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The structural results are presented for a new large family of isostructural compounds with the general formula An(2)T(2)X (An = U,Np X = In,Sn T = Co,Ir,Ni,Pd,Pt,Rh). The compounds were synthesised by arc melting of stoichiometric amounts of metals, under Ar atmosphere. All attempts to synthesise Np(2)Ir(2)Sn failed, and X-rays show the presence of an important amount of NpIrSn. A metallography test showed that other compounds are formed congruently, unlike U(2)Co(2)Al, the only An(2)T(2)X compound described before this work.

Additional information

Authors: KERGADALLAN Y, JRC Karlsruhe (DE);PERON M N, JRC Karlsruhe (DE);MEYER D, JRC Karlsruhe (DE);REBIZANT J, JRC Karlsruhe (DE);SPIRLET J C, JRC Karlsruhe (DE);WINAND J M, JRC Karlsruhe (DE)
Bibliographic Reference: Paper presented: 23. Journées des Actinides, Bühlerhöhe (DE), April 20-23, 1993
Availability: Available from (1) as Paper EN 37671 ORA
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