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Descripción
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| Two new cation-ordered polymorphs of Mn2ScSbO6 have been synthesised at high-pressure. At 5.5 GPa and 1523 K Mn2ScSbO6 crystallizes in the Ni3TeO6-type structure with the polar R3 space group and cell parameters a = 5.3419 (5) angstrom and c = 14.0603 (2) angstrom. Below T-C = 42.0 K it exhibits ferrimagnetic order with a net magnetization of 0.6 mu(B) arising from unusual site-selective Mn/Sc disorder and is thus a potential multiferroic material. A double perovskite phase obtained at 12 GPa and 1473 K crystallizes in the nonpolar P2(1)/n monoclinic space group with cell parameters a = 5.2909 (3)angstrom, b = 5.4698 (3)angstrom, c = 7.7349 (5) angstrom and beta = 90.165 (6)degrees. Magnetization and neutron diffraction experiments reveal antiferromagnetic order below T-N = 22.3 K with the spins lying in the ac plane. | |
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Internacional
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JCR del ISI
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Si |
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Título de la revista
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Dalton Transactions |
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ISSN
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1477-9226 |
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Factor de impacto JCR
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4,097 |
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Información de impacto
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Datos JCR del año 2013 |
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Volumen
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44 |
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DOI
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10.1039/c5dt03445k |
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Número de revista
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47 |
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Desde la página
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20441 |
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Hasta la página
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20448 |
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