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Coexistence of Intermediate Valence Ce and Ce3+ in the Ce2Sn5 Compound
Abstract A large number of intermetallic compounds are reported to exist in the Ce-Sn diagram1. They range from the more dilute Ce compound CeSn3 to the richest one, Ce3Sn. Among these compounds, CeSn3, which crystallizes in the cubic AuCu3 structure, presents a well established intermediate valence state : a high electronic specific heat constant 2,3, a large thermal expansion a very weak magnetic susceptibility, with a broad maximum around 150 K5,6,7, are the main evidences of such a property. Moreover, it has been shown recently8 that the large increase of the susceptibility at low temperature is due partly to the pure CeSn3 phase but also partly to some magnetic defects which are structurally connected with the neighboring phases, mainly Ce2Sn5.
Coexistence of Intermediate Valence Ce and Ce3+ in the Ce2Sn5 Compound
Abstract A large number of intermetallic compounds are reported to exist in the Ce-Sn diagram1. They range from the more dilute Ce compound CeSn3 to the richest one, Ce3Sn. Among these compounds, CeSn3, which crystallizes in the cubic AuCu3 structure, presents a well established intermediate valence state : a high electronic specific heat constant 2,3, a large thermal expansion a very weak magnetic susceptibility, with a broad maximum around 150 K5,6,7, are the main evidences of such a property. Moreover, it has been shown recently8 that the large increase of the susceptibility at low temperature is due partly to the pure CeSn3 phase but also partly to some magnetic defects which are structurally connected with the neighboring phases, mainly Ce2Sn5.
Coexistence of Intermediate Valence Ce and Ce3+ in the Ce2Sn5 Compound
Boucherle, J. X. (author) / Givord, F. (author) / Lapierre, F. (author) / Lejay, P. (author) / Peyrard, J. (author) / Odin, J. (author) / Schweizer, J. (author) / Stunault, A. (author)
1987-01-01
6 pages
Article/Chapter (Book)
Electronic Resource
English
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