Anomalous properties of magnetic nanoparticles

Anomalous properties of magnetic nanoparticles

Nanoparticles of ferrimagnetic NiFe 2O 4 and antiferromagnetic NiO exhibit a variety of anomalous magnetic properties. The lower coordination of surface spins is responsible in both cases for the observed behavior. This conclusion is supported by calculations of field-dependent spin distributions in...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials Vol. 196; pp. 591 - 594
Main Authors: Berkowitz, A.E., Kodama, R.H., Makhlouf, Salah A., Parker, F.T., Spada, F.E., McNiff, E.J., Foner, S.
Format: Journal Article
Language:English
Published: Elsevier B.V 01-05-1999
Subjects:
Antiferromagnetic nanoparticles
Ferrimagnetic nanoparticles
Spin distributions
Ferrimagnetic nanoparticles
Spin distributions
Antiferromagnetic nanoparticles
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Summary:Nanoparticles of ferrimagnetic NiFe 2O 4 and antiferromagnetic NiO exhibit a variety of anomalous magnetic properties. The lower coordination of surface spins is responsible in both cases for the observed behavior. This conclusion is supported by calculations of field-dependent spin distributions in these nanoparticles.
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ISSN:0304-8853
DOI:10.1016/S0304-8853(98)00845-2