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Descripción
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| An unusual 4f-superantiferromagnetic state characterized by simultaneous antiferromagnetic and spin-glass behaviors induced by particle-size reduction is revealed in metallic nanoparticles (?9 nm) of TbCu2. The Néel temperature is 46 K and the glassy freezing is below ?9 K and governed by a critical slowing down process. Neutron diffraction at 1.8 K establishes the superantiferromagnetism. The latter is settled by the nanoparticle moments and the freezing mechanism is provided by the surface spins. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Physical Review B |
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ISSN
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1098-0121 |
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Factor de impacto JCR
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3,767 |
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Información de impacto
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Volumen
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87 |
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DOI
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http://dx.doi.org/10.1103/PhysRevB.87.180407 |
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Número de revista
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87 |
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Desde la página
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18407-1 |
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Hasta la página
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18407-5 |
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Mes
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MAYO |
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Ranking
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