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High Pressure Synthesis of RuSr2MeCu2O8 (Me = Ho or Y)

  • R. Ruiz-Bustos (a1), J. M. Gallardo-Amores (a1), E. Morán (a1), J. P. Attfield (a2), R. Sáez-Puche (a1) and M. A. Alario-Franco (a1)...

The synthesis at high pressures ( ∼60 Kbar) and high temperatures (∼1100 °C) of the title new ruthenates has been achieved and the materials compared to the gadolinium analogue. The structure remains tetragonal (S.G. P4/mmm) and the cell parameters linearly decrease following the lanthanide contraction. Preliminary results concerning the complex magnetic properties of these materials, where superconductivity, antiferromagnetism and a superimposed ferromagnetic ordering coexist, are presented.

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  • EISSN: 1946-4274
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