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Recently studies of pseudoquaternary, doped systems or solid solutions of heavy fermion and superconducting materials have been started in an attempt to understand their unusual behaviour. To resolve the physics, the characterization of the studied samples, and particularly their homogeneity, is of crucial importance. A detailed characterization is presented of (U(l-x)Np(x))Ru(2)Si(2) and (U(l-x)Np(x))Pd(2)Al(3) alloys by X-ray diffraction, metallography and microprobe analysis. The U and Np atoms were shown to be homogeneously distributed and the samples were found to be single phase of uniform composition.

Additional information

Authors: WASTIN F, JRC Karlsruhe (DE);REBIZANT J, JRC Karlsruhe (DE);STALIOS A D, JRC Karlsruhe (DE);WALKER C T, JRC Karlsruhe (DE)
Bibliographic Reference: Paper presented: Actinides '97, Baden-Baden (DE), September 21-26, 1997
Availability: Available from (1) as Paper EN 41085 ORA
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