Structural and Magnetic Properties of Pr2BaCuO5 Oxide |
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| Authors: | E Climent Pascual J Romero de Paz Regino Sáez Puche Prof |
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| Institution: | 1. Madrid/Spain, Departamento de Química Inorgánica I. Facultad de Ciencias Químicas, Universidad Complutense de Madrid;2. Madrid/Spain, Departamento de Química Inorgánica I. Facultad de Ciencias Químicas, Universidad Complutense de MadridDepartamento de Química Inorgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid/Spain, Phone number: +34‐91‐394‐4353, Fax number: +34‐91‐394‐4352 |
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| Abstract: | The Pr2BaCuO5 oxide has been prepared by using a precursor method. X‐ray and neutron diffraction data reveal that this mixed oxide crystallizes with the so‐called Nd2BaPtO5‐type structure, showing tetragonal symmetry and space group P4/mbm. Magnetic susceptibility, magnetization and specific heat measurements reveal that Pr2BaCuO5 oxide behaves as antiferromagnet, where the Pr3+ and Cu2+ sublattices become simultaneously ordered at 15 K. Preliminary neutron diffraction studies confirm this proposed antiferromagnetic ordering and it can be described by the wave vector k = 0,0,0]. |
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| Keywords: | Antiferromagnetism Rare earth mixed oxide Superexchange interactions Specific heat Rietveld refinements |
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