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Repozytorium publikacji
Politechniki Gdańskiej

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Magnetic properties of ferromagnetic Pu2Pt3Si5

The structural, magnetic, and thermodynamic properties of a new plutonium based compound, Pu2Pt3Si5, are reported. Single crystals produced by a Sn-flux technique have been analyzed showing a ferromagnetic behavior at 58 K. Pu2Pt3Si5 crystallizes in the U2Co3Si5-type orthorhombic Iabm structure (s.g. 72) with atomic parameters a = 9.9226(2) Å, b = 11.4436(2) Å and c = 6.0148(1) Å. The effective (leff 0.74 lB/Pu) and saturated (rsat 0.34 lB/Pu) moments as well as the Sommerfeld coefficient (ce 2 mJ mol1 K2/Pu) could point towards 5f localization in this material.

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