Concentric MnFe2O4-rich core/Cr2O3-rich shell nanoparticles

Concentric MnFe2O4-rich core/Cr2O3-rich shell nanoparticles were obtained considering a postsynthetic modification of preformed MnFe2O4@Cr(OH)3 units. The complex nanomaterials display an exchange bias (EB) effect likely due to the interface intermixing and possible cluster spin-glass phase and the...

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Bibliographic Details
Main Authors: Liébana-Viñas, S, Otero-Lorenzo, R, Rivas-Murias, B, Salgueiriño, V
Format: Conference Proceeding
Language:English
Subjects:
Antiferromagnetism
Chromic hydroxide
Chromium oxides
Ferroelectricity
Heterostructures
Magnetic properties
Nanomaterials
Nanoparticles
Physics
Spin glasses
Transition metal oxides
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Summary:Concentric MnFe2O4-rich core/Cr2O3-rich shell nanoparticles were obtained considering a postsynthetic modification of preformed MnFe2O4@Cr(OH)3 units. The complex nanomaterials display an exchange bias (EB) effect likely due to the interface intermixing and possible cluster spin-glass phase and the presence in the same units of ferrimagnetic and antiferromagnetic-ferroelectric oxides. This particular case of transition metal oxides (TMO) heterostructures underlines the potential of chemical control in their final magnetic properties.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/521/1/012002