5_106

Medientyp:

Aufsatz/Kapitel (Buch)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Average Valence , Valence Change , Final State Effect , LIII Edge , Significant Concentration Dependence Physics , Optics and Electrodynamics , Characterization and Evaluation of Materials

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