Krycka, K.
, Borchers, J.
, , R.
, Ijiri, Y.
, Hasz, K.
, , J.
and , S.
(2014),
Origin of Surface Canting Within Fe<sub>3</sub>O<sub>4</sub> Nanoparticles, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=915411
(Accessed October 20, 2025)
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Origin of Surface Canting Within Fe3O4 Nanoparticles
Published
Author(s)
, , R. A. Booth, Y. Ijiri, K. Hasz, J. J. Rhyne, S. A. Majetich
Abstract
The nature of near-surface spin canting within Fe3O4 nanoparticles is highly debated. Here we develop a neutron scattering asymmetry analysis which quantifies the spin canting angle to between 23° and 42° at 1.2 T. Simultaneously, an energy-balance model is presented which reproduces the experimentally observed evolution of shell thickness and canting angle between 10 K and 300 K. The model is based on the concept of preferential Td site reorientation, and it indicates that spin canting is driven primarily by competition between Zeeman and exchange interactions.Citation
Physical Review Letters
Volume
113
Issue
14
Pub Type
Journals
Download Paper
Keywords
surface spin canting nanoparticle SANS magnetite
Citation
Issues
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Created October 2, 2014, Updated February 19, 2017