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Size-driven magnetic transitions in monodisperse MnO nanocrystals
We report the observation of weak ferromagnetism up to T(C)≈250 K and a spin-glass-like behavior at temperatures below T(SG)≈30 K in nanoscale MnO particles. T(SG) is considerably lower and T(C) is much higher than the Néel temperature (T(N)=122 K) of bulk MnO. While the dominant low temperature beh...
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| Autors principals: | , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
American Institute of Physics
2010
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2869366/ https://ncbi.nlm.nih.gov/pubmed/20473369 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1063/1.3366611 |
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