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Shell pressure on the core of MnO/Mn3O4 core/shell nanoparticles

AuthorsSilva, Nuno Joâo O.; Karmaoui, M.; Amaral, Vitor S.; Puente-Orench, Inés; Campo, Javier ; Silva, Iván da ; Ibarra, Alfonso; Bustamante, R.; Millán, Ángel ; Palacio, Fernando
Issue Date2013
PublisherAmerican Physical Society
CitationPhysical Review B 87: 224429 (2013)
AbstractHere we show that spontaneous oxidation of MnO nanoparticles into MnO/Mn3O4 core/shell nanoparticles has the effect of a local pressure, decreasing the MnO cell parameter and increasing strain, resulting in the increase of the MnO antiferromagnetic/paramagnetic transition temperature TN. These effects are more severe in smaller nanoparticles. © 2013 American Physical Society.
DescriptionUnder the terms of the Creative Commons Attribution License 3.0 (CC-BY).
Identifiersdoi: 10.1103/PhysRevB.87.224429
issn: 1098-0121
e-issn: 1550-235X
Appears in Collections:(ICMA) Artículos
(ICMM) Artículos
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